Richard R. Ellis, M.D.
Anatomic Pathology & Clinical Pathology Physician · San Pedro, CA
Richard R. Ellis, M.D. is an anatomic pathology & clinical pathology physician with a practice address in San Pedro, California, and NPI 1952354607, issued on May 17, 2006. Check the license (California G23337, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Richard R. Ellis
- Credential
- M.D.
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- G23337 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1300 W. 7TH Street, San Pedro, CA 90732
- Phone
- (310) 514-5250
- Enumerated
- May 17, 2006
- Record last updated
- Jan 27, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (310) 514-5445
- Medicaid ID
- 00G233370 CA
- Medicare enrollment
- Enrolled (PECOS I20111213000171); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 1,554 in California → Look up another NPI →
Also registered at 1300 W. 7TH Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa ShibataPsychiatric/Mental Health Registered Nurse1033743984
Verify Richard R. Ellis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G23337Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Affiliated Pathologists Medical Group, Inc.Orange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Richard R. Ellis among 1,554 anatomic pathology & clinical pathology physician records in California
Richard R. Ellis, M.D. 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 57% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1971 · median 2003 among the 891 with a school on file
- Record last updated2016 · 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 San Pedro → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Yujie Xu, M.D., PH.D.Seal Beach, CA 907401902030190
- Sulochana Trivedi, M.D.Paramount, CA 907231154421063
- Brian Yee, M.D.Paramount, CA 907231679664346
- Azar Daneshbod, MDLos Alamitos, CA 907201386605673
- Indu Gupta, MDLos Alamitos, CA 907201952365124
- Susan Lim, M.D.Los Alamitos, CA 907201972702728
- Tao Yang, MDLos Alamitos, CA 907201790799161
- Mark Samonte, M.D.Carson, CA 907451114140233
Common questions
What is Richard R. Ellis, M.D.'s NPI number?
Richard R. Ellis, M.D.'s National Provider Identifier (NPI) is 1952354607, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard R. Ellis, M.D. located?
The NPPES record lists a practice address at 1300 W. 7TH Street, San Pedro, CA, 90732. Phone: (310) 514-5250. Providers update this record themselves, so call before visiting.
How can I verify Richard R. Ellis, M.D.'s license?
NPPES lists California license number G23337, 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.
What is Richard R. Ellis, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.