Provider Profile
Marcus C. Niemi, P.A.
Unclaimed ProfileAbout Marcus Niemi
Listed in the NPI registry as a physician assistant, Marcus C. Niemi, P.A. practices in Bronx, NY. Medicare claims data shows Marcus provided 211 services to 137 patients. The services billed most often include critical care, first 30-74 minutes and critical care, each additional 30 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (718) 920-2961
- Email not available
Practice Locations
111 E 210TH ST FL 6
Bronx, NY 10467
Procedures Most Often Billed to Medicare
211 services · 137 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Critical care, first 30-74 minutes | Office visit | 99291 |
195 | More than most peers in Physician Assistant |
| Critical care, each additional 30 minutes | Office visit | 99292 |
16 | 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 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
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 — 22 related providers in 3 groups
Other physician assistants in Bronx 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1999 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Marcus C. Niemi?
Marcus C. Niemi is a physician assistant in Bronx, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Marcus C. Niemi's address?
Marcus C. Niemi is listed at 111 E 210Th St Fl 6, Bronx, NY 10467. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Marcus C. Niemi?
The number on file is (718) 920-2961. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Marcus C. Niemi?
Marcus C. Niemi's National Provider Identifier is 1952438087. 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
Where did Marcus C. Niemi train?
Marcus C. Niemi attended Other, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Marcus C. Niemi have?
Marcus C. Niemi has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What procedures does Marcus C. Niemi perform?
According to Medicare billing data, Marcus C. Niemi 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 Marcus C. Niemi's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Marcus C. Niemi. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.