Robert Max Dyksterhouse, M.D.
Internal Medicine Physician · Ypsilanti, MI
Robert Max Dyksterhouse, M.D. is an internal medicine physician with a practice address in Ypsilanti, Michigan, and NPI 1780810697, issued on Jun 5, 2009. Check the license (Michigan 4301510567, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Robert Max Dyksterhouse
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 4301510567 MI
253101 NY
Self-reported in NPPES; status is on the state search - Practice location
- 4940 W Clark RD Ste 100, Ypsilanti, MI 48197
- Phone
- (734) 971-1188
- Enumerated
- Jun 5, 2009
- Record last updated
- Jan 4, 2024
- Fax
- (734) 971-3658
- Medicare enrollment
- Enrolled (PECOS I20240201002109); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 2006
- 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 4940 W Clark RD Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Bailee SoperClinical Social Worker1548123367
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Verify Robert Max Dyksterhouse in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301510567Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,420 Medicare Part D claims for 392 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 66 claims were for opioids.
Most prescribed
- Atorvastatin Calcium140 claims
- Amlodipine Besylate106 claims
- Lisinopril99 claims
- Omeprazole70 claims
- Metformin Hcl68 claims
- Levothyroxine Sodium64 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
- Iha Health Services CorporationYpsilanti, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Max Dyksterhouse among 5,735 internal medicine physician records in Michigan
Robert Max Dyksterhouse, 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 2009, is newer than 51% of them.
- NPI issued2009 · 51% of these records are older, 46% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2006 · median 2006 among the 3,564 with a school on file
- Record last updated2024 · 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).
198 internal medicine physician records list a practice address in Ypsilanti
They are 198 of the 3,625 NPPES records with a practice address in Ypsilanti, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Ypsilanti → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sabah Al-Attar, M.DYpsilanti, MI 481971285697821
- Imad Ayyar, M.D.Ypsilanti, MI 481971073515268
- Daniel Cahill, M.D.Ypsilanti, MI 481971801897376
- Jack Carman, M.D.Ypsilanti, MI 481971285635474
- John Hopper, MDYpsilanti, MI 481971184680977
- Eugene Liu, M.D.Ypsilanti, MI 481971770584930
- Shyam Mahesh, M.D.Ypsilanti, MI 481971962407569
- Marc Mastropaolo, DOYpsilanti, MI 481971982667002
Common questions
What is Robert Max Dyksterhouse, M.D.'s NPI number?
Robert Max Dyksterhouse, M.D.'s National Provider Identifier (NPI) is 1780810697, issued on Jun 5, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Robert Max Dyksterhouse, M.D. located?
The NPPES record lists a practice address at 4940 W Clark RD Ste 100, Ypsilanti, MI, 48197. Phone: (734) 971-1188. Providers update this record themselves, so call before visiting.
How can I verify Robert Max Dyksterhouse, M.D.'s license?
NPPES lists Michigan license number 4301510567, 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 Max Dyksterhouse, M.D. prescribe under Medicare Part D?
In 2024, Robert Max Dyksterhouse, M.D. had 2,420 Medicare Part D claims for 392 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.