Joel Lloyd Friedman, DO
Anatomic Pathology & Clinical Pathology Physician · Thousand Oaks, CA
Joel Lloyd Friedman, DO is an anatomic pathology & clinical pathology physician with a practice address in Thousand Oaks, California, and NPI 1487945077, issued on Apr 29, 2011. Check the license (California 20A12613, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joel Lloyd Friedman
- Credential
- DO
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- 20A12613 CA
Self-reported in NPPES; status is on the state search - Practice location
- 215 W Janss RD Dept OF, Thousand Oaks, CA 91360
- Phone
- (805) 373-8582
- Enumerated
- Apr 29, 2011
- Record last updated
- Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (805) 373-0023
- Medicare enrollment
- Enrolled (PECOS I20170814003102); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 1,554 in California → Look up another NPI →
Verify Joel Lloyd Friedman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A12613Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Southern California Permanente Medical GroupOntario, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joel Lloyd Friedman among 1,554 anatomic pathology & clinical pathology physician records in California
Joel Lloyd Friedman, DO is one of 1,554 anatomic pathology & clinical pathology physician records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 70% of them.
- NPI issued2011 · 70% of these records are older, 27% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2011 · median 2003 among the 891 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in California
There are 1,554 anatomic pathology & clinical pathology physician records in California.
All 1,554 in California → Every provider in Thousand Oaks → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Edward Blackman, MDThousand Oaks, CA 913601215903455
- Sorrell Glover, MDThousand Oaks, CA 913601881662211
- Richard Kelty, MDThousand Oaks, CA 913601154397164
- Wayne Schultheis, MDThousand Oaks, CA 913601831165836
- Regina Patricia Singson, MDThousand Oaks, CA 913601609842863
- Jennifer Smith, MDThousand Oaks, CA 913601427292986
- Falguni Suthar, M.D.Thousand Oaks, CA 913601639183981
- Jianming Yin, MDThousand Oaks, CA 913601881629947
Common questions
What is Joel Lloyd Friedman, DO's NPI number?
Joel Lloyd Friedman, DO's National Provider Identifier (NPI) is 1487945077, issued on Apr 29, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Joel Lloyd Friedman, DO located?
The NPPES record lists a practice address at 215 W Janss RD Dept OF, Thousand Oaks, CA, 91360. Phone: (805) 373-8582. Providers update this record themselves, so call before visiting.
How can I verify Joel Lloyd Friedman, DO's license?
NPPES lists California license number 20A12613, 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.
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.