Donald J. Tynes, M.D.
Internal Medicine Physician · Benton Harbor, MI
Donald J. Tynes, M.D. is an internal medicine physician with a practice address in Benton Harbor, Michigan, and NPI 1609851153, issued on Dec 7, 2005. Check the license (Michigan 4301065652, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Donald J. Tynes
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 4301065652 MI
Self-reported in NPPES; status is on the state search - Practice location
- 756 Pipestone St, Benton Harbor, MI 49022
- Phone
- (269) 926-8535
- Enumerated
- Dec 7, 2005
- Record last updated
- Mar 20, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (269) 926-8528
- Medicaid ID
- 4662247-10 MI
- Medicare enrollment
- Enrolled (PECOS I20041207000163); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 756 Pipestone St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aubin Sandio, MDStudent in an Organized Health Care Education/Training Program1164244992
Verify Donald J. Tynes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301065652Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% more Medicare Part D claims than the average internal medicine physician in 2024
5,529 Medicare Part D claims for 248 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 11 claims were for opioids.
Most prescribed
- Amlodipine Besylate529 claims
- Atorvastatin Calcium337 claims
- Losartan Potassium332 claims
- Carvedilol159 claims
- Metformin Hcl132 claims
- Tamsulosin Hcl118 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: $973.24
29 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Donald J. Tynes among 5,735 internal medicine physician records in Michigan
Donald J. Tynes, M.D. is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% 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, 90% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1995 · median 2006 among the 3,564 with a school on file
- Record last updated2019 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 internal medicine physician records list a practice address in Benton Harbor
They are 7 of the 990 NPPES records with a practice address in Benton Harbor, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Benton Harbor → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Maria CortezBenton Harbor, MI 490221346258092
- Lisa Fink, MDBenton Harbor, MI 490221558303958
- Jegan Jabez, M.D.Benton Harbor, MI 490221073694006
- Sachcihidana Jha, M.D.Benton Harbor, MI 490221295709863
- Linda Mammen, MDBenton Harbor, MI 490221831578988
- Mark Obrien, MDBenton Harbor, MI 490221841221348
- Madhu Batchu, M.D.Portage, MI 490241174691604
- Jeffrey Coppinger, MDPortage, MI 490241043280506
Common questions
What is Donald J. Tynes, M.D.'s NPI number?
Donald J. Tynes, M.D.'s National Provider Identifier (NPI) is 1609851153, issued on Dec 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Donald J. Tynes, M.D. located?
The NPPES record lists a practice address at 756 Pipestone St, Benton Harbor, MI, 49022. Phone: (269) 926-8535. Providers update this record themselves, so call before visiting.
How can I verify Donald J. Tynes, M.D.'s license?
NPPES lists Michigan license number 4301065652, 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 Donald J. Tynes, M.D. prescribe under Medicare Part D?
In 2024, Donald J. Tynes, M.D. had 5,529 Medicare Part D claims for 248 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.