John Classen, MD
NPI 1215037676 · General Practice Physician · Edgewater, MD
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Classen, MD is a General Practice Physician provider in Edgewater, MD (NPI 1215037676).
Provider details
- NPI number
- 1215037676
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0052684 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-25
- Last updated
- 2021-06-11
- Certified
- 2021-06-08
Frequently asked questions
- What is John Classen's NPI number?
- John Classen's National Provider Identifier (NPI) is 1215037676, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Classen's specialty?
- John Classen is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is John Classen located?
- John Classen's practice location on file with NPPES is 3059 Solomons Island Rd, Edgewater, MD 21037-1433.
- What is John Classen's phone number?
- The practice phone number listed in the NPPES registry for John Classen is (410) 956-3394.
- Does John Classen accept Medicare?
- John Classen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Classen's NPI active?
- Yes — John Classen's NPI (1215037676) is active in the NPPES registry as of the last update on 2021-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.