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Edit this profileAt a glance
- 160 N Midland Ave, Nyack, NY 10960
About Stephen Armstrong
Listed in the NPI registry as a physician assistant, Stephen S. Armstrong, PA-C practices in Nyack, NY. According to Medicare claims data, Stephen cared for 97 Medicare patients across 97 services. The services billed most often include emergency department visit with high level of medical decision making, emergency department visit with moderate level of medical decision making, and emergency department visit with low level of medical decision making. NPI 1821830068 identifies this record in the national registry.
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
- (845) 348-2000
- Email not available
Practice Locations
160 N MIDLAND AVE
Nyack, NY 10960
Procedures Most Often Billed to Medicare
97 services · 97 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
46 | As often as other peers in Physician Assistant |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
34 | As often as other peers in Physician Assistant |
| Emergency department visit with low level of medical decision making | Office visit | 99283 |
17 | As often as other 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 6
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 — 19 related providers in 3 groups
Other physician assistants in Nyack 3
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2024 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Stephen S. Armstrong specialize in?
Stephen S. Armstrong is a physician assistant in Nyack, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Stephen S. Armstrong located?
Stephen S. Armstrong is listed at 160 N Midland Ave, Nyack, NY 10960. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Stephen S. Armstrong's phone number?
The number on file is (845) 348-2000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Stephen S. Armstrong's NPI number?
Stephen S. Armstrong's National Provider Identifier is 1821830068. 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 Stephen S. Armstrong train?
Stephen S. Armstrong attended Other, graduating in 2024. This comes from the CMS National Downloadable File.
CMS public data
How long has Stephen S. Armstrong been practicing?
Stephen S. Armstrong has 2 years experience. Calculated from a graduation year of 2024, reported in the CMS National Downloadable File.
CMS public data
What does Stephen S. Armstrong do most often?
According to Medicare billing data, Stephen S. Armstrong 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 Stephen S. Armstrong confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Stephen S. Armstrong. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.