Marc J Holzman
NPI 1063785541 · Exclusive Provider Organization · Washington, DC
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc J Holzman is a Exclusive Provider Organization organization in Washington, DC (NPI 1063785541).
Provider details
- NPI number
- 1063785541
- Entity type
- Organization
- Primary specialty
- Exclusive Provider OrganizationManaged Care Organizations
- Organization subpart
- No
- Authorized official
- Marc Holzman, Physician(202) 296-1333
- License
- MD14106 (DC)
Specialties & taxonomies
Managed Care Organizations
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
- 2012-02-15
- Last updated
- 2012-02-15
Frequently asked questions
- What is Marc J Holzman's NPI number?
- Marc J Holzman's National Provider Identifier (NPI) is 1063785541, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Marc J Holzman?
- Marc J Holzman is classified in the NPPES registry as Exclusive Provider Organization (Managed Care Organizations).
- Where is Marc J Holzman located?
- Marc J Holzman's practice location on file with NPPES is 2021 K St Nw, Washington, DC 20006-1003.
- What is Marc J Holzman's phone number?
- The practice phone number listed in the NPPES registry for Marc J Holzman is (202) 296-1333.
- Does Marc J Holzman accept Medicare?
- Marc J Holzman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Marc J Holzman?
- The authorized official listed on Marc J Holzman's NPPES record is Marc Holzman, Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Marc J Holzman's NPI active?
- Yes — Marc J Holzman's NPI (1063785541) is active in the NPPES registry as of the last update on 2012-02-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.