Dr. Gregory Hazen, MD
What this data tells you about Dr. Hazen
Dr. Gregory Hazen is an ophthalmology specialist in Saginaw, MI, with 21 years of NPI registration. Based on federal Medicare data, Dr. Hazen performed 1,729 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Dr. Hazen received a total of $62,668 from 10 pharmaceutical and/or device companies across 52 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. Hazen 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.
Medicare Practice Summary — 2023
Medicare Utilization ↗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 |
|---|---|---|---|
| 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. |
593 | $206 | $1,392 |
| Corneal topography and eye depth measurement This procedure measures the curvature and depth of the cornea, the clear front surface of the eye. |
371 | $27 | $165 |
| 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. |
265 | $99 | $205 |
| 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. |
115 | $75 | $140 |
| Laser removal of recurring cataract A laser procedure to remove a recurring cataract within the lens capsule. |
99 | $305 | $808 |
| 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. |
88 | $63 | $95 |
| Visual field test, limited A test that measures your side (peripheral) vision. This limited version assesses a restricted portion of your visual field. |
37 | $20 | $75 |
| Comprehensive eye exam, established patient A comprehensive examination of the visual system performed for a patient who has previously been seen by the provider. |
23 | $63 | $165 |
| Eye photography Photographic imaging of the interior structures of the eye. |
21 | $15 | $50 |
| Office visit, established patient (10-19 min) An office visit for an existing patient lasting 10 to 19 minutes. The visit involves medical evaluation and management of the patient's condition. |
18 | $40 | $60 |
| Removal of excessive skin and fat of upper eyelid | 17 | $630 | $2,280 |
| New patient office visit (30-44 min) An initial office visit for a new patient lasting between 30 and 44 minutes. This code is used when the total time spent on the date of the encounter falls within this range. |
16 | $60 | $145 |
| Comprehensive eye exam, new patient A comprehensive examination of the visual system performed for a new patient. |
15 | $90 | $195 |
| Upper eyelid tendon repair Surgical repair of the tendon in the upper eyelid to restore its function and structure. |
14 | $661 | $3,182 |
| New patient office visit, 15-29 minutes An initial office visit for a new patient lasting 15 to 29 minutes. This code is used when the total time spent on the date of the encounter meets this duration threshold. |
14 | $48 | $100 |
| Extensive repair of turning-outward eyelid defect A surgical procedure to correct an eyelid that turns outward. The repair addresses defects in the eyelid structure to restore normal function and appearance. |
12 | $396 | $1,667 |
| Optic nerve imaging (OCT scan) Imaging of the optic nerve. |
11 | $16 | $85 |
Industry Payment Transparency
Open Payments through 2024 ↗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.
Payments by company (2024)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
Geographic Context
4.1 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. Hazen is a cardiac surgery specialist, with moderate Medicare volume, 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. Hazen experienced with cataract surgery with lens implant?
Does Dr. Hazen receive payments from pharmaceutical companies?
How do Dr. Hazen's costs compare to other ophthalmologists in Saginaw?
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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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