Sonaina Imtiaz, MD
NPI 1376959510 · Endocrinology, Diabetes & Metabolism Physician · Fullerton, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sonaina Imtiaz, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Fullerton, CA (NPI 1376959510).
Provider details
- NPI number
- 1376959510
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- C192981 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
24 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 24 | $139 |
Typical Medicare-allowed amounts for these services range $139–$139 (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 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 145 | 67 |
| Semaglutidebrand: Ozempic | 135 | 49 |
| Metformin Hcl | 128 | 60 |
| Glipizide | 114 | 52 |
| Pen Needle, Diabeticbrand: Nano 2nd Gen Pen Needle | 80 | 46 |
| Empagliflozinbrand: Jardiance | 77 | 36 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-07-09
- Last updated
- 2026-02-23
- Certified
- 2026-02-23
Frequently asked questions
- What is Sonaina Imtiaz's NPI number?
- Sonaina Imtiaz's National Provider Identifier (NPI) is 1376959510, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sonaina Imtiaz's specialty?
- Sonaina Imtiaz is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Sonaina Imtiaz located?
- Sonaina Imtiaz's practice location on file with NPPES is 1501 W Commonwealth Ave, Fullerton, CA 92833-2727.
- What is Sonaina Imtiaz's phone number?
- The practice phone number listed in the NPPES registry for Sonaina Imtiaz is (714) 410-3100.
- Does Sonaina Imtiaz accept Medicare?
- Sonaina Imtiaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sonaina Imtiaz's NPI active?
- Yes — Sonaina Imtiaz's NPI (1376959510) is active in the NPPES registry as of the last update on 2026-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.