Erene Sami, M.D.
NPI 1023335817 · Endocrinology, Diabetes & Metabolism Physician · Mission Viejo, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erene Sami, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Mission Viejo, CA (NPI 1023335817).
Provider details
- NPI number
- 1023335817
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A120158 (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 tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
198 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 148 | $128 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 26 | $174 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 13 | $228 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 11 | $189 |
Typical Medicare-allowed amounts for these services range $128–$228 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metformin Hclbrand: Metformin Hcl Er | 37 | 12 |
| Semaglutidebrand: Ozempic | 21 | — |
| Dulaglutidebrand: Trulicity | 19 | — |
| Sitagliptin Phosphatebrand: Januvia | 16 | — |
| Empagliflozinbrand: Jardiance | 15 | — |
| Tirzepatidebrand: Mounjaro | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$483 across 16 records (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)
- 100 E Valencia Mesa Dr Ste 105Fullerton, CA 92835-3816Phone: (714) 446-5640Fax: (714) 446-5625
Registry dates
- Enumerated
- 2010-05-03
- Last updated
- 2022-10-25
- Certified
- 2022-10-25
Frequently asked questions
- What is Erene Sami's NPI number?
- Erene Sami's National Provider Identifier (NPI) is 1023335817, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erene Sami's specialty?
- Erene Sami is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Erene Sami located?
- Erene Sami's practice location on file with NPPES is 26800 Crown Valley Pkwy Ste 485, Mission Viejo, CA 92691-8025.
- What is Erene Sami's phone number?
- The practice phone number listed in the NPPES registry for Erene Sami is (949) 364-5830.
- Does Erene Sami accept Medicare?
- Erene Sami is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erene Sami's NPI active?
- Yes — Erene Sami's NPI (1023335817) is active in the NPPES registry as of the last update on 2022-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.