Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Douglas H Bailyn, MD, PC

Organization Internal Medicine Physician · NPI 1710992482

Douglas H Bailyn, MD, PC provides Internal Medicine Physician services in New York, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
Specialties on file
2
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

380 2nd Ave Ste 1002
New York, NY 10010-5615 Not confirmed with CMS for 18 years — call before visiting
Phone: (212) 777-1510
Fax: (212) 375-0539
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 222452 (NY)
Nephrology Physician Taxonomy 207RN0300X · Licence 222452 (NY)

Record details

NPI number1710992482
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Douglas Bailyn — President · (212) 777-1510
NPI enumeratedJuly 30, 2006
Last updated in NPPESApril 2, 2008
Mailing address47 Plaza St W, Apt. 11a, Brooklyn, NY 11217-3905

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