NPPES file of Aug 9, 2026

Andrew W. Messenger, D.O.

Family Medicine Physician · Saint Johns, MI

Andrew W. Messenger, D.O. is a family medicine physician with a practice address in Saint Johns, Michigan, and NPI 1073543666, issued on Jul 3, 2006. Check the license (Michigan 510100741, 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
1073543666
Name
Andrew W. Messenger
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
510100741 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
Jul 3, 2006
Record last updated
Aug 11, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(989) 224-1424
Medicaid ID
3026539 MI
Medicare enrollment
Enrolled (PECOS I20100126000343); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Osteopathic Medicine, 1977
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. Justin Morris, PA-CMedical Physician Assistant1275991937
  3. Lois Rodgers, P.T.Physical Therapist1598908261
  4. Maria Thelen, P.A.-C.Physician Assistant1639115165
  5. Taylor Thelen, D.O.Family Medicine Physician1548552516
  6. Kristine Tuchek, P.A. -CMedical Physician Assistant1770750101

Verify Andrew W. Messenger 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 510100741
    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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2.5 times the Medicare Part D claims of the average family medicine physician in 2024

8,997 Medicare Part D claims for 1,190 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. 439 claims were for opioids.

  1. Andrew Messenger8,997
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium517 claims
  2. Amlodipine Besylate384 claims
  3. Levothyroxine Sodium338 claims
  4. Lisinopril297 claims
  5. Omeprazole252 claims
  6. Hydrocodone-Acetaminophen231 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.

Industry payments in 2024: $13.76

1 payment: education; the largest payer was Takeda Pharmaceuticals U.S.A., Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Andrew Messenger$13.76
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 3 group practices

  1. Clinton County Medical Center PCSaint Johns, MI
  2. Clinton County Medical Center Psychological Services PLLCSaint Johns, MI
  3. Outpatient Urgent Care HealthcenterSaint Johns, MI

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

Andrew W. Messenger among 6,013 family medicine physician records in Michigan

Andrew W. Messenger, 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 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
  • Graduated1977 · median 2008 among the 3,493 with a school on file
  • Record last updated2016 · 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. Taylor Thelen, D.O.Saint Johns, MI 488791548552516
  8. Gerrit Vanderlugt, D.O.Saint Louis, MI 488801477550689

Common questions

What is Andrew W. Messenger, D.O.'s NPI number?

Andrew W. Messenger, D.O.'s National Provider Identifier (NPI) is 1073543666, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Andrew W. Messenger, 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 Andrew W. Messenger, D.O.'s license?

NPPES lists Michigan license number 510100741, 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 Andrew W. Messenger, D.O. prescribe under Medicare Part D?

In 2024, Andrew W. Messenger, D.O. had 8,997 Medicare Part D claims for 1,190 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.