NPPES file of Aug 9, 2026

Robert L. Chadwick, D.O.

Family Medicine Physician · Frankenmuth, MI

Robert L. Chadwick, D.O. is a family medicine physician with a practice address in Frankenmuth, Michigan, and NPI 1740220870, issued on Jun 7, 2006. Check the license (Michigan 5101007818, 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
1740220870
Name
Robert L. Chadwick
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
5101007818 MI
Self-reported in NPPES; status is on the state search
Practice location
154 S Main St Ste 6, Frankenmuth, MI 48734
Phone
(989) 502-1122
Enumerated
Jun 7, 2006
Record last updated
Jun 11, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(989) 502-1212
Medicaid ID
4850686 MI
Medicare enrollment
Enrolled (PECOS I20050120000322); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Osteopathic Medicine, 1979
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 154 S Main St Ste 6

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

  1. Lauren Surrock, PAPhysician Assistant1033493309
  2. Abigail Weirauch, FNP-BCFamily Nurse Practitioner1508465543

Verify Robert L. Chadwick 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 5101007818
    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

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99% fewer Medicare Part D claims than the average family medicine physician in 2024

50 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Robert Chadwick50
  2. Specialty average3,544

Most prescribed

  1. Bisoprolol Fumarate13 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. Frankenmuth Medical Associates PLLCFrankenmuth, MI

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

14 family medicine physician records list a practice address in Frankenmuth

They are 14 of the 160 NPPES records with a practice address in Frankenmuth, and 6,013 family medicine physician records in Michigan.

Other family medicine physician records in Michigan

  1. Asma AbbasHamtramck, MI1982946463
  2. Saadia Abbas, MDChesterfield, MI1619136868
  3. Faezeh AbbasiMonroe, MI1144065921
  4. Layla Abbasi, MDWayne, MI1346177607
  5. Marisa Abbo, DORochester Hills, MI1184605388
  6. Cathleen Abbott, M.D.East Lansing, MI1275630501
  7. Leah Abbott, MDGwinn, MI1760987341
  8. Nina Abboud, DORochester Hills, MI1639750557
  9. Ryan Abboud, DOBingham Farms, MI1104353077
  10. Christina Abd, MDSterling Heights, MI1770371965

Common questions

What is Robert L. Chadwick, D.O.'s NPI number?

Robert L. Chadwick, D.O.'s National Provider Identifier (NPI) is 1740220870, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert L. Chadwick, D.O. located?

The NPPES record lists a practice address at 154 S Main St Ste 6, Frankenmuth, MI, 48734. Phone: (989) 502-1122. Providers update this record themselves, so call before visiting.

How can I verify Robert L. Chadwick, D.O.'s license?

NPPES lists Michigan license number 5101007818, 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 Robert L. Chadwick, D.O. prescribe under Medicare Part D?

In 2024, Robert L. Chadwick, D.O. had 50 Medicare Part D claims; 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.