Marc Theoret, M.D.
NPI 1821322850 · Hematology & Oncology Physician · Bethesda, MD
Marc Theoret, M.D. is a Hematology & Oncology Physician provider in Bethesda, MD (NPI 1821322850).
Provider details
- NPI number
- 1821322850
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D63149 (MD)
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
16 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
- 2009-09-23
- Last updated
- 2009-09-23
Frequently asked questions
- What is Marc Theoret's NPI number?
- Marc Theoret's National Provider Identifier (NPI) is 1821322850, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Theoret's specialty?
- Marc Theoret is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Theoret located?
- Marc Theoret's practice location on file with NPPES is 10 Center Dr, Bethesda, MD 20892-0001.
- What is Marc Theoret's phone number?
- The practice phone number listed in the NPPES registry for Marc Theoret is (301) 451-6955.
- Is Marc Theoret's NPI active?
- Yes — Marc Theoret's NPI (1821322850) is active in the NPPES registry as of the last update on 2009-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.