John Cmar, MD
NPI 1669583837 · Infectious Disease Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Cmar, MD is a Infectious Disease Physician provider in Baltimore, MD (NPI 1669583837).
Provider details
- NPI number
- 1669583837
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D0066118 (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
- 2006-08-31
- Last updated
- 2017-04-07
Frequently asked questions
- What is John Cmar's NPI number?
- John Cmar's National Provider Identifier (NPI) is 1669583837, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Cmar's specialty?
- John Cmar is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Cmar located?
- John Cmar's practice location on file with NPPES is 2435 W Belvedere Ave, Baltimore, MD 21215-5224.
- What is John Cmar's phone number?
- The practice phone number listed in the NPPES registry for John Cmar is (410) 601-6207.
- Does John Cmar accept Medicare?
- John Cmar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Cmar's NPI active?
- Yes — John Cmar's NPI (1669583837) is active in the NPPES registry as of the last update on 2017-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.