Doctor profile · Federal record

Dr. Andrea Ajayi, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Oakland, CA

  • NPI 1164413472
  • Accepts Medicare
  • MIPS 86.3 / 100 · 2023
  • 31 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1800 Harrison St, 7Th Floor
Oakland, CA 946123466
(510) 625-6262
fax (510) 625-6226
Mailing address
5714 Eastview Dr
Stockton, CA 952122526

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
July 6, 2009
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A72668
Medicaid
CA #00A726880

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164413472. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,200
Distinct HCPCS
5
Medicare allowed
$136,134
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 412 375 $8
99285 Emergency department visit with high level of medical decision making 295 288 $177
99284 Emergency department visit with moderate level of medical decision making 244 238 $122
99291 Critical care, first 30-74 minutes 227 217 $217
99283 Emergency department visit with low level of medical decision making 22 21 $72

In context: peer comparison

Among 71 peers in this city , average services per provider: 73. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 1 $20.04

By nature of payment

Food and Beverage
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
281
Patients
275
Total drug cost
$2,621
Drug Type Claims Patients Total cost
Ondansetron Hcl Generic 43 42 $185
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 34 33 $151
Baclofen Generic 32 32 $194
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 30 28 $902
Cephalexin Generic 29 29 $235
Doxycycline Hyclate Generic 26 26 $458
Pantoprazole Sodium Generic 24 24 $126
Ibuprofen Generic 22 22 $102
Furosemide Generic 16 15 $61
Ondansetron Odt (Ondansetron) Brand 14 13 $85

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrea Ajayi's medical specialty?
Dr. Andrea Ajayi practices Emergency Medicine Physician in Oakland, CA.
Where does Dr. Andrea Ajayi practice?
Dr. Andrea Ajayi practices at 1800 Harrison St, Oakland, CA 946123466. Office phone: 5106256262.
What is Dr. Andrea Ajayi's NPI?
Dr. Andrea Ajayi's National Provider Identifier (NPI) is 1164413472, issued by NPPES.
Does Dr. Andrea Ajayi accept Medicare assignment?
Yes. Dr. Andrea Ajayi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrea Ajayi commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.