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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Si Zhang, D.O.

Pain Medicine (Anesthesiology) Physician in Stamford, CT · enumerated 2013.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1306282652

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Registry record

Entity type Individual (Type 1)
Name Dr. Si Zhang
Credential D.O.
Sex Male
Practice address 29 Hospital Plz Ste 602, Stamford, CT, 06902
Phone (203) 276-2451
Fax (203) 276-2452
Enumeration date May 14, 2013
Last updated in NPPES Jul 21, 2022

Taxonomy & licenses

207LP2900X Pain Medicine (Anesthesiology) Physician Allopathic & Osteopathic Physicians · License 61066 (CT) Primary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO 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.

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Frequently asked questions

How do I verify Si Zhang's NPI record?
Cross-check NPI 1306282652 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1306282652 active?
Yes, as of the latest NPPES snapshot, NPI 1306282652 is active (record last updated 2022-07-21).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-21.