IndividualActive
Mark Flanzenbaum, M.D.
NPI 1134129398 · Pediatrics Physician · Midlothian, VA
Mark Flanzenbaum, M.D. is a Pediatrics Physician provider in Midlothian, VA (NPI 1134129398).
Provider details
- NPI number
- 1134129398
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 0101047168 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
5021 Craig Rath Blvd Bldg 4
Midlothian, VA 23112-6243
Phone: (804) 592-5437
Fax: (804) 474-9071
Street-level locationGet directions
Mailing address
5021 Craig Rath Blvd Bldg 4
Midlothian, VA 23112-6243
Registry dates
- Enumerated
- 2005-07-28
- Last updated
- 2014-02-17
Frequently asked questions
- What is Mark Flanzenbaum's NPI number?
- Mark Flanzenbaum's National Provider Identifier (NPI) is 1134129398, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Flanzenbaum's specialty?
- Mark Flanzenbaum is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Flanzenbaum located?
- Mark Flanzenbaum's practice location on file with NPPES is 5021 Craig Rath Blvd Bldg 4, Midlothian, VA 23112-6243.
- What is Mark Flanzenbaum's phone number?
- The practice phone number listed in the NPPES registry for Mark Flanzenbaum is (804) 592-5437.
- Is Mark Flanzenbaum's NPI active?
- Yes — Mark Flanzenbaum's NPI (1134129398) is active in the NPPES registry as of the last update on 2014-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.