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Edit this profileAt a glance
- 5445 Ali Dr Dept 320, Grand Blanc, MI 48439
About Dennis Marien
Dennis M. Marien, PA is a physician assistant based in Grand Blanc, MI. Medicare claims data shows Dennis provided 110 services to 57 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1710029079.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (810) 428-1181
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
5445 ALI DR DEPT 320
Grand Blanc, MI 48439
Procedures Most Often Billed to Medicare
110 services · 57 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
89 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
21 | Less often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 23 related providers in 3 groups
Other physician assistants in Grand Blanc 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2006 at Other 7
Providers who graduated from the same medical school in the same year.
Common questions
What is Dennis M. Marien's specialty?
Dennis M. Marien is a physician assistant in Grand Blanc, MI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dennis M. Marien?
Dennis M. Marien is listed at 5445 Ali Dr Dept 320, Grand Blanc, MI 48439. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dennis M. Marien?
The number on file is (810) 428-1181. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dennis M. Marien?
Dennis M. Marien's National Provider Identifier is 1710029079. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dennis M. Marien's education?
Dennis M. Marien attended Other, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dennis M. Marien have?
Dennis M. Marien has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What is Dennis M. Marien known for?
According to Medicare billing data, Dennis M. Marien the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dennis M. Marien's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dennis M. Marien. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.