Johnson Adeyanju, M.D.
NPI 1467403147 · Internal Medicine Physician · Concord, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Johnson Adeyanju, M.D. is a Internal Medicine Physician provider in Concord, CA (NPI 1467403147).
Provider details
- NPI number
- 1467403147
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A49920 (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
1,479 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 620 | $109 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 323 | $153 |
| Urinalysis, Manual Test81002 | 141 | $3 |
| Amplifed Dna Or Rna Probe Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) Antigen87635 | 73 | $50 |
| Detection Test By Immunoassay With Direct Visual Observation for Streptococcus, Group a (strep)87880 | 65 | $16 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 112 | 111 |
| Doxycycline Monohydrate | 86 | 85 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 75 | 75 |
| Cephalexin | 72 | 71 |
| Amoxicillin | 66 | 66 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 42 | 39 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 41 | 40 |
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
- 2006-05-15
- Last updated
- 2012-06-17
Frequently asked questions
- What is Johnson Adeyanju's NPI number?
- Johnson Adeyanju's National Provider Identifier (NPI) is 1467403147, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Johnson Adeyanju's specialty?
- Johnson Adeyanju is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Johnson Adeyanju located?
- Johnson Adeyanju's practice location on file with NPPES is 2700 Grant St, Concord, CA 94520-2266.
- What is Johnson Adeyanju's phone number?
- The practice phone number listed in the NPPES registry for Johnson Adeyanju is (925) 677-0500.
- Does Johnson Adeyanju accept Medicare?
- Johnson Adeyanju is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Johnson Adeyanju's NPI active?
- Yes — Johnson Adeyanju's NPI (1467403147) is active in the NPPES registry as of the last update on 2012-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.