Mark Belfer, DO
NPI 1922114503 · Family Medicine Physician · Lakeland, FL
Mark Belfer, DO is a Family Medicine Physician provider in Lakeland, FL (NPI 1922114503).
Provider details
- NPI number
- 1922114503
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 34004043 (OH)
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
- 2006-08-23
- Last updated
- 2019-11-19
Frequently asked questions
- What is Mark Belfer's NPI number?
- Mark Belfer's National Provider Identifier (NPI) is 1922114503, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Belfer's specialty?
- Mark Belfer is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Belfer located?
- Mark Belfer's practice location on file with NPPES is 1600 Lakeland Hills Blvd., Lakeland, FL 33805-3065.
- What is Mark Belfer's phone number?
- The practice phone number listed in the NPPES registry for Mark Belfer is (863) 680-7000.
- Is Mark Belfer's NPI active?
- Yes — Mark Belfer's NPI (1922114503) is active in the NPPES registry as of the last update on 2019-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.