Marta Long, MD
NPI 1205860509 · Internal Medicine Physician · Irvine, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marta Long, MD is a Internal Medicine Physician provider in Irvine, CA (NPI 1205860509).
Provider details
- NPI number
- 1205860509
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A0101009 (CA)
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
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 19712 Macarthur BlvdSuite #110Irvine, CA 92612Phone: (949) 237-2949Fax: (682) 219-0893
- 1 LeagueIrvine, CA 92602-7204Phone: (949) 237-2949
Registry dates
- Enumerated
- 2006-07-10
- Last updated
- 2021-05-14
- Certified
- 2020-10-14
Frequently asked questions
- What is Marta Long's NPI number?
- Marta Long's National Provider Identifier (NPI) is 1205860509, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marta Long's specialty?
- Marta Long is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marta Long located?
- Marta Long's practice location on file with NPPES is 19712 Macarthur Blvd Ste 110, Irvine, CA 92612-2407.
- What is Marta Long's phone number?
- The practice phone number listed in the NPPES registry for Marta Long is (949) 237-2949.
- Does Marta Long accept Medicare?
- Marta Long is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marta Long's NPI active?
- Yes — Marta Long's NPI (1205860509) is active in the NPPES registry as of the last update on 2021-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.