Callman Internal Medicine
NPI 1336521673 · Internal Medicine Physician · Port Charlotte, FL
Callman Internal Medicine is a Internal Medicine Physician organization in Port Charlotte, FL (NPI 1336521673).
Provider details
- NPI number
- 1336521673
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mark Callman, Owner(941) 206-5200
- 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
11 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
- 2015-06-23
- Last updated
- 2015-06-23
Frequently asked questions
- What is Callman Internal Medicine's NPI number?
- Callman Internal Medicine's National Provider Identifier (NPI) is 1336521673, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Callman Internal Medicine?
- Callman Internal Medicine is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Callman Internal Medicine located?
- Callman Internal Medicine's practice location on file with NPPES is 21281 Grayton Ter, Port Charlotte, FL 33954-3109.
- What is Callman Internal Medicine's phone number?
- The practice phone number listed in the NPPES registry for Callman Internal Medicine is (941) 206-5200.
- Who is the authorized official for Callman Internal Medicine?
- The authorized official listed on Callman Internal Medicine's NPPES record is Mark Callman, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Callman Internal Medicine's NPI active?
- Yes — Callman Internal Medicine's NPI (1336521673) is active in the NPPES registry as of the last update on 2015-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.