Michael McMahon, P.A.
Medical Physician Assistant · Wallingford, CT
Michael McMahon, P.A. is a medical physician assistant with a practice address in Wallingford, Connecticut, and NPI 1629072442, issued on Jun 9, 2005. Check the license (Connecticut 000844, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael McMahon
- Credential
- P.A.
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 000844 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1062 Barnes RD, Wallingford, CT 06492
- Phone
- (203) 265-9831
- Enumerated
- Jun 9, 2005
- Record last updated
- Apr 28, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (203) 265-2977
- Medicare enrollment
- Enrolled (PECOS I20080107000432); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 1,138 in Connecticut → Look up another NPI →
Also registered at 1062 Barnes RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lilia Bunick, LPC, NCCProfessional Counselor1336520949
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- William Farrell, M.D.Cardiovascular Disease Physician1417951203
- Robert Golub, M.D.Cardiovascular Disease Physician1851395651
- Marc Hillbrand, PH.D.Clinical Psychologist1861567273
Verify Michael McMahon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 000844Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average medical physician assistant in 2024
2,947 Medicare Part D claims for 511 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Metoprolol Succinate373 claims
- Rosuvastatin Calcium289 claims
- Atorvastatin Calcium206 claims
- Amlodipine Besylate205 claims
- Eliquis187 claims
- Losartan Potassium130 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: $1,902.77
59 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 16,165 providers of this specialty with any payment received $1,055.00 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
- Hartford Healthcare Medical Group Specialists PLLCStorrs, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael McMahon among 1,138 medical physician assistant records in Connecticut
Michael McMahon, P.A. is one of 1,138 medical physician assistant records with a practice address in Connecticut. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 96% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1998 · median 2015 among the 732 with a school on file
- Record last updated2008 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in Connecticut
There are 1,138 medical physician assistant records in Connecticut.
All 1,138 in Connecticut → Every provider in Wallingford → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Tara Carlesco, PA-CWallingford, CT 064921679059505
- Anton Cherry, DC, PA-CWallingford, CT 064921730418757
- Gina Kelley, PA-CWallingford, CT 064921043078041
- Marc Landau, PAWallingford, CT 064921679524052
- Elaine Larson, PAWallingford, CT 064921538103338
- Mark Powers, PAWallingford, CT 064921750332144
- Vickie Gerdon, PA-CSouthington, CT 064891134194798
- Alyssa Greenleaf, PA-CSouthington, CT 064891861896524
Common questions
What is Michael McMahon, P.A.'s NPI number?
Michael McMahon, P.A.'s National Provider Identifier (NPI) is 1629072442, issued on Jun 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Michael McMahon, P.A. located?
The NPPES record lists a practice address at 1062 Barnes RD, Wallingford, CT, 06492. Phone: (203) 265-9831. Providers update this record themselves, so call before visiting.
How can I verify Michael McMahon, P.A.'s license?
NPPES lists Connecticut license number 000844, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Michael McMahon, P.A. prescribe under Medicare Part D?
In 2024, Michael McMahon, P.A. had 2,947 Medicare Part D claims for 511 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
What is Michael McMahon, P.A.'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.