Maryam Attar-Seyedi, M.D
NPI 1518972330 · Internal Medicine Physician · Costa Mesa, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maryam Attar-Seyedi, M.D is a Internal Medicine Physician provider in Costa Mesa, CA (NPI 1518972330).
Provider details
- NPI number
- 1518972330
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Female
- Sole proprietor
- No
- License
- C52547 (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
- 2006-07-30
- Last updated
- 2016-12-28
Frequently asked questions
- What is Maryam Attar-Seyedi's NPI number?
- Maryam Attar-Seyedi's National Provider Identifier (NPI) is 1518972330, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maryam Attar-Seyedi's specialty?
- Maryam Attar-Seyedi is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Maryam Attar-Seyedi located?
- Maryam Attar-Seyedi's practice location on file with NPPES is 1190 W Baker Street, Costa Mesa, CA 92626-4105.
- What is Maryam Attar-Seyedi's phone number?
- The practice phone number listed in the NPPES registry for Maryam Attar-Seyedi is (714) 668-2500.
- Does Maryam Attar-Seyedi accept Medicare?
- Maryam Attar-Seyedi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maryam Attar-Seyedi's NPI active?
- Yes — Maryam Attar-Seyedi's NPI (1518972330) is active in the NPPES registry as of the last update on 2016-12-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.