Mark Sobel, M.D., PH.D.
NPI 1134596703 · General Practice Physician · Bethesda, MD
Mark Sobel, M.D., PH.D. is a General Practice Physician provider in Bethesda, MD (NPI 1134596703).
Provider details
- NPI number
- 1134596703
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0020038 (MD)
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
10 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
- 2015-08-30
- Last updated
- 2015-08-30
Frequently asked questions
- What is Mark Sobel's NPI number?
- Mark Sobel's National Provider Identifier (NPI) is 1134596703, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Sobel's specialty?
- Mark Sobel is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Sobel located?
- Mark Sobel's practice location on file with NPPES is 9401 Bulls Run Pkwy, Bethesda, MD 20817-2405.
- What is Mark Sobel's phone number?
- The practice phone number listed in the NPPES registry for Mark Sobel is (301) 530-9309.
- Is Mark Sobel's NPI active?
- Yes — Mark Sobel's NPI (1134596703) is active in the NPPES registry as of the last update on 2015-08-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.