Richard Mcmahon, MD
NPI 1114949823 · Internal Medicine Physician · Hudson, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Mcmahon, MD is a Internal Medicine Physician provider in Hudson, MA (NPI 1114949823).
Provider details
- NPI number
- 1114949823
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 51250 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,515 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 466 | $138 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 396 | $9 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 250 | $17 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 123 | $141 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 95 | $21 |
| Administration of Influenza Virus Vaccine |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 72 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 343 | 109 |
| Lisinopril | 317 | 97 |
| Amlodipine Besylate | 139 | 47 |
| Simvastatin | 124 | 35 |
| Metoprolol Succinate | 120 | 39 |
| Hydrochlorothiazide | 116 | 41 |
| Trazodone Hcl | 100 | 25 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-24
- Last updated
- 2024-01-17
- Certified
- 2024-01-15
Frequently asked questions
- What is Richard Mcmahon's NPI number?
- Richard Mcmahon's National Provider Identifier (NPI) is 1114949823, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Mcmahon's specialty?
- Richard Mcmahon is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Mcmahon located?
- Richard Mcmahon's practice location on file with NPPES is 101 Coolidge St, Hudson, MA 01749-1354.
- What is Richard Mcmahon's phone number?
- The practice phone number listed in the NPPES registry for Richard Mcmahon is (978) 562-0757.
- Does Richard Mcmahon accept Medicare?
- Richard Mcmahon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Mcmahon's NPI active?
- Yes — Richard Mcmahon's NPI (1114949823) is active in the NPPES registry as of the last update on 2024-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.