Michael Richard Grazier, M.D.
Emergency Medicine Physician · Emeryville, CA
Michael Richard Grazier, M.D. is an emergency medicine physician with a practice address in Emeryville, California, and NPI 1619279239, issued on Dec 2, 2010. Check the license (California A115788, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Richard Grazier
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A115788 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2100 Powell St Ste 920, Emeryville, CA 94608
- Phone
- (510) 350-2649
- Enumerated
- Dec 2, 2010
- Record last updated
- Jan 10, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130502000361); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 2009
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 2100 Powell St Ste 920
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Gullo, MDEmergency Medicine Physician1306080841
- Joseph MaloneyPhysician Assistant1083084412
- Todd McGregor, MDEmergency Medicine Physician1427106400
- Eilda Portillo, PA-CPhysician Assistant1891959300
Verify Michael Richard Grazier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A115788Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average emergency medicine physician in 2024
141 Medicare Part D claims for 101 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 22 claims were for opioids.
Most prescribed
- Cephalexin25 claims
- Hydrocodone-Acetaminophen19 claims
- Ondansetron Odt13 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 practice group's MIPS final score for 2023 (Medicare payment program): 94.6 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
- Cep America - CaliforniaKing City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Richard Grazier among 7,751 emergency medicine physician records in California
Michael Richard Grazier, M.D. 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 2010, is newer than 58% of them.
- NPI issued2010 · 58% of these records are older, 40% 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 updated2014 · 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).
32 emergency medicine physician records list a practice address in Emeryville
They are 32 of the 703 NPPES records with a practice address in Emeryville, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Emeryville → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Richard Doyan, M.D.Emeryville, CA 946081992740765
- Kathryn Hall-Boyer, MDEmeryville, CA 946081144240201
- Robert Huxol, DOEmeryville, CA 946081477509461
- Robert Kim, MDEmeryville, CA 946081851444384
- Anne Ledvina, MDEmeryville, CA 946081932271954
- Jeffery Leinen, M.D.Emeryville, CA 946081114983244
- Guisou MahmoudEmeryville, CA 946081164435996
- Todd McGregor, MDEmeryville, CA 946081427106400
Common questions
What is Michael Richard Grazier, M.D.'s NPI number?
Michael Richard Grazier, M.D.'s National Provider Identifier (NPI) is 1619279239, issued on Dec 2, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Michael Richard Grazier, M.D. located?
The NPPES record lists a practice address at 2100 Powell St Ste 920, Emeryville, CA, 94608. Phone: (510) 350-2649. Providers update this record themselves, so call before visiting.
How can I verify Michael Richard Grazier, M.D.'s license?
NPPES lists California license number A115788, 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 Michael Richard Grazier, M.D. prescribe under Medicare Part D?
In 2024, Michael Richard Grazier, M.D. had 141 Medicare Part D claims for 101 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Michael Richard Grazier, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.6 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.