NPPES file of Aug 9, 2026

Anthony B. Janas, MD

Family Medicine Physician · Three Rivers, MI

Anthony B. Janas, MD is a family medicine physician with a practice address in Three Rivers, Michigan, and NPI 1437398831, issued on Feb 10, 2009. Check the license (Michigan 4301093533, 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
1437398831
Name
Anthony B. Janas
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
4301093533 MI
Self-reported in NPPES; status is on the state search
Practice location
517 S Erie St, Three Rivers, MI 49093
Phone
(269) 273-8661
Enumerated
Feb 10, 2009
Record last updated
Jan 2, 2024
Medicaid ID
1437398831 MI
Medicare enrollment
Enrolled (PECOS I20090514000456); accepts Medicare assignment
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 517 S Erie St

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

  1. Sandhya Abraham, DPTPhysical Therapist1881341675
  2. Samreen Kaur, FNP-CFamily Nurse Practitioner1154151637
  3. Mimi Mallo, OTRGerontology Occupational Therapist1255802534
  4. Ronsted YuagPhysical Therapist1467914093

Verify Anthony B. Janas 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 4301093533
    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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3% fewer Medicare Part D claims than the average family medicine physician in 2024

3,435 Medicare Part D claims for 295 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.

  1. Anthony Janas3,435
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium170 claims
  2. Eliquis139 claims
  3. Sertraline Hcl121 claims
  4. Gabapentin105 claims
  5. Lisinopril83 claims
  6. Furosemide69 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.

Bills Medicare through one group practice

  1. Complexcare Medical Group Midwest H PLLCBattle Creek, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Anthony B. Janas among 6,013 family medicine physician records in Michigan

Anthony B. Janas, 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 2009, is newer than 54% of them.

  • NPI issued2009 · 54% of these records are older, 43% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2001 · median 2008 among the 3,493 with a school on file
  • 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).

12 family medicine physician records list a practice address in Three Rivers

They are 12 of the 306 NPPES records with a practice address in Three Rivers, and 6,013 family medicine physician records in Michigan.

The 8 family medicine physician records with the nearest ZIP codes

  1. Zena Alyashae, MDThree Rivers, MI 490931750769717
  2. Jonathan Christ, MDThree Rivers, MI 490931881190981
  3. Kaylynn Decarli, D.OThree Rivers, MI 490931356338958
  4. Natan Harel, DOThree Rivers, MI 490931518533173
  5. Nehdia Hashemi, M.D.Three Rivers, MI 490931295014124
  6. Jonathan Martins, MDThree Rivers, MI 490931730562786
  7. Constance MumfordThree Rivers, MI 490931134236979
  8. Peter NewhouseThree Rivers, MI 490931932299781

Common questions

What is Anthony B. Janas, MD's NPI number?

Anthony B. Janas, MD's National Provider Identifier (NPI) is 1437398831, issued on Feb 10, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Anthony B. Janas, MD located?

The NPPES record lists a practice address at 517 S Erie St, Three Rivers, MI, 49093. Phone: (269) 273-8661. Providers update this record themselves, so call before visiting.

How can I verify Anthony B. Janas, MD's license?

NPPES lists Michigan license number 4301093533, 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 Anthony B. Janas, MD prescribe under Medicare Part D?

In 2024, Anthony B. Janas, MD had 3,435 Medicare Part D claims for 295 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.