Doctor profile · Federal record

Dr. Sonja Abbassi, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Orange, CA

  • NPI 1225426851
  • Accepts Medicare
  • 14 yrs in practice
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2501 E Chapman Ave
Orange, CA 928693204
(714) 628-3345
Additional location
77 Pondfield RD
Bronxville, NY 107083809
(914) 771-9286

Credentials & registration

NPPES · NUCC
NPI registered
January 2015 — 11 yrs on file
Profile last updated
November 1, 2021
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
California #C168880 · New York #280815

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225426851. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
91
Distinct HCPCS
4
Medicare allowed
$10,364
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 49 35 $98
99203 New patient office or other outpatient visit, 30-44 minutes 18 18 $122
99214 Established patient office or other outpatient visit, 30-39 minutes 12 12 $139
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 12 12 $140

In context: peer comparison

Among 42 peers in this city , average services per provider: 103. This provider delivers 0.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
273
Patients
109
Total drug cost
$4,899
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 37 24 $678
Alendronate Sodium Generic 33 15 $595
Amlodipine Besylate Generic 28 20 $350
Lisinopril Generic 26 15 $339
Pantoprazole Sodium Generic 25 0 $724
Levothyroxine Sodium Generic 21 12 $440
Metformin Hcl Generic 19 11 $283
Losartan Potassium Generic 17 12 $335
Metoprolol Succinate Generic 17 0 $477
Hydrochlorothiazide Generic 15 0 $142

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sonja Abbassi's medical specialty?
Dr. Sonja Abbassi practices Internal Medicine Physician in Orange, CA.
Where does Dr. Sonja Abbassi practice?
Dr. Sonja Abbassi practices at 2501 E Chapman Ave, Orange, CA 928693204. Office phone: 7146283345.
What is Dr. Sonja Abbassi's NPI?
Dr. Sonja Abbassi's National Provider Identifier (NPI) is 1225426851, issued by NPPES.
Does Dr. Sonja Abbassi accept Medicare assignment?
Yes. Dr. Sonja Abbassi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sonja Abbassi commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.