Mark Callman, MD
NPI 1295774941 · Internal Medicine Physician · Port Charlotte, FL
Mark Callman, MD is a Internal Medicine Physician provider in Port Charlotte, FL (NPI 1295774941).
Provider details
- NPI number
- 1295774941
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- ME38329 (FL)
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
20 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
- 2006-06-06
- Last updated
- 2014-07-09
Frequently asked questions
- What is Mark Callman's NPI number?
- Mark Callman's National Provider Identifier (NPI) is 1295774941, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Callman's specialty?
- Mark Callman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Callman located?
- Mark Callman's practice location on file with NPPES is 2525 Harbor Blvd, Port Charlotte, FL 33952-5317.
- What is Mark Callman's phone number?
- The practice phone number listed in the NPPES registry for Mark Callman is (941) 629-5757.
- Is Mark Callman's NPI active?
- Yes — Mark Callman's NPI (1295774941) is active in the NPPES registry as of the last update on 2014-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.