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Edit this profileAt a glance
- 100 Nicolls Road, Hsc T12 Rm 080, Stony Brook, NY 11794
About Maritza Sierra
Maritza Sierra, PA-C is a physician assistant practicing in Stony Brook, NY. According to Medicare claims data, Maritza cared for 43 Medicare patients across 43 services. The services billed most often include emergency department visit with straightforward medical decision making. This provider record is associated with NPI 1225804602.
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
- (631) 444-1116
- Email not available
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Practice Locations
100 NICOLLS ROAD HSC T12 RM 080
Stony Brook, NY 11794
Procedures Most Often Billed to Medicare
43 services · 43 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Emergency department visit with straightforward medical decision making | Office visit | 99282 |
43 | More 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 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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 Stony Brook 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2023 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Maritza Sierra's specialty?
Maritza Sierra is a physician assistant in Stony Brook, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Maritza Sierra?
Maritza Sierra is listed at 100 Nicolls Road Hsc T12 Rm 080, Stony Brook, NY 11794. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Maritza Sierra?
The number on file is (631) 444-1116. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Maritza Sierra's NPI number?
Maritza Sierra's National Provider Identifier is 1225804602. 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 Maritza Sierra's education?
Maritza Sierra attended Other, graduating in 2023. This comes from the CMS National Downloadable File.
CMS public data
How long has Maritza Sierra been practicing?
Maritza Sierra has 3 years experience. Calculated from a graduation year of 2023, reported in the CMS National Downloadable File.
CMS public data
What is Maritza Sierra known for?
According to Medicare billing data, Maritza Sierra 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
Has Maritza Sierra confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Maritza Sierra. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.