Karl Zacharias, MD
Family Medicine Physician · Monroe, MI
Karl Zacharias, MD is a family medicine physician with a practice address in Monroe, Michigan, and NPI 1619712486, issued on Jun 25, 2024. Check the license (Michigan 4351053353, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Karl Zacharias
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 4351053353 MI
Self-reported in NPPES; status is on the state search - Practice location
- 650 Stewart RD, Monroe, MI 48162
- Phone
- (734) 430-3272
- Enumerated
- Jun 25, 2024
- Record last updated
- Jun 25, 2024
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
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Verify Karl Zacharias in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4351053353Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average family medicine physician in 2024
133 Medicare Part D claims for 36 beneficiaries, against an average of 3,544 among the 117,163 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.
Karl Zacharias among 6,013 family medicine physician records in Michigan
Karl Zacharias, MD is one of 6,013 family medicine physician records with a practice address in Michigan. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 94% of them.
- NPI issued2024 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
64 family medicine physician records list a practice address in Monroe
They are 64 of the 1,305 NPPES records with a practice address in Monroe, and 6,013 family medicine physician records in Michigan.
All 6,013 in Michigan → Every provider in Monroe → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jose Compean, M.D.Monroe, MI 481621811167513
- James Doyle, DOMonroe, MI 481621982679262
- Mohamed Elgahmi, M.D.Monroe, MI 481621871515767
- Laura Grima, MDMonroe, MI 481621144200650
- Susan Hulsemann, MDMonroe, MI 481621356348718
- Christina Lucas-Vougiouklakis, D.O.Monroe, MI 481621356559496
- James Miller, D.O.Monroe, MI 481621841297256
- William Murdoch, MDMonroe, MI 481621841490265
Common questions
What is Karl Zacharias, MD's NPI number?
Karl Zacharias, MD's National Provider Identifier (NPI) is 1619712486, issued on Jun 25, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Karl Zacharias, MD located?
The NPPES record lists a practice address at 650 Stewart RD, Monroe, MI, 48162. Phone: (734) 430-3272. Providers update this record themselves, so call before visiting.
How can I verify Karl Zacharias, MD's license?
NPPES lists Michigan license number 4351053353, 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 Karl Zacharias, MD prescribe under Medicare Part D?
In 2024, Karl Zacharias, MD had 133 Medicare Part D claims for 36 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.