Rita Renee Ellithorpe, M.D.
General Practice Physician · Tustin, CA
Rita Renee Ellithorpe, M.D. is a general practice physician with a practice address in Tustin, California, and NPI 1306848809, issued on Aug 15, 2005. Check the license (California G83575, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Rita Renee Ellithorpe
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- G83575 CA
Self-reported in NPPES; status is on the state search - Practice location
- 13422 Newport Ave, Tustin, CA 92780
- Phone
- (714) 544-1521
- Enumerated
- Aug 15, 2005
- Record last updated
- Mar 7, 2023
- Fax
- (714) 544-1904
- Medicare enrollment
- Enrolled (PECOS I20120214000138); accepts Medicare assignment
- Medical or professional school
- Chicago College Of Medicine And Surgery, 1982
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 1,956 in California → Look up another NPI →
Also registered at 13422 Newport Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Rita Renee Ellithorpe in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G83575Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average general practice physician in 2024
684 Medicare Part D claims for 135 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Progesterone183 claims
- Levothyroxine Sodium51 claims
- Armour Thyroid50 claims
- Np Thyroid35 claims
- Anastrozole33 claims
- Liothyronine Sodium32 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.
The MIPS final score for 2023 (Medicare payment program): 6.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Rita R Ellithorpe MD IncTustin, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rita Renee Ellithorpe among 1,956 general practice physician records in California
Rita Renee Ellithorpe, M.D. is one of 1,956 general practice physician records with a practice address in California. 48% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 48% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated1982 · median 1994 among the 520 with a school on file
- Record last updated2023 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in California
There are 1,956 general practice physician records in California.
All 1,956 in California → Every provider in Tustin → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Erkan Ereren, MDTustin, CA 927801457490567
- Azita Hassas, M.D.Tustin, CA 927801972891679
- Jamshid Maleki, M.D.Tustin, CA 927801407879646
- Hans Park, MDTustin, CA 927801386718377
- Arturo Portales, D.O.Tustin, CA 927801801035886
- Gideon Strich, M.D.Tustin, CA 927801609818004
- Sunita Lohiya, MDSanta Ana, CA 927991710146295
- Paul Boetcher, M.D.Anaheim, CA 928011689107427
Common questions
What is Rita Renee Ellithorpe, M.D.'s NPI number?
Rita Renee Ellithorpe, M.D.'s National Provider Identifier (NPI) is 1306848809, issued on Aug 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Rita Renee Ellithorpe, M.D. located?
The NPPES record lists a practice address at 13422 Newport Ave, Tustin, CA, 92780. Phone: (714) 544-1521. Providers update this record themselves, so call before visiting.
How can I verify Rita Renee Ellithorpe, M.D.'s license?
NPPES lists California license number G83575, 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 Rita Renee Ellithorpe, M.D. prescribe under Medicare Part D?
In 2024, Rita Renee Ellithorpe, M.D. had 684 Medicare Part D claims for 135 beneficiaries; the average among general practice physician prescribers was 3,030. Part D covers Medicare prescriptions only.
What is Rita Renee Ellithorpe, M.D.'s MIPS final score?
The 2023 MIPS final score is 6.4 of 100. 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.