John Mccahan, M.D.
NPI 1225012354 · Pediatrics Physician · Westborough, MA
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Mccahan, M.D. is a Pediatrics Physician provider in Westborough, MA (NPI 1225012354).
Provider details
- NPI number
- 1225012354
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 151640 (MA)
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
20 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
350 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 | 80 | $94 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 67 | $56 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 65 | $69 |
| 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 | 38 | $16 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 35 | $104 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 48 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 332 | 87 |
| Amlodipine Besylate | 131 | 39 |
| Lisinopril | 109 | 32 |
| Levothyroxine Sodium | 95 | 26 |
| Rosuvastatin Calcium | 57 | 22 |
| Hydrochlorothiazide | 52 | 17 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-01
- Last updated
- 2025-03-12
- Certified
- 2025-03-12
Frequently asked questions
- What is John Mccahan's NPI number?
- John Mccahan's National Provider Identifier (NPI) is 1225012354, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Mccahan's specialty?
- John Mccahan is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is John Mccahan located?
- John Mccahan's practice location on file with NPPES is 33 E Main St, Westborough, MA 01581-1410.
- What is John Mccahan's phone number?
- The practice phone number listed in the NPPES registry for John Mccahan is (508) 836-4884.
- Does John Mccahan accept Medicare?
- John Mccahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Mccahan's NPI active?
- Yes — John Mccahan's NPI (1225012354) is active in the NPPES registry as of the last update on 2025-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.