Sonja Abbassi, M.D.
NPI 1225426851 · Internal Medicine Physician · Orange, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sonja Abbassi, M.D. is a Internal Medicine Physician provider in Orange, CA (NPI 1225426851).
Provider details
- NPI number
- 1225426851
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 280815 (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 tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
176 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 74 | $98 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 28 | $140 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 20 | $121 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 16 | $138 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 14 | $33 |
| Insertion of Needle Into Vein for Collection of Blood Sample |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 50 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 175 | 63 |
| Amlodipine Besylate | 124 | 41 |
| Levothyroxine Sodium | 108 | 36 |
| Alendronate Sodium | 97 | 34 |
| Lisinopril | 88 | 32 |
| Losartan Potassium | 86 | 33 |
| Metformin Hcl |
Practice location
Mailing address
Additional practice locations (1)
- 77 Pondfield RdBronxville, NY 10708-3809Phone: (914) 771-9286
Registry dates
- Enumerated
- 2015-01-06
- Last updated
- 2021-11-01
- Certified
- 2021-11-01
Frequently asked questions
- What is Sonja Abbassi's NPI number?
- Sonja Abbassi's National Provider Identifier (NPI) is 1225426851, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sonja Abbassi's specialty?
- Sonja Abbassi is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sonja Abbassi located?
- Sonja Abbassi's practice location on file with NPPES is 2501 E Chapman Ave, Orange, CA 92869-3204.
- What is Sonja Abbassi's phone number?
- The practice phone number listed in the NPPES registry for Sonja Abbassi is (714) 628-3345.
- Does Sonja Abbassi accept Medicare?
- Sonja Abbassi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sonja Abbassi's NPI active?
- Yes — Sonja Abbassi's NPI (1225426851) is active in the NPPES registry as of the last update on 2021-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.