Medicare Enrolled
Dr. Ravinderan Krishnan, M.D.
Ophthalmology · Corpus Christi, TX
Practice pattern: Clinical Cardiology
— Primarily office-based clinical cardiology
Very High
DATA COVERAGE
Data in 4 of 4 federal sources
Measures public federal data availability — not provider quality
Informational, not a quality rating.
This page presents federal public records about Dr. Krishnan from CMS (NPPES, Open Payments, Medicare Provider Utilization, PECOS). It is not medical advice, an endorsement, or a judgment of clinical quality. Always consult the provider directly and a licensed clinician for medical decisions. Read methodology →
Are you Dr. Krishnan?
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What this data tells you about Dr. Krishnan
Dr. Ravinderan Krishnan is an ophthalmology specialist in Corpus Christi, TX, with 21 years of NPI registration. Based on federal Medicare data, Dr. Krishnan performed 5,974 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Dr. Krishnan received a total of $7,559 from 27 pharmaceutical and/or device companies across 140 payment records. A record can group multiple payments. These transfers are publicly reported through CMS Open Payments. Disclosure alone does not establish their effect on care. A reliable breakdown by payment category is not available in this snapshot. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Krishnan is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
✓ 21 years of NPI registration
▲ Top 15% volume in TX
$7,559 industry payments
Medicare Practice Summary — 2023
Medicare Utilization ↗5,974
Medicare services
Top 15% in TX for ophthalmology
Not available
Unique patients (not deduplicated)
$83
Avg. Medicare payment
Medicare patients only (65+ / disabled) · How to read this →
Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
875 | $83 | $175 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
704 | $59 | $120 |
| Optic nerve imaging (OCT scan) Imaging of the optic nerve. |
687 | $18 | $105 |
| Visual field test, extended A test that maps your complete field of vision to detect blind spots or peripheral vision loss. Extended testing provides a more detailed assessment than a standard visual field exam. |
589 | $28 | $150 |
| Eye drainage system examination An examination of the internal drainage system of the eye to assess how fluid flows and drains from the eye. |
426 | $19 | $75 |
| Retinal photography (fundus photo) This procedure involves taking photographs of the retina, the light-sensitive tissue at the back of the eye. It is used to document the condition of the eye's interior structures. |
421 | $25 | $122 |
| Cataract surgery with lens implant Surgical removal of the clouded natural lens of the eye and replacement with an artificial prosthetic lens to restore vision. |
419 | $312 | $1,217 |
| Corneal topography and eye depth measurement This procedure measures the curvature and depth of the cornea, the clear front surface of the eye. |
415 | $28 | $129 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
316 | $100 | $260 |
| Ultrasound scan of cornea to determine thickness An ultrasound procedure used to measure the thickness of the cornea. |
188 | $5 | $40 |
| Laser repair to improve eye fluid flow A laser procedure used to enhance the drainage of fluid within the eye. |
166 | $173 | $600 |
| Retinal imaging (OCT scan) This procedure involves imaging the retina to visualize its structure. It is used to examine the back of the eye. |
162 | $28 | $105 |
| Laser removal of recurring cataract A laser procedure to remove a recurring cataract within the lens capsule. |
133 | $233 | $605 |
| CT scan of cornea A computed tomography scan used to create detailed images of the cornea, the clear front part of the eye. |
123 | $23 | $125 |
| Multiple eye pressure measurements over time This procedure involves taking several measurements of the fluid pressure inside the eye across an extended period. It is used to monitor intraocular pressure levels. |
115 | $61 | $150 |
| Laser eye fluid drainage tract creation A laser procedure used to create drainage tracts in the iris to help fluid flow out of the eye. |
71 | $211 | $600 |
| Insertion of drug delivery implant into tear duct A small implant containing medication is placed into the tear duct of the eye to deliver drugs directly to the eye over time. |
43 | $12 | $130 |
| Dilation of eye fluid drainage A procedure to widen the drainage pathways in the eye to help fluid flow out more easily. |
32 | $303 | $2,500 |
| Complex cataract removal with lens implant A surgical procedure to remove a cataract from the eye and insert an artificial lens to restore vision. |
21 | $432 | $1,664 |
| Cataract removal with artificial lens and drainage device insertion Surgical removal of the eye's natural lens followed by the insertion of an artificial lens and a drainage device into the front chamber of the eye. |
21 | $515 | $2,000 |
| Amniotic membrane placement on eye surface This procedure involves placing amniotic membrane on the surface of the eye to promote wound healing. |
18 | $989 | $2,500 |
| Eye fluid drainage device insertion A surgical procedure to insert a device into the eye to help drain excess fluid and reduce pressure. |
15 | $766 | $2,000 |
| Eye shunt creation with tissue graft A surgical procedure to create a drainage pathway for eye fluid using a tissue graft to improve fluid flow. |
14 | $842 | $2,000 |
How to read this data: This reflects Medicare patients only (typically 65+). Payment amounts are what Medicare paid the provider, not your out-of-pocket cost. These counts do not measure clinical quality or years of experience.
7.0% high complexity
19.4% medium
73.6% routine
Industry Payment Transparency
Open Payments through 2024 ↗$7,559
Total received (2018-2024)
Avg $1,080/year across 7 years
Top 16% in TX for ophthalmology
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
27
Companies
140
Payment records
Payments are publicly reported; disclosure does not establish legality · Not evidence of wrongdoing · How to interpret →
Payment categories are unavailable while the source breakdown is being rebuilt. Company and year totals do not identify how much belongs to each category.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
2024
$1,822
2023
$1,063
2022
$1,713
2021
$408
2020
$279
2019
$1,869
2018
$405
Payments by company (2024)
RxSight Inc
$1,258
Alcon Vision LLC
$370
Johnson & Johnson Surgical Vision, Inc.
$71
ABBVIE INC.
$59
Dompe US, Inc.
$33
Boston Scientific Corporation
$32
Top 3 companies account for 93.2% of 2024 payments
All-time payments by company (2018-2024) ›
Alcon Vision LLC
$2,217
Johnson & Johnson Surgical Vision, Inc.
$1,951
RxSight Inc
$1,691
BioTissue Holdings, Inc.
$408
ABBVIE INC.
$228
Ivantis, Inc
$164
Allergan, Inc.
$139
OPTOS, INC.
$99
Carl Zeiss Meditec USA, Inc.
$82
Boston Scientific Corporation
$63
Allergan Inc.
$59
TissueTech, Inc.
$55
Ocular Therapeutix, Inc.
$52
Dompe US, Inc.
$50
Carl Zeiss Meditec AG
$39
Shire North American Group Inc
$35
Sight Sciences, Inc.
$31
Carl Zeiss Meditec, Inc.
$30
Bausch & Lomb, a division of Bausch Health US, LLC
$25
Genentech, Inc.
$24
TISSUETECH, INC.
$20
Bausch & Lomb Americas Inc.
$19
LENSAR, Inc.
$18
Reliance Medical Products, Inc.
$18
Thea Pharma Inc.
$17
Oyster Point Pharma, Inc.
$13
Alcon Laboratories Inc
$12
Top 3 companies account for 77.5% of all-time payments
Associated products mentioned in payments ›
ARGOS · AcrySof · AcrySof IQ PanOptix · AcrySof IQ VIVITY IOL · CIRRUS HD-OCT · Catalys Laser System · Centurion · Clareon · DEXTENZA · DURYSTA · FORUM · HYDRUS Microstent · Hydrus Microstent · IOLMaster 500 · LENSAR LASER SYSTEM · LIGHT ADJUSTABLE LENS (LAL) AND LIGHT DELIVERY DEVICE (LDD) · LOTEMAX GEL · LOTEMAX SM · LUMIGAN · LenSx · None Specified · OMNI · OMNI SURGICAL SYSTEM · OXERVATE · Oxervate · P200DTx · PROKERA · PanOptix · Premium Cataract IOLs · Prokera · RESTASIS · RESTASIS MULTIDOSE · RXSIGHT CONTACT LENS · RXSIGHT INJECTOR HANDPIECE · ReSTOR · Rocklatan · Simbrinza · TYRVAYA · Tecnis Multifocal Family of 1-piece IOLS · Tecnis Simplicity · Tecnis Symfony IOL · VUITY · Vabysmo · WaveWriter Alpha Prime 16 · Whitestart Phacoemulsficiation System · XEN GLAUCOMA TREATMENT SYSTEM · XIIDRA
Should you be concerned? Industry payments are disclosed through CMS Open Payments. Disclosure alone does not establish their purpose, legality, or effect on care. What matters is whether a recommended drug or device appears in your doctor's payment records. If so, consider asking your doctor about it. How to interpret this data →
Geographic Context
Ophthalmologists in nearby ZIP areas
26
County median income
$66,021
Nearest hospital to ZIP centroid (approximate)
CORPUS CHRISTI MEDICAL CENTER,THE
4.9 mi
4.9 mi
Data Sources
| Provider Registry | ✓ NPPES | NPPES snapshot; verify current record |
| Medicare Enrollment | ✓ PECOS | PECOS snapshot |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not included | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Krishnan is a clinical cardiology specialist, with above-average Medicare volume (top 15% in TX), with 21 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
Is Dr. Krishnan experienced with office visit, established patient (30-39 min)?
Based on Medicare claims data, Dr. Krishnan performed 875 office visit, established patient (30-39 min) services. These records cover Medicare fee-for-service activity, including eligible younger beneficiaries; they do not measure total practice volume or clinical quality.
Does Dr. Krishnan receive payments from pharmaceutical companies?
Yes. Dr. Krishnan received a total of $7,559 from 27 companies across 140 payment records. A record can group multiple payments. These transfers are publicly disclosed through CMS Open Payments. Disclosure alone does not establish their legality or effect on care. Patients may wish to ask their doctor about these relationships, especially if a recommended drug or device appears in the payment records.
How do Dr. Krishnan's costs compare to other ophthalmologists in Corpus Christi?
Dr. Krishnan's average Medicare payment per service is $83. Note that these figures represent what Medicare pays, not your out-of-pocket cost, which depends on your specific insurance plan and deductible. Procedure-level data above shows both what was submitted and what Medicare paid for each service type.
What does Data Coverage mean?
Data Coverage (currently Very High for Dr. Krishnan) measures how much public federal data is available about a provider. It is not a quality rating. A "Very High" or "High" level means the provider has data across multiple federal sources (NPPES, PECOS, Medicare Utilization, Open Payments), indicating the presence of registry, enrollment, activity or payment records, not verified experience or clinical quality. A "Low" or "Moderate" level may simply mean the provider is newer, does not see Medicare patients, or has not received any industry payments — none of which are inherently negative. Read our full methodology →
Is this data up to date?
Source publication dates and the snapshots loaded on this site can differ. Rebuilding a page does not refresh its source records. Check the Medicare reporting year and the payment interval shown above; consult the linked official sources for newer releases and current registry details. See our data freshness policy →
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About this page
This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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