Mark Hammer, MD
NPI 1356304745 · Ophthalmology Physician · Tampa, FL
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Hammer, MD is a Ophthalmology Physician provider in Tampa, FL (NPI 1356304745).
Provider details
- NPI number
- 1356304745
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- ME34612 (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
- 2006-04-08
- Last updated
- 2010-03-31
Frequently asked questions
- What is Mark Hammer's NPI number?
- Mark Hammer's National Provider Identifier (NPI) is 1356304745, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Hammer's specialty?
- Mark Hammer is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Hammer located?
- Mark Hammer's practice location on file with NPPES is 602 S Macdill Avenue, Tampa, FL 33609.
- What is Mark Hammer's phone number?
- The practice phone number listed in the NPPES registry for Mark Hammer is (813) 875-6373.
- Does Mark Hammer accept Medicare?
- Mark Hammer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Hammer's NPI active?
- Yes — Mark Hammer's NPI (1356304745) is active in the NPPES registry as of the last update on 2010-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.