NPPES file of Aug 9, 2026

Taylor Thelen, D.O.

Family Medicine Physician · Saint Johns, MI

Taylor Thelen, D.O. is a family medicine physician with a practice address in Saint Johns, Michigan, and NPI 1548552516, issued on May 10, 2011. Check the license (Michigan 5101019134, 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
1548552516
Name
Taylor Thelen
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
5101019134 MI
Self-reported in NPPES; status is on the state search
Practice location
1005 S US Highway 27, Saint Johns, MI 48879
Phone
(989) 224-3000
Enumerated
May 10, 2011
Record last updated
Jan 7, 2026
Fax
(989) 224-1424
Medicare enrollment
Enrolled (PECOS I20130802000290); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Osteopathic Medicine, 2011
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 1005 S US Highway 27

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

  1. Lars Andersen, D.O.Family Medicine Physician1902835309
  2. Andrew Messenger, D.O.Family Medicine Physician1073543666
  3. Justin Morris, PA-CMedical Physician Assistant1275991937
  4. Lois Rodgers, P.T.Physical Therapist1598908261
  5. Maria Thelen, P.A.-C.Physician Assistant1639115165
  6. Kristine Tuchek, P.A. -CMedical Physician Assistant1770750101

Verify Taylor Thelen 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 5101019134
    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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3.1 times the Medicare Part D claims of the average family medicine physician in 2024

11,120 Medicare Part D claims for 921 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 418 claims were for opioids.

  1. Taylor Thelen11,120
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium609 claims
  2. Levothyroxine Sodium468 claims
  3. Lisinopril363 claims
  4. Omeprazole324 claims
  5. Metformin Hcl323 claims
  6. Amlodipine Besylate318 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. Clinton County Medical Center PCSaint Johns, MI

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

Taylor Thelen among 6,013 family medicine physician records in Michigan

Taylor Thelen, D.O. 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 2011, is newer than 58% of them.

  • NPI issued2011 · 58% of these records are older, 39% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2011 · median 2008 among the 3,493 with a school on file
  • Record last updated2026 · 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).

8 family medicine physician records list a practice address in Saint Johns

They are 8 of the 207 NPPES records with a practice address in Saint Johns, and 6,013 family medicine physician records in Michigan.

The 8 family medicine physician records with the nearest ZIP codes

  1. Lars Andersen, D.O.Saint Johns, MI 488791902835309
  2. Whitnee Essenmacher, MDSaint Johns, MI 488791831707595
  3. Werner Hollstein, MDSaint Johns, MI 488791649248998
  4. Gregory Holzhei, D.O.Saint Johns, MI 488791073585444
  5. Steve Lasater, M.D.Saint Johns, MI 488791619930674
  6. Maria Livieratos, MDSaint Johns, MI 488791316028400
  7. Andrew Messenger, D.O.Saint Johns, MI 488791073543666
  8. Gerrit Vanderlugt, D.O.Saint Louis, MI 488801477550689

Common questions

What is Taylor Thelen, D.O.'s NPI number?

Taylor Thelen, D.O.'s National Provider Identifier (NPI) is 1548552516, issued on May 10, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Taylor Thelen, D.O. located?

The NPPES record lists a practice address at 1005 S US Highway 27, Saint Johns, MI, 48879. Phone: (989) 224-3000. Providers update this record themselves, so call before visiting.

How can I verify Taylor Thelen, D.O.'s license?

NPPES lists Michigan license number 5101019134, 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 Taylor Thelen, D.O. prescribe under Medicare Part D?

In 2024, Taylor Thelen, D.O. had 11,120 Medicare Part D claims for 921 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.