Provider Profile
Richard A. Greendyk
Unclaimed ProfileAbout Richard Greendyk
Based in New York, NY, Richard A. Greendyk is listed in the NPI registry under critical care medicine. Richard graduated from Northwestern University Feinberg Medical School in 2017.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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
- (212) 305-4141
- Email not available
Practice Locations
622 W 168TH ST PH 8-101
New York, NY 10032
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
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.
Other critical care physicians in New York 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Northwestern University Feinberg Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 2017 at Northwestern University Feinberg Medical School 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Richard A. Greendyk specialize in?
Richard A. Greendyk is a critical care physician in New York, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Critical Care Medicine”.
NPI registry
Where is Richard A. Greendyk located?
Richard A. Greendyk is listed at 622 W 168Th St Ph 8-101, New York, NY 10032. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Richard A. Greendyk's phone number?
The number on file is (212) 305-4141. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Richard A. Greendyk's NPI number?
Richard A. Greendyk's National Provider Identifier is 1144612888. 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 Richard A. Greendyk train?
Richard A. Greendyk attended Northwestern University Feinberg Medical School, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How long has Richard A. Greendyk been practicing?
Richard A. Greendyk has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
Has Richard A. Greendyk confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Richard A. Greendyk. 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.