Doctor profile · Federal record
Dr. John McCahan, M.D.
Pediatrics Physician (CMS: Infectious Disease) · Internal Medicine Physician · Westborough, MA
- NPI 1225012354
- Accepts Medicare
- 33 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
33 E Main St
Westborough, MA 015811410
(508) 836-4884
fax (508) 836-3351 - Mailing address
-
Po Box 415348
Boston, MA 022415348
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- March 12, 2025
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 208000000X — NUCC code
- State license (1)
- Massachusetts #151640
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1225012354. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
306
Distinct HCPCS
6
Medicare allowed
$26,086
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 88 | 68 | $82 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 69 | 56 | $72 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 64 | 64 | $53 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 35 | 25 | $107 | |
G0009 |
Administration of pneumococcal vaccine | 29 | 29 | $31 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 21 | 21 | $280 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 51. This provider delivers 6.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
911
Patients
221
Total drug cost
$83,078
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 282 | 81 | $7,876 |
| Lisinopril | Generic | 105 | 31 | $1,177 |
| Amlodipine Besylate | Generic | 96 | 29 | $801 |
| Levothyroxine Sodium | Generic | 76 | 23 | $1,189 |
| Hydrochlorothiazide | Generic | 49 | 18 | $384 |
| Omeprazole | Generic | 42 | 15 | $780 |
| Rosuvastatin Calcium | Generic | 38 | 13 | $1,944 |
| Jardiance (Empagliflozin) | Brand | 35 | 0 | $62,138 |
| Metoprolol Succinate | Generic | 33 | 0 | $682 |
| Losartan Potassium | Generic | 29 | 11 | $674 |
Hospital affiliations
Frequently asked questions
What is Dr. John McCahan's medical specialty?
Dr. John McCahan practices Pediatrics Physician in Westborough, MA.
Where does Dr. John McCahan practice?
Dr. John McCahan practices at 33 E Main St, Westborough, MA 015811410. Office phone: 5088364884.
What is Dr. John McCahan's NPI?
Dr. John McCahan's National Provider Identifier (NPI) is 1225012354, issued by NPPES.
Does Dr. John McCahan accept Medicare assignment?
Yes. Dr. John McCahan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John McCahan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.