Richard Allen Williams, M.D.
Cardiovascular Disease Physician · Encino, CA
Richard Allen Williams, M.D. is a cardiovascular disease physician with a practice address in Encino, California, and NPI 1366771941, issued on Dec 10, 2009. Check the license (California G8995, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Richard Allen Williams
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- G8995 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3425 Clairton PL, Encino, CA 91436
- Phone
- (818) 907-6750
- Enumerated
- Dec 10, 2009
- Record last updated
- Dec 10, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (818) 907-0510
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Verify Richard Allen Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G8995Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
45 Medicare Part D claims, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.
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: $107.81
1 payment: food and beverage; the largest payer was Edwards Lifesciences Corporation. The 16,686 providers of this specialty with any payment received $3,819.56 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.
Richard Allen Williams among 2,574 cardiovascular disease physician records in California
Richard Allen Williams, M.D. is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 72% of them.
- NPI issued2009 · 72% of these records are older, 26% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2009 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in California
There are 2,574 cardiovascular disease physician records in California.
All 2,574 in California → Every provider in Encino → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- James Fleisher, M.D.Encino, CA 914361710041652
- Jerome Hamburger, M.D.Encino, CA 914361982710810
- James Higgins, M.D.Encino, CA 914361982781191
- Leo Kassabian, M.D.Encino, CA 914361184617763
- Joel Lebovitz, MDEncino, CA 914361760448963
- Sohail Mahboubian, M.D.Encino, CA 914361295750164
- Mariappan Pandian, M.D.Encino, CA 914361699768275
- Sahar Sohrabian, MDEncino, CA 914361114125994
Common questions
What is Richard Allen Williams, M.D.'s NPI number?
Richard Allen Williams, M.D.'s National Provider Identifier (NPI) is 1366771941, issued on Dec 10, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Richard Allen Williams, M.D. located?
The NPPES record lists a practice address at 3425 Clairton PL, Encino, CA, 91436. Phone: (818) 907-6750. Providers update this record themselves, so call before visiting.
How can I verify Richard Allen Williams, M.D.'s license?
NPPES lists California license number G8995, 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 Richard Allen Williams, M.D. prescribe under Medicare Part D?
In 2024, Richard Allen Williams, M.D. had 45 Medicare Part D claims; the average among cardiovascular disease physician prescribers was 3,078. 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.