Elyas Parsa, D.O.
Emergency Medicine Physician · Antioch, CA
Elyas Parsa, D.O. is an emergency medicine physician with a practice address in Antioch, California, and NPI 1902034168, issued on Jun 26, 2009. Check the license (California 20A12334, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Elyas Parsa
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 20A12334 CA
20A123347 CA
125056221 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4053 Lone Tree Way, Antioch, CA 94531
- Phone
- (925) 756-3499
- Enumerated
- Jun 26, 2009
- Record last updated
- Apr 14, 2025
- Medicare enrollment
- Enrolled (PECOS I20120801000141); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 4053 Lone Tree Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susan Adham, M.DPediatrics Physician1215256599
- Temitayo Akinfenwa, MDFamily Medicine Physician1669892857
- Ronald AlcaydeDiabetes Educator Registered Nurse1306769344
- Wen-Yin Choi, DPMFoot Surgery Podiatrist1013044411
- Nancy Chuks-Orji, NPNurse Practitioner1467840850
- Russell Del RosarioFamily Nurse Practitioner1942699574
Verify Elyas Parsa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A12334Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average emergency medicine physician in 2024
27 Medicare Part D claims, against an average of 226 among the 54,106 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 78.1 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).
Industry payments in 2024: $42.07
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 12,335 providers of this specialty with any payment received $953.79 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.
Bills Medicare through 3 group practices
- Cep America - CaliforniaTracy, CA
- Sutter Bay Medical FoundationOrinda, CA
- Sutter Valley Medical FoundationStockton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elyas Parsa among 7,751 emergency medicine physician records in California
Elyas Parsa, D.O. is one of 7,751 emergency 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 2009, is newer than 54% of them.
- NPI issued2009 · 54% of these records are older, 42% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2009 · median 2011 among the 4,560 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 emergency medicine physician records list a practice address in Antioch
They are 25 of the 2,184 NPPES records with a practice address in Antioch, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Antioch → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Andre Baitoo, MDAntioch, CA 945311417035577
- Aaron Cutshaw, MDAntioch, CA 945311285863712
- Ambreen Rahman, D.O.Antioch, CA 945311750693545
- Edward Yu, DOAntioch, CA 945311740868199
- Edward Bayer, MDEl Cerrito, CA 945301386731628
- Steven Lesser, MDEl Cerrito, CA 945301720019631
- Charles Neumann, DOEl Cerrito, CA 945301033186747
- Gabriel Patino, M.D.El Cerrito, CA 945301235191057
Common questions
What is Elyas Parsa, D.O.'s NPI number?
Elyas Parsa, D.O.'s National Provider Identifier (NPI) is 1902034168, issued on Jun 26, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Elyas Parsa, D.O. located?
The NPPES record lists a practice address at 4053 Lone Tree Way, Antioch, CA, 94531. Phone: (925) 756-3499. Providers update this record themselves, so call before visiting.
How can I verify Elyas Parsa, D.O.'s license?
NPPES lists California license number 20A12334, 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 Elyas Parsa, D.O. prescribe under Medicare Part D?
In 2024, Elyas Parsa, D.O. had 27 Medicare Part D claims; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Elyas Parsa, D.O.'s MIPS final score?
The 2023 MIPS final score is 78.1 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.