Dr. Nicholas Callahan, DO
What this data tells you about Dr. Callahan
Dr. Nicholas Callahan is an orthopedic surgery specialist in Mayfield Heights, OH, with 12 years of NPI registration. Based on federal Medicare data, Dr. Callahan performed 2,603 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Dr. Callahan received a total of $17,908 from 17 pharmaceutical and/or device companies across 137 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. Callahan 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 |
|---|---|---|---|
| Steroid injection (triamcinolone) A 10 mg injection of triamcinolone acetonide, a corticosteroid medication. This code specifies the drug and dosage administered. |
1,164 | $1 | $10 |
| 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. |
390 | $67 | $160 |
| Physical therapy exercise, per 15 min A therapy session using exercises to improve strength, endurance, range of motion, and flexibility. Each 15-minute unit is billed separately. |
273 | $22 | $75 |
| Ultrasound-guided large joint aspiration or injection This procedure uses ultrasound imaging to guide the removal of fluid from or the injection of medication into a large joint. |
126 | $76 | $251 |
| Joint injection, major joint Removal of fluid from a large joint and/or injection of medication into the joint space. |
104 | $52 | $257 |
| 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. |
100 | $79 | $205 |
| Remote patient monitoring management, 20 min/month Management based on results from remote vital sign monitoring for the first 20 minutes per calendar month. |
94 | $37 | $130 |
| Remote vital sign monitoring management, each additional 20 minutes This code covers the time spent by a provider managing patient data from remote vital sign monitoring devices. It applies to each additional 20-minute increment beyond the initial monthly service period. |
85 | $31 | $100 |
| Remote patient monitoring device, 30 days Initial setup of devices for remote monitoring of body functions with daily data transmission or alerts. This service covers the first 30 days of the monitoring period. |
44 | $37 | $150 |
| Tendon or ligament injection A procedure involving the injection of medication into a tendon or ligament. |
43 | $26 | $239 |
| Total shoulder joint prosthetic repair Surgical replacement of the shoulder joint with a prosthetic device. This procedure involves removing damaged joint components and inserting artificial parts to restore function. |
36 | $1,140 | $3,690 |
| Total knee replacement | 26 | $1,001 | $4,000 |
| Evaluation for physical therapy, typically 20 minutes | 26 | $78 | $250 |
| Anchoring of biceps tendon | 23 | $294 | $1,875 |
| Remote physiologic monitoring setup and education Initial setup of remote monitoring equipment and patient education on its use. |
22 | $14 | $50 |
| Total hip replacement Surgical procedure to replace the thigh bone and hip joint with artificial components. |
19 | $1,014 | $3,615 |
| Re-evaluation for physical therapy, typically 20 minutes | 14 | $54 | $170 |
| 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. |
14 | $92 | $240 |
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
0.0 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. Callahan is a clinical cardiology specialist, with above-average Medicare volume (top 17% in OH).
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
Is Dr. Callahan experienced with steroid injection (triamcinolone)?
Does Dr. Callahan receive payments from pharmaceutical companies?
How do Dr. Callahan's costs compare to other orthopedic surgeons in Mayfield Heights?
What does Data Coverage mean?
Is this data up to date?
Explore related providers
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.
Provider corrections: Provider portal · Privacy questions: Privacy Policy · Terms: Terms of Use · Methodology: Methodology