Issac X. Grinberg, MD
Cardiovascular Disease Physician · Southfield, MI
Issac X. Grinberg, MD is a cardiovascular disease physician with a practice address in Southfield, Michigan, and NPI 1790768257, issued on Nov 29, 2005. Check the license (Michigan 4301050938, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Issac X. Grinberg
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 4301050938 MI
Self-reported in NPPES; status is on the state search - Practice location
- 22250 Providence Dr, Southfield, MI 48075
- Phone
- (248) 552-9858
- Enumerated
- Nov 29, 2005
- Record last updated
- Jan 13, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (248) 552-9510
- Medicaid ID
- 2959599 MI
- Medicare enrollment
- Enrolled (PECOS I20040414000985); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 860 in Michigan → Look up another NPI →
Also registered at 22250 Providence Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rana Afram, DOInternal Medicine Physician1851144042
- Fred Ahmadi, DOInternal Medicine Physician1710738125
- Samira Ahsan, M.D.Internal Medicine Physician1861469207
- Essam Al-Snayyan, DOInternal Medicine Physician1659122513
- Qasim Alameri, MDStudent in an Organized Health Care Education/Training Program1447954813
- Christopher Anderson, M.D.Family Medicine Physician1851604003
Verify Issac X. Grinberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301050938Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% more Medicare Part D claims than the average cardiovascular disease physician in 2024
4,192 Medicare Part D claims for 724 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Metoprolol Succinate590 claims
- Atorvastatin Calcium537 claims
- Olmesartan Medoxomil330 claims
- Eliquis292 claims
- Amlodipine Besylate274 claims
- Carvedilol268 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): 80.5 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: $1,165.22
18 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 16,686 providers of this specialty with any payment received $3,819.56 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 one group practice
- Henry Ford Health Providence HospitalSouthfield, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Issac X. Grinberg among 860 cardiovascular disease physician records in Michigan
Issac X. Grinberg, MD is one of 860 cardiovascular disease physician records with a practice address in Michigan. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 80% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1987 · median 1999 among the 606 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 207RC0000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Michigan
There are 860 cardiovascular disease physician records in Michigan.
All 860 in Michigan → Every provider in Southfield → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Ziad AffasSouthfield, MI 480751205413200
- Saba Darda, M.D.Southfield, MI 480751427171321
- Wadie David, DOSouthfield, MI 480751740868272
- Tareq Goussous, M.D.Southfield, MI 480751356568828
- Franklin Hull, M.D.Southfield, MI 480751760467054
- Hahn Lee, MDSouthfield, MI 480751619952074
- Marc Meissner, M.D.Southfield, MI 480751134103542
- Andis Ozolins, MDSouthfield, MI 480751407839996
Common questions
What is Issac X. Grinberg, MD's NPI number?
Issac X. Grinberg, MD's National Provider Identifier (NPI) is 1790768257, issued on Nov 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Issac X. Grinberg, MD located?
The NPPES record lists a practice address at 22250 Providence Dr, Southfield, MI, 48075. Phone: (248) 552-9858. Providers update this record themselves, so call before visiting.
How can I verify Issac X. Grinberg, MD's license?
NPPES lists Michigan license number 4301050938, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Issac X. Grinberg, MD prescribe under Medicare Part D?
In 2024, Issac X. Grinberg, MD had 4,192 Medicare Part D claims for 724 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Issac X. Grinberg, MD's MIPS final score?
The 2023 MIPS final score is 80.5 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.