Jeffrey Mcmahon, P.A.
NPI 1285791293 · Physician Assistant · Grosse Pointe Woods, MI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Mcmahon, P.A. is a Physician Assistant provider in Grosse Pointe Woods, MI (NPI 1285791293).
Provider details
- NPI number
- 1285791293
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Male
- Sole proprietor
- No
- License
- 5601003860 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
92 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 34 | $56 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 25 | $83 |
| Measurement of Liver Stiffness91200 | 18 | $9 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 15 | $115 |
Typical Medicare-allowed amounts for these services range $9–$115 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rifaximinbrand: Xifaxan | 93 | 20 |
| Entecavir | 84 | 20 |
| Ursodiol | 75 | 19 |
| Sofosbuvir/Velpatasvirbrand: Epclusa | 72 | 30 |
| Azathioprine | 68 | 20 |
| Spironolactone | 66 | 20 |
| Furosemide | 60 | 15 |
| Tenofovir Alafenamidebrand: Vemlidy |
Practice location
Mailing address
Additional practice locations (1)
- 2799 W Grand BlvdDetroit, MI 48202-2608Phone: (800) 653-6568
Registry dates
- Enumerated
- 2007-01-02
- Last updated
- 2023-10-03
- Certified
- 2023-10-03
Frequently asked questions
- What is Jeffrey Mcmahon's NPI number?
- Jeffrey Mcmahon's National Provider Identifier (NPI) is 1285791293, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Mcmahon's specialty?
- Jeffrey Mcmahon is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jeffrey Mcmahon located?
- Jeffrey Mcmahon's practice location on file with NPPES is 2021 Allard, Grosse Pointe Woods, MI 48236.
- What is Jeffrey Mcmahon's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Mcmahon is (313) 417-3362.
- Does Jeffrey Mcmahon accept Medicare?
- Jeffrey Mcmahon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Mcmahon's NPI active?
- Yes — Jeffrey Mcmahon's NPI (1285791293) is active in the NPPES registry as of the last update on 2023-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.