Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Barbara Miriam Chubak, M.D.
Urology Physician in New York, NY · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1891091591
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Registry record
Entity type Individual (Type 1)
Name Dr. Barbara Miriam Chubak
Credential M.D.
Sex Female
Practice address 255 Greenwich St Ste 510, New York, NY, 10007
Phone (122) 298-2720
Enumeration date Jan 28, 2011
Last updated in NPPES Nov 29, 2018
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Barbara Chubak practice?
The practice location on file with NPPES is in New York, NY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Barbara Chubak?
The National Provider Identifier (NPI) for Barbara Chubak is 1891091591, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-11-29.