NPPES file of Aug 9, 2026

Alexander M. Clark, M.D.

Orthopaedic Surgery Physician · Potsdam, NY

Alexander M. Clark, M.D. is an orthopaedic surgery physician with a practice address in Potsdam, New York, and NPI 1164434734, issued on Aug 12, 2006. Check the license (New York 223227, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164434734
Name
Alexander M. Clark
Credential
M.D.
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License numbers
223227 NY
35934 AZ
Self-reported in NPPES; status is on the state search
Practice location
49 Lawrence Ave, Potsdam, NY 13676
Phone
(315) 265-0394
Enumerated
Aug 12, 2006
Record last updated
Dec 14, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(315) 265-0396
Medicaid ID
124517 AZ
Medicare enrollment
Enrolled (PECOS I20090528000638); accepts Medicare assignment
Medical or professional school
Columbia University College Of Physicians And Surgeons, 2000
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 49 Lawrence Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. David Abbatematteo, MDPain Medicine (Anesthesiology) Physician1003194812
  2. Mazin Abdullah, M.DObstetrics & Gynecology Physician1831241629
  3. Bradley Ashcroft, MDOphthalmology Physician1184205486
  4. Bernadette AvilaPhysician Assistant1023624608
  5. Ricardo Baez, P.A.Medical Physician Assistant1255765681
  6. Vineet BansalFamily Medicine Physician1104068667

Verify Alexander M. Clark in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 223227
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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88% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

40 Medicare Part D claims for 28 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Alexander Clark40
  2. Specialty average346

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 MIPS final score for 2023 (Medicare payment program): 94.2 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score78.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Nuvance Health Medical Practice PCPoughkeepsie, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Alexander M. Clark among 1,339 orthopaedic surgery physician records in New York

Alexander M. Clark, M.D. is one of 1,339 orthopaedic surgery physician records with a practice address in New York. 76% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 44% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2000 · median 2002 among the 819 with a school on file
  • Record last updated2012 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X 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 Surgery Physician providers in New York

There are 1,339 orthopaedic surgery physician records in New York.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. George Mina, MDPotsdam, NY 136761578658142
  2. Thomas Herzog, MDOgdensburg, NY 136691760435952
  3. Steven Mussett, MDOgdensburg, NY 136691376081240
  4. Bedros Bakirtzian, M.D.Massena, NY 136621124026372
  5. Nata Parnes, M.D.Carthage, NY 136191366638728
  6. Jeffrey Haasbeek, MDCanton, NY 136171932121423
  7. Thomas Kneifel, MD PLLCCanton, NY 136171861598963
  8. Dragos Macelaru, MDCanton, NY 136171316920960

Common questions

What is Alexander M. Clark, M.D.'s NPI number?

Alexander M. Clark, M.D.'s National Provider Identifier (NPI) is 1164434734, issued on Aug 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Alexander M. Clark, M.D. located?

The NPPES record lists a practice address at 49 Lawrence Ave, Potsdam, NY, 13676. Phone: (315) 265-0394. Providers update this record themselves, so call before visiting.

How can I verify Alexander M. Clark, M.D.'s license?

NPPES lists New York license number 223227, 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 Alexander M. Clark, M.D. prescribe under Medicare Part D?

In 2024, Alexander M. Clark, M.D. had 40 Medicare Part D claims for 28 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.

What is Alexander M. Clark, M.D.'s MIPS final score?

The 2023 MIPS final score is 94.2 of 100. 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.