Walter Thad Rathkamp, M.D.
Family Medicine Physician · Freeland, MI
Walter Thad Rathkamp, M.D. is a family medicine physician with a practice address in Freeland, Michigan, and NPI 1164406146, issued on Dec 2, 2005. Check the license (Michigan 4301068143, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Walter Thad Rathkamp
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 4301068143 MI
Self-reported in NPPES; status is on the state search - Practice location
- 7340 Midland RD, Freeland, MI 48623
- Phone
- (989) 695-8014
- Enumerated
- Dec 2, 2005
- Record last updated
- Oct 11, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (989) 695-5810
- Medicaid ID
- 4527494 MI
- Medicare enrollment
- Enrolled (PECOS I20031204000783); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Also registered at 7340 Midland RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Strzynski, NPFamily Nurse Practitioner1689257784
Verify Walter Thad Rathkamp in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301068143Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average family medicine physician in 2024
7,847 Medicare Part D claims for 464 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. 29 claims were for opioids.
Most prescribed
- Atorvastatin Calcium640 claims
- Amlodipine Besylate443 claims
- Metoprolol Succinate347 claims
- Levothyroxine Sodium316 claims
- Lisinopril188 claims
- Telmisartan187 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: $361.50
20 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Covenant Medical Center IncFreeland, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Walter Thad Rathkamp among 6,013 family medicine physician records in Michigan
Walter Thad Rathkamp, M.D. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 89% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1996 · median 2008 among the 3,493 with a school on file
- Record last updated2018 · 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).
4 family medicine physician records list a practice address in Freeland
They are 4 of the 172 NPPES records with a practice address in Freeland, and 6,013 family medicine physician records in Michigan.
All 6,013 in Michigan → Every provider in Freeland → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ali Hamade, M.DFreeland, MI 486231871723536
- Julia Kerwin, MDFreeland, MI 486231619557956
- Kenneth Mackinnon, M.D.Freeland, MI 486231245284124
- Evangeline Ancheta, M.D.Gladwin, MI 486241841215423
- Marcelino Barreto, M.D.Gladwin, MI 486241174548747
- Renee Fuller, M.D.Gladwin, MI 486241972731370
- Daniel Goodin, MDGladwin, MI 486241992119028
- Kristen Hyatt, PA-CFarwell, MI 486221952170151
Common questions
What is Walter Thad Rathkamp, M.D.'s NPI number?
Walter Thad Rathkamp, M.D.'s National Provider Identifier (NPI) is 1164406146, issued on Dec 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Walter Thad Rathkamp, M.D. located?
The NPPES record lists a practice address at 7340 Midland RD, Freeland, MI, 48623. Phone: (989) 695-8014. Providers update this record themselves, so call before visiting.
How can I verify Walter Thad Rathkamp, M.D.'s license?
NPPES lists Michigan license number 4301068143, 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 Walter Thad Rathkamp, M.D. prescribe under Medicare Part D?
In 2024, Walter Thad Rathkamp, M.D. had 7,847 Medicare Part D claims for 464 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.