Michael Greas
Anatomic Pathology Physician · Loma Linda, CA
Michael Greas is an anatomic pathology physician with a practice address in Loma Linda, California, and NPI 1982059168, issued on Apr 26, 2016. Check the license (California A157365, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Greas
- Primary taxonomy
- Anatomic Pathology Physician 207ZP0101X
- License number
- A157365 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11234 Anderson St, Loma Linda, CA 92354
- Phone
- (909) 558-4094
- Enumerated
- Apr 26, 2016
- Record last updated
- Apr 30, 2024
- Medicare enrollment
- Enrolled (PECOS I20220525002559); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anatomic pathology physician records → All 386 in California → Look up another NPI →
Also registered at 11234 Anderson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carolyn AbbasiAnesthesiology Physician1811287311
- Marian Abdelmalek, DOInternal Medicine Physician1285218024
- Faiz Abdur-Rahman, MDStudent in an Organized Health Care Education/Training Program1144073768
- Marc Abou AssaliStudent in an Organized Health Care Education/Training Program1689317265
- Adina Achiriloaie, MDDiagnostic Neuroimaging (Radiology) Physician1992983282
- Ana Acosta, MDStudent in an Organized Health Care Education/Training Program1265179774
Verify Michael Greas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A157365Check 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): 85.2 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 3 group practices
- Faculty Physicians And Surgeons OF LlusmLoma Linda, CA
- Loma Linda University Pathology Medical Group, IncLoma Linda, CA
- Skin And Beauty Center IncBurbank, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Greas among 386 anatomic pathology physician records in California
Michael Greas is one of 386 anatomic pathology physician records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 80% of them.
- NPI issued2016 · 80% of these records are older, 18% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2010 · median 2000 among the 190 with a school on file
- Record last updated2024 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0101X 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 Physician providers in California
There are 386 anatomic pathology physician records in California.
All 386 in California → Every provider in Loma Linda → Anatomic Pathology Physician nationwide →
The 8 anatomic pathology physician records with the nearest ZIP codes
- Carlos Casiano, MD, MALoma Linda, CA 923541790218121
- Yan Chen Wongworawat, MD, PHDLoma Linda, CA 923541104359389
- Evelyn Choo, M.D.Loma Linda, CA 923541710900618
- Jeremy Deisch, MDLoma Linda, CA 923541619170222
- Chelsea HeimbaughLoma Linda, CA 923541104359447
- Paul Herrmann, M.D.Loma Linda, CA 923541366655359
- Mia Nepomuceno-Perez, M.D.Loma Linda, CA 923541073533519
- Ravi Raghavan, M.D.Loma Linda, CA 923541144240698
Common questions
What is Michael Greas's NPI number?
Michael Greas's National Provider Identifier (NPI) is 1982059168, issued on Apr 26, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Michael Greas located?
The NPPES record lists a practice address at 11234 Anderson St, Loma Linda, CA, 92354. Phone: (909) 558-4094. Providers update this record themselves, so call before visiting.
How can I verify Michael Greas's license?
NPPES lists California license number A157365, 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 Michael Greas's MIPS final score?
The 2023 MIPS final score is 85.2 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.