Mark Davidson MD Inc
NPI 1033142344 · Gastroenterology Physician · Los Angeles, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Davidson MD Inc is a Gastroenterology Physician organization in Los Angeles, CA (NPI 1033142344).
Provider details
- NPI number
- 1033142344
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mark Davidson, President(310) 855-0222
- License
- A67586 (CA)
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
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
- 2006-07-09
- Last updated
- 2024-05-03
- Certified
- 2024-04-23
Frequently asked questions
- What is Mark Davidson MD Inc's NPI number?
- Mark Davidson MD Inc's National Provider Identifier (NPI) is 1033142344, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mark Davidson MD Inc?
- Mark Davidson MD Inc is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Davidson MD Inc located?
- Mark Davidson MD Inc's practice location on file with NPPES is 8631 W 3rd St # 1135e, Los Angeles, CA 90048-5901.
- What is Mark Davidson MD Inc's phone number?
- The practice phone number listed in the NPPES registry for Mark Davidson MD Inc is (310) 855-0222.
- Does Mark Davidson MD Inc accept Medicare?
- Mark Davidson MD Inc 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 Mark Davidson MD Inc?
- The authorized official listed on Mark Davidson MD Inc's NPPES record is Mark Davidson, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mark Davidson MD Inc's NPI active?
- Yes — Mark Davidson MD Inc's NPI (1033142344) is active in the NPPES registry as of the last update on 2024-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.