Doctor profile · Federal record
Dr. CALVIN JOHN, MD
Family Medicine Physician · LONDON, OH
- NPI 1750332862
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
210 N MAIN ST
LONDON, OH 431401115
(740) 852-1372 - Mailing address
-
4750 HEMPSTEAD STATION DR
KETTERING, OH 454295164
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- January 17, 2013
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Ohio #35081241J
- Medicaid
- OH #2363580
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1750332862. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
94
Distinct HCPCS
2
Medicare allowed
$14,672
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 68 | 67 | $171 | |
99284 |
Emergency department visit with moderate level of medical decision making | 26 | 26 | $118 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 90. This provider delivers 1.0× the peer median.