Doctor profile · Federal record
Dr. John Diefenderfer, D.O.
Family Medicine Physician (CMS: Osteopathic Manipulative Medicine) · Family Medicine Physician · Waterville, ME
- NPI 1407236185
- Accepts Medicare
- MIPS 74.3 / 100 · 2023
- 15 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
149 North St
Waterville, ME 049014974
(207) 861-5101
fax (207) 872-4341 - Additional location
-
15 E Chestnut St
Augusta, ME 04330
(207) 623-6663
fax (207) 626-1902
Credentials & registration
- NPI registered
- June 2015 — 11 yrs on file
- Profile last updated
- January 20, 2021
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State licenses (2)
- Maine #DO2785 · Florida #UO 4638
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1407236185. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
106
Distinct HCPCS
3
Medicare allowed
$7,004
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 52 | 26 | $63 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 29 | 24 | $92 | |
98927 |
Osteopathic manipulative treatment, 5-6 body regions | 25 | 12 | $43 |
In context: peer comparison
Among 10 peers in Waterville Family Medicine Physician, average services per provider: 79. This provider delivers 1.3× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. John Diefenderfer's medical specialty?
Dr. John Diefenderfer practices Family Medicine Physician in Waterville, ME.
Where does Dr. John Diefenderfer practice?
Dr. John Diefenderfer practices at 149 North St, Waterville, ME 049014974. Office phone: 2078615101.
What is Dr. John Diefenderfer's NPI?
Dr. John Diefenderfer's National Provider Identifier (NPI) is 1407236185, issued by NPPES.
Does Dr. John Diefenderfer accept Medicare assignment?
Yes. Dr. John Diefenderfer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Diefenderfer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Osteopathic manipulative treatment, 5-6 body regions (HCPCS 98927). Source: CMS Medicare Physician & Other Practitioners file.