Robin Hatam, D.O.
NPI 1194053785 · Internal Medicine Physician · Santa Ana, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robin Hatam, D.O. is a Internal Medicine Physician provider in Santa Ana, CA (NPI 1194053785).
Provider details
- NPI number
- 1194053785
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 20A11018 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
16 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$215 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 3513 E 1st StLos Angeles, CA 90063-4101Phone: (323) 859-2660
Registry dates
- Enumerated
- 2009-11-20
- Last updated
- 2025-12-26
- Certified
- 2025-12-26
Frequently asked questions
- What is Robin Hatam's NPI number?
- Robin Hatam's National Provider Identifier (NPI) is 1194053785, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robin Hatam's specialty?
- Robin Hatam is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robin Hatam located?
- Robin Hatam's practice location on file with NPPES is 3501 S Harbor Blvd, Santa Ana, CA 92704-6919.
- What is Robin Hatam's phone number?
- The practice phone number listed in the NPPES registry for Robin Hatam is (714) 929-2300.
- Does Robin Hatam accept Medicare?
- Robin Hatam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robin Hatam's NPI active?
- Yes — Robin Hatam's NPI (1194053785) is active in the NPPES registry as of the last update on 2025-12-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.