Christopher Ritter, MD
NPI 1104921477 · Family Medicine Physician · Old Town, ME
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Ritter, MD is a Family Medicine Physician provider in Old Town, ME (NPI 1104921477).
Provider details
- NPI number
- 1104921477
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 009635 (ME)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Rosuvastatin Calcium | 20 |
| Omeprazole | 17 |
| Atorvastatin Calcium | 15 |
| Duloxetine Hcl | 15 |
| Trazodone Hcl | 14 |
| Levetiracetam | 13 |
| Meloxicam | 13 |
| Topiramate | 13 |
| Bupropion Hclbrand: Bupropion Xl | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-13
- Last updated
- 2011-11-08
Frequently asked questions
- What is Christopher Ritter's NPI number?
- Christopher Ritter's National Provider Identifier (NPI) is 1104921477, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Ritter's specialty?
- Christopher Ritter is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Ritter located?
- Christopher Ritter's practice location on file with NPPES is 242 Brunswick St, Old Town, ME 04468.
- What is Christopher Ritter's phone number?
- The practice phone number listed in the NPPES registry for Christopher Ritter is (207) 827-6128.
- Does Christopher Ritter accept Medicare?
- Christopher Ritter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Ritter's NPI active?
- Yes — Christopher Ritter's NPI (1104921477) is active in the NPPES registry as of the last update on 2011-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.