Serhat Aytug, M.D.
NPI 1194707471 · Endocrinology, Diabetes & Metabolism Physician · Fullerton, CA
Serhat Aytug, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Fullerton, CA (NPI 1194707471).
Provider details
- NPI number
- 1194707471
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 235870 (NY)
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 tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- 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.
$155 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
Registry dates
- Enumerated
- 2005-11-14
- Last updated
- 2020-10-19
- Certified
- 2020-10-19
Frequently asked questions
- What is Serhat Aytug's NPI number?
- Serhat Aytug's National Provider Identifier (NPI) is 1194707471, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Serhat Aytug's specialty?
- Serhat Aytug is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Serhat Aytug located?
- Serhat Aytug's practice location on file with NPPES is 100 E Valencia Mesa Dr, Fullerton, CA 92835-3813.
- What is Serhat Aytug's phone number?
- The practice phone number listed in the NPPES registry for Serhat Aytug is (714) 446-5640.
- Is Serhat Aytug's NPI active?
- Yes — Serhat Aytug's NPI (1194707471) is active in the NPPES registry as of the last update on 2020-10-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.