NPPES file of Aug 9, 2026

Andrea Baowang Ajayi, MD

Emergency Medicine Physician · Oakland, CA

Andrea Baowang Ajayi, MD is an emergency medicine physician with a practice address in Oakland, California, and NPI 1164413472, issued on Nov 4, 2005. Check the license (California A72668, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164413472
Name
Andrea Baowang Ajayi
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
A72668 CA
Self-reported in NPPES; status is on the state search
Practice location
1800 Harrison St, Oakland, CA 94612
Phone
(510) 625-6262
Enumerated
Nov 4, 2005
Record last updated
Jul 6, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(510) 625-6226
Medicaid ID
00A726880 CA
Medicare enrollment
Enrolled (PECOS I20051025000333); accepts Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 1995
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1800 Harrison St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Devyn Ahern, CRNACertified Registered Nurse Anesthetist1477848604
  2. Fahmida Akhter AlamFamily Medicine Physician1902334451
  3. Heather Brown, PTPhysical Therapist1578937025
  4. Stephen Chen, M.D.Internal Medicine Physician1265601553
  5. Julie Do, PHARMDPharmacist1194096800
  6. Kristen Frimpong-Boateng, M.D.Family Medicine Physician1720442601

Verify Andrea Baowang Ajayi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A72668
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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82% more Medicare Part D claims than the average emergency medicine physician in 2024

411 Medicare Part D claims for 276 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 43 claims were for opioids.

  1. Andrea Ajayi411
  2. Specialty average226

Most prescribed

  1. Ondansetron Hcl54 claims
  2. Cephalexin45 claims
  3. Amitriptyline Hcl32 claims
  4. Albuterol Sulfate Hfa29 claims
  5. Hydrocodone-Acetaminophen27 claims
  6. Naproxen23 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 94.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score76.7
  2. Costout of 100 · 30%97.1
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $20.04

1 payment: food and beverage; the largest payer was Abbvie Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Andrea Ajayi$20.04
  2. Specialty average$953.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Cep America - CaliforniaModesto, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

247 emergency medicine physician records list a practice address in Oakland

They are 247 of the 18,558 NPPES records with a practice address in Oakland, and 7,751 emergency medicine physician records in California.

Other emergency medicine physician records in California

  1. Cooper Aakhus, MDStanford, CA1194351007
  2. Pyra Aarden, MDMartinez, CA1417058199
  3. Neal Aaron, D.O.Encinitas, CA1114283520
  4. Eric AaserudeWalnut Creek, CA1811491194
  5. Nader Abas, MDBarstow, CA1346288305
  6. Michael Abbo, MDNovato, CA1205819042
  7. Daniel Abbott, MDFullerton, CA1518907864
  8. Paul-Andre Abboud, M.D.Oakland, CA1710065503
  9. Mostafa Abdel-Hamid, MDStanford, CA1457918740
  10. Ashraf Abdel-KerimChino, CA1396961538

Common questions

What is Andrea Baowang Ajayi, MD's NPI number?

Andrea Baowang Ajayi, MD's National Provider Identifier (NPI) is 1164413472, issued on Nov 4, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Andrea Baowang Ajayi, MD located?

The NPPES record lists a practice address at 1800 Harrison St, Oakland, CA, 94612. Phone: (510) 625-6262. Providers update this record themselves, so call before visiting.

How can I verify Andrea Baowang Ajayi, MD's license?

NPPES lists California license number A72668, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Andrea Baowang Ajayi, MD prescribe under Medicare Part D?

In 2024, Andrea Baowang Ajayi, MD had 411 Medicare Part D claims for 276 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Andrea Baowang Ajayi, MD's MIPS final score?

The 2023 MIPS final score is 94.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.