Dennis Michael Marien, PA
Physician Assistant · Grand Blanc, MI
Dennis Michael Marien, PA is a physician assistant with a practice address in Grand Blanc, Michigan, and NPI 1710029079, issued on Feb 13, 2007. Check the license (Michigan 5601004895, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Dennis Michael Marien
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 5601004895 MI
Self-reported in NPPES; status is on the state search - Practice location
- 5445 Ali Dr Dept 320, Grand Blanc, MI 48439
- Phone
- (810) 428-1181
- Enumerated
- Feb 13, 2007
- Record last updated
- Jul 2, 2024
- Medicare enrollment
- Enrolled (PECOS I20070327000699); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 6,989 in Michigan → Look up another NPI →
Also registered at 5445 Ali Dr Dept 320
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Dennis Michael Marien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 5601004895Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% more Medicare Part D claims than the average physician assistant in 2024
1,403 Medicare Part D claims for 206 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 1% of claims.
Most prescribed
- Alprazolam126 claims
- Trazodone Hcl99 claims
- Quetiapine Fumarate93 claims
- Bupropion Xl90 claims
- Clonazepam86 claims
- Duloxetine Hcl86 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: $379.44
18 payments; by number, the most common kind was food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc. The 64,719 providers of this specialty with any payment received $841.65 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
- Cognosis Health HillsideGrand Blanc, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dennis Michael Marien among 6,989 physician assistant records in Michigan
Dennis Michael Marien, PA is one of 6,989 physician assistant records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 17% of them.
- NPI issued2007 · 17% of these records are older, 76% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2006 · median 2017 among the 4,739 with a school on file
- Record last updated2024 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
32 physician assistant records list a practice address in Grand Blanc
They are 32 of the 1,735 NPPES records with a practice address in Grand Blanc, and 6,989 physician assistant records in Michigan.
All 6,989 in Michigan → Every provider in Grand Blanc → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Linda Chute, P.A.Grand Blanc, MI 484391598797136
- Lara Davis, P.A.Grand Blanc, MI 484391740364124
- Rheannon McDonald, P.A.Grand Blanc, MI 484391003918103
- Debbie Movsesian, P.A.-C.Grand Blanc, MI 484391114097326
- Christopher Noth, P.A.Grand Blanc, MI 484391134346281
- Kyle Richter, PAGrand Blanc, MI 484391710089768
- Richard Roodbergen, P.A.Grand Blanc, MI 484391538191176
- Carol Scamehorn, PAGrand Blanc, MI 484391922133214
Common questions
What is Dennis Michael Marien, PA's NPI number?
Dennis Michael Marien, PA's National Provider Identifier (NPI) is 1710029079, issued on Feb 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Dennis Michael Marien, PA located?
The NPPES record lists a practice address at 5445 Ali Dr Dept 320, Grand Blanc, MI, 48439. Phone: (810) 428-1181. Providers update this record themselves, so call before visiting.
How can I verify Dennis Michael Marien, PA's license?
NPPES lists Michigan license number 5601004895, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Dennis Michael Marien, PA prescribe under Medicare Part D?
In 2024, Dennis Michael Marien, PA had 1,403 Medicare Part D claims for 206 beneficiaries; the average among physician assistant prescribers was 830. 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.