Doctor profile · Federal record

Dr. Pei-Jing Ma, PA

Physician Assistant · Fullerton, CA

  • NPI 1912989591
  • 21 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
101 E Valencia Mesa Dr, Em Dept
Fullerton, CA 928353809
(714) 992-3965
Mailing address
4401 W Memorial RD, Suite 121
Oklahoma City, OK 731341785

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
September 18, 2009
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #PA16930
Medicaid
CA #PA16930

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912989591. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
317
Distinct HCPCS
3
Medicare allowed
$46,837
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 213 201 $154
99284 Emergency department visit with moderate level of medical decision making 67 66 $106
99291 Critical care, first 30-74 minutes 37 36 $189

In context: peer comparison

Among 21 peers in Fullerton Physician Assistant, average services per provider: 68. This provider delivers 4.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
258
Patients
253
Total drug cost
$2,269
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 52 51 $747
Ibuprofen Generic 41 41 $154
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 36 34 $141
Cephalexin Generic 31 30 $186
Azithromycin Generic 22 22 $115
Cefdinir Generic 20 19 $314
Prednisone Generic 17 17 $44
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 15 15 $56
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 12 12 $486
Tramadol Hcl Generic 12 12 $27

Frequently asked questions

Auto-generated from federal data
What is Dr. Pei-Jing Ma's medical specialty?
Dr. Pei-Jing Ma practices Physician Assistant in Fullerton, CA.
Where does Dr. Pei-Jing Ma practice?
Dr. Pei-Jing Ma practices at 101 E Valencia Mesa Dr, Fullerton, CA 928353809. Office phone: 7149923965.
What is Dr. Pei-Jing Ma's NPI?
Dr. Pei-Jing Ma's National Provider Identifier (NPI) is 1912989591, issued by NPPES.
What procedures does Dr. Pei-Jing Ma commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.