Michael Mahon, M.D.
NPI 1447784723 · Hospitalist Physician · Towson, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Mahon, M.D. is a Hospitalist Physician provider in Towson, MD (NPI 1447784723).
Provider details
- NPI number
- 1447784723
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- D89542 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,517 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 500 | $80 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 380 | $120 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 310 | $116 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 275 | $175 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 52 | $99 |
Typical Medicare-allowed amounts for these services range $80–$175 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 71 | 45 |
| Pantoprazole Sodium | 53 | 38 |
| Furosemide | 50 | 38 |
| Metoprolol Succinate | 43 | 30 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 38 | 26 |
| Apixabanbrand: Eliquis | 33 | 24 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-04-13
- Last updated
- 2021-04-05
- Certified
- 2021-04-05
Frequently asked questions
- What is Michael Mahon's NPI number?
- Michael Mahon's National Provider Identifier (NPI) is 1447784723, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Mahon's specialty?
- Michael Mahon is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Mahon located?
- Michael Mahon's practice location on file with NPPES is 7505 Osler Dr Ste 402, Towson, MD 21204-7739.
- What is Michael Mahon's phone number?
- The practice phone number listed in the NPPES registry for Michael Mahon is (410) 427-5352.
- Does Michael Mahon accept Medicare?
- Michael Mahon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Mahon's NPI active?
- Yes — Michael Mahon's NPI (1447784723) is active in the NPPES registry as of the last update on 2021-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.