Johan Alexander Clarke, MD
Family Medicine Physician · Los Angeles, CA
Johan Alexander Clarke, MD is a family medicine physician with a practice address in Los Angeles, California, and NPI 1154881696, issued on Mar 21, 2019. Check the license (California A179671, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Johan Alexander Clarke
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A179671 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4733 W Sunset Blvd FL 3, Los Angeles, CA 90027
- Phone
- (323) 783-7123
- Enumerated
- Mar 21, 2019
- Record last updated
- Sep 19, 2022
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 4733 W Sunset Blvd FL 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Johan Alexander Clarke in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A179671Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average family medicine physician in 2024
445 Medicare Part D claims for 131 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Rosuvastatin Calcium21 claims
- Gabapentin17 claims
- Metformin Hcl16 claims
- Naproxen15 claims
- Tivicay13 claims
- Famotidine12 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.
Industry payments in 2024: $536.13
14 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Johan Alexander Clarke among 17,133 family medicine physician records in California
Johan Alexander Clarke, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 85% of them.
- NPI issued2019 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2022 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
829 family medicine physician records list a practice address in Los Angeles
They are 829 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Los Angeles → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
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- Joanne Mogannam, MDLos Angeles, CA 900271124199005
- Anthony Morena, MDLos Angeles, CA 900271487725461
Common questions
What is Johan Alexander Clarke, MD's NPI number?
Johan Alexander Clarke, MD's National Provider Identifier (NPI) is 1154881696, issued on Mar 21, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Johan Alexander Clarke, MD located?
The NPPES record lists a practice address at 4733 W Sunset Blvd FL 3, Los Angeles, CA, 90027. Phone: (323) 783-7123. Providers update this record themselves, so call before visiting.
How can I verify Johan Alexander Clarke, MD's license?
NPPES lists California license number A179671, 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 Johan Alexander Clarke, MD prescribe under Medicare Part D?
In 2024, Johan Alexander Clarke, MD had 445 Medicare Part D claims for 131 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.