Physician Profile
John W Diefenderfer, D.O.
Unclaimed ProfileAbout Dr. Diefenderfer
Based in Waterville, ME, John W Diefenderfer, D.O. is listed in the NPI registry under osteopathic manipulative medicine. John is also listed as specializing in family medicine. Medicare claims data shows John provided 56 services to 47 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (207) 861-5101
- Email not available
Practice Locations
149 NORTH ST
Waterville, ME 04901
Procedures Most Often Billed to Medicare
56 services · 47 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Osteopathic manipulative treatment, 3-4 body regions | Treatment | 98926 |
12 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
24 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
20 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other osteopathic manipulative medicines at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other osteopathic manipulative medicines in Waterville 2
Same specialty, same city.
More connections — 22 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2011 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Osteopathic manipulative treatment, 3-4 body regions 6
Providers in ME who bill this service to Medicare most often.
Common questions
What does Dr. Diefenderfer specialize in?
Dr. Diefenderfer is an osteopathic manipulative medicine in Waterville, ME. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OSTEOPATHIC MANIPULATIVE MEDICINE”.
NPI registry
Where is Dr. Diefenderfer located?
Dr. Diefenderfer is listed at 149 NORTH ST, Waterville, ME 04901. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Diefenderfer's phone number?
The number on file is (207) 861-5101. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Diefenderfer?
Dr. Diefenderfer's National Provider Identifier is 1407236185. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Diefenderfer go to medical school?
Dr. Diefenderfer attended Other, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Diefenderfer have?
Dr. Diefenderfer has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Diefenderfer do most often?
According to Medicare billing data, Dr. Diefenderfer provides treatments such as osteopathic manipulative treatment, 3-4 body regions, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Diefenderfer's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Diefenderfer. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.