Doctor profile · Federal record

Dr. Mariam Sargsyan, MD

Family Medicine Physician (CMS: Family Practice) · Student in an Organized Health Care Education/Training Program · Chino, CA

  • NPI 1316436355
  • Accepts Medicare
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
5451 Walnut Ave
Chino, CA 917102609
(909) 464-8623
Additional location
1600 N Rose Ave
Oxnard, CA 930303722
(805) 988-2505
Mailing address
1600 N Rose Ave
Oxnard, CA 930303722

Credentials & registration

NPPES · NUCC
NPI registered
May 2018 — 8 yrs on file
Profile last updated
December 30, 2024
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #A154034

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316436355. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
898
Distinct HCPCS
4
Medicare allowed
$111,194
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 533 182 $123
99239 Hospital discharge day management, more than 30 minutes 149 141 $120
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 115 63 $82
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 101 98 $180

In context: peer comparison

Among 10 peers in Chino Family Medicine Physician, average services per provider: 145. This provider delivers 6.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$127
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 1 $127.18

By nature of payment

Food and Beverage
$127

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
63
Patients
34
Total drug cost
$3,839
Drug Type Claims Patients Total cost
Ampicillin-Sulbactam (Ampicillin Sod/Sulbactam Sod) Brand 18 0 $2,495
Amlodipine Besylate Generic 12 12 $49
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 11 11 $98
Ceftazidime Generic 11 0 $1,118
Levofloxacin Generic 11 11 $79

Frequently asked questions

Auto-generated from federal data
What is Dr. Mariam Sargsyan's medical specialty?
Dr. Mariam Sargsyan practices Family Medicine Physician in Chino, CA.
Where does Dr. Mariam Sargsyan practice?
Dr. Mariam Sargsyan practices at 5451 Walnut Ave, Chino, CA 917102609. Office phone: 9094648623.
What is Dr. Mariam Sargsyan's NPI?
Dr. Mariam Sargsyan's National Provider Identifier (NPI) is 1316436355, issued by NPPES.
Does Dr. Mariam Sargsyan accept Medicare assignment?
Yes. Dr. Mariam Sargsyan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mariam Sargsyan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.