John J. Callahan, MD
Orthopaedic Hand Surgery Physician · Amherst, NY
John J. Callahan, MD is an orthopaedic hand surgery physician with a practice address in Amherst, New York, and NPI 1952338048, issued on Jun 26, 2006. Check the license (New York 192324, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- John J. Callahan
- Credential
- MD
- Primary taxonomy
- Orthopaedic Hand Surgery Physician 207XS0106X
- License number
- 192324 NY
Self-reported in NPPES; status is on the state search - Practice location
- 3925 Sheridan Drive, Amherst, NY 14226
- Phone
- (716) 250-9999
- Enumerated
- Jun 26, 2006
- Record last updated
- Dec 31, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (716) 250-4177
- Medicare enrollment
- Enrolled (PECOS I20050720000155); accepts Medicare assignment
- Medical or professional school
- State University Of Ny Upstate Medical University, 1987
- Entity
- Type 1 · individual
8 nearest orthopaedic hand surgery physician records → All 199 in New York → Look up another NPI →
Also registered at 3925 Sheridan Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karen Baetzhold, R.P.A.Physician Assistant1235198219
- Timothy Collard, MDSpecialist1164481784
- Lisa Daye, MDOrthopaedic Surgery Physician1083673693
- Josette Fisher, PTOrthopedic Physical Therapist1275592826
- John Hurley, DPMPodiatrist1164481446
- John Meyer, PTOrthopedic Physical Therapist1558369199
Verify John J. Callahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 192324Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average orthopaedic hand surgery physician in 2024
166 Medicare Part D claims for 113 beneficiaries, against an average of 186 among the 2,203 providers of this specialty who prescribed in Part D. 90 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen75 claims
- Cephalexin22 claims
- Methylprednisolone15 claims
- Sulfamethoxazole-Trimethoprim11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $189.66
3 payments; by number, the most common kind was food and beverage; the largest payer was Sonex Health, Inc. The 1,819 providers of this specialty with any payment received $5,529.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Excelsior Orthopaedics LLPNiagara Falls, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John J. Callahan among 199 orthopaedic hand surgery physician records in New York
John J. Callahan, MD is one of 199 orthopaedic hand surgery physician records with a practice address in New York. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 56% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated1987 · median 2004 among the 162 with a school on file
- Record last updated2009 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0106X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Hand Surgery Physician providers in New York
There are 199 orthopaedic hand surgery physician records in New York.
All 199 in New York → Every provider in Amherst → Orthopaedic Hand Surgery Physician nationwide →
The 8 orthopaedic hand surgery physician records with the nearest ZIP codes
- Joshua Jones, MDAmherst, NY 142261417119355
- James Kelly, D.O.Amherst, NY 142261871593053
- Timothy McGrath, M.D.Amherst, NY 142261659371862
- Owen Moy, M.D.Amherst, NY 142261457358780
- Dale Wheeler, M.D.Amherst, NY 142261366448367
- Matthew AlbaneseCheektowaga, NY 142251376930776
- Robert Brown, M.D.Williamsville, NY 142211154321396
- Kevin Krul, M.D.Williamsville, NY 142211689936775
Common questions
What is John J. Callahan, MD's NPI number?
John J. Callahan, MD's National Provider Identifier (NPI) is 1952338048, issued on Jun 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John J. Callahan, MD located?
The NPPES record lists a practice address at 3925 Sheridan Drive, Amherst, NY, 14226. Phone: (716) 250-9999. Providers update this record themselves, so call before visiting.
How can I verify John J. Callahan, MD's license?
NPPES lists New York license number 192324, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John J. Callahan, MD prescribe under Medicare Part D?
In 2024, John J. Callahan, MD had 166 Medicare Part D claims for 113 beneficiaries; the average among orthopaedic hand surgery physician prescribers was 186. Part D covers Medicare prescriptions only.
What is John J. Callahan, MD's MIPS final score?
The 2023 MIPS final score is 84.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.