Michael Grinney, MD
Emergency Medicine Physician · Jacksonville, FL
Michael Grinney, MD is an emergency medicine physician with a practice address in Jacksonville, Florida, and NPI 1972769198, issued on Aug 7, 2008. Check the license (Florida ME101581, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Michael Grinney
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- ME101581 FL
Self-reported in NPPES; status is on the state search - Practice location
- 4500 San Pablo RD S, Jacksonville, FL 32224
- Phone
- (904) 953-2000
- Enumerated
- Aug 7, 2008
- Record last updated
- Oct 7, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20081204000747); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,034 in Florida → Look up another NPI →
Also registered at 4500 San Pablo RD S
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Verify Michael Grinney in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME101581Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average emergency medicine physician in 2024
67 Medicare Part D claims for 49 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
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): 76.2 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 one group practice
- Mayo Clinic JacksonvilleJacksonville, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Grinney among 4,034 emergency medicine physician records in Florida
Michael Grinney, MD is one of 4,034 emergency medicine physician records with a practice address in Florida. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 45% of them.
- NPI issued2008 · 45% of these records are older, 51% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2004 · median 2013 among the 2,199 with a school on file
- Record last updated2020 · 56% 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 Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
365 emergency medicine physician records list a practice address in Jacksonville
They are 365 of the 24,194 NPPES records with a practice address in Jacksonville, and 4,034 emergency medicine physician records in Florida.
All 4,034 in Florida → Every provider in Jacksonville → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Bradley Bragg, MDJacksonville, FL 322241093701443
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- Ann Kaminski, MDJacksonville, FL 322241972688034
- Brian Kruse, MDJacksonville, FL 322241043291339
- Gretchen Lipke, M.D.Jacksonville, FL 322241083601231
- Michael Mohseni, MDJacksonville, FL 322241881637064
- Kathryn Pruden, MDJacksonville, FL 322241376522565
- Ehsan Shirazi, MDJacksonville, FL 322241831134840
Common questions
What is Michael Grinney, MD's NPI number?
Michael Grinney, MD's National Provider Identifier (NPI) is 1972769198, issued on Aug 7, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Michael Grinney, MD located?
The NPPES record lists a practice address at 4500 San Pablo RD S, Jacksonville, FL, 32224. Phone: (904) 953-2000. Providers update this record themselves, so call before visiting.
How can I verify Michael Grinney, MD's license?
NPPES lists Florida license number ME101581, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael Grinney, MD prescribe under Medicare Part D?
In 2024, Michael Grinney, MD had 67 Medicare Part D claims for 49 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Michael Grinney, MD's MIPS final score?
The 2023 MIPS final score is 76.2 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.