Andrea Ajayi, MD
NPI 1164413472 · Emergency Medicine Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrea Ajayi, MD is a Emergency Medicine Physician provider in Oakland, CA (NPI 1164413472).
Provider details
- NPI number
- 1164413472
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A72668 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
997 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 347 | $9 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 317 | $181 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 210 | $125 |
| Critical Care, First 30-74 Minutes99291 | 103 | $223 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 20 | $74 |
Typical Medicare-allowed amounts for these services range $9–$223 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetron Hcl | 54 | 53 |
| Cephalexin | 45 | 45 |
| Amitriptyline Hcl | 32 | 31 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 29 | 27 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 27 | 26 |
| Naproxen | 23 | 22 |
| Pantoprazole Sodium | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-04
- Last updated
- 2009-07-06
Frequently asked questions
- What is Andrea Ajayi's NPI number?
- Andrea Ajayi's National Provider Identifier (NPI) is 1164413472, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrea Ajayi's specialty?
- Andrea Ajayi is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Andrea Ajayi located?
- Andrea Ajayi's practice location on file with NPPES is 1800 Harrison St, Oakland, CA 94612-3466.
- What is Andrea Ajayi's phone number?
- The practice phone number listed in the NPPES registry for Andrea Ajayi is (510) 625-6262.
- Does Andrea Ajayi accept Medicare?
- Andrea Ajayi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrea Ajayi's NPI active?
- Yes — Andrea Ajayi's NPI (1164413472) is active in the NPPES registry as of the last update on 2009-07-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.