NPPES file of Aug 9, 2026

Mark E. Leventer, MD

Family Medicine Physician · Grass Lake, MI

Mark E. Leventer, MD is a family medicine physician with a practice address in Grass Lake, Michigan, and NPI 1174637995, issued on Aug 18, 2006. Check the license (Michigan ML041377, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1174637995
Name
Mark E. Leventer
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
ML041377 MI
Self-reported in NPPES; status is on the state search
Practice location
12337 E Michigan Ave, Grass Lake, MI 49240
Phone
(517) 522-8403
Enumerated
Aug 18, 2006
Record last updated
Dec 23, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(517) 522-4275
Medicaid ID
2126585 MI
Medicare enrollment
Enrolled (PECOS I20100406000173); accepts Medicare assignment
Medical or professional school
Vanderbilt University School Of Medicine, 1978
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 12337 E Michigan Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kathleen Anzicek, DOFamily Medicine Physician1336240225
  2. Patty Hopkins, FNPFamily Nurse Practitioner1982667267
  3. Sandra Richards, N.P.Family Medicine Physician1194747501
  4. Stephanie Zaientz, LMSWClinical Social Worker1447217914

Verify Mark E. Leventer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license ML041377
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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11% fewer Medicare Part D claims than the average family medicine physician in 2024

3,161 Medicare Part D claims for 304 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 53 claims were for opioids.

  1. Mark Leventer3,161
  2. Specialty average3,544

Most prescribed

  1. Losartan Potassium247 claims
  2. Atorvastatin Calcium216 claims
  3. Amlodipine Besylate159 claims
  4. Levothyroxine Sodium130 claims
  5. Lisinopril110 claims
  6. Liothyronine Sodium99 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.

Mark E. Leventer among 6,013 family medicine physician records in Michigan

Mark E. Leventer, 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 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 56% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1978 · median 2008 among the 3,493 with a school on file
  • Record last updated2020 · 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).

5 family medicine physician records list a practice address in Grass Lake

They are 5 of the 46 NPPES records with a practice address in Grass Lake, and 6,013 family medicine physician records in Michigan.

The 8 family medicine physician records with the nearest ZIP codes

  1. Kathleen Anzicek, DOGrass Lake, MI 492401336240225
  2. Katherine Cox, DOGrass Lake, MI 492401942520424
  3. Sandra Richards, N.P.Grass Lake, MI 492401194747501
  4. Lauren Sibeck, MDGrass Lake, MI 492401265995013
  5. Leslie Bennett-Granata, MDHillsdale, MI 492421093713679
  6. Joanna Branham, PA-CHillsdale, MI 492421033637244
  7. Lawrence Kimball, DOHillsdale, MI 492421346248937
  8. Karen Lindower, DOHillsdale, MI 492421033117627

Common questions

What is Mark E. Leventer, MD's NPI number?

Mark E. Leventer, MD's National Provider Identifier (NPI) is 1174637995, issued on Aug 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark E. Leventer, MD located?

The NPPES record lists a practice address at 12337 E Michigan Ave, Grass Lake, MI, 49240. Phone: (517) 522-8403. Providers update this record themselves, so call before visiting.

How can I verify Mark E. Leventer, MD's license?

NPPES lists Michigan license number ML041377, 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 Mark E. Leventer, MD prescribe under Medicare Part D?

In 2024, Mark E. Leventer, MD had 3,161 Medicare Part D claims for 304 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.