NPI Portal NPI Lookup & Verification

John Bertini, DO

John Bertini is a Internal Medicine Physician provider (Internal Medicine) practicing in Endwell, NY, registered in the NPPES registry with NPI 1225267982 since 2009. The credential DO stands for Doctor of Osteopathic Medicine.

✓ Active NPI ✓ Valid NPI checksum

NPI 1225267982
Entity type Individual (Type 1)
Name John Bertini
Credential DO
Sex Male
Practice address 800 HOOPER RD, Endwell, NY, 13760
Phone 6077570444
Fax 6077488984
Enumeration date 2009-07-02
Last updated in NPPES 2012-06-13

Taxonomy & licenses

Taxonomy code Specialty Primary License State
390200000X Student in an Organized Health Care Education/Training Program Secondary
207R00000X Internal Medicine Physician Primary 263736 NY

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

Copy-ready billing details
Provider: John Bertini, DO
NPI: 1225267982
Taxonomy: 207R00000X (Internal Medicine Physician)
Address: 800 HOOPER RD, Endwell, NY, 13760

Other providers at this practice address

NPI Name Type Specialty Location
1659368215 Richard Baron Individual Pulmonary Disease Physician Endwell, NY
1497736540 Benjamin Robinson Individual Pain Medicine (Physical Medicine & Rehabilitation) Physician Endwell, NY
1093772428 Darrell Hunink Individual Physical Medicine & Rehabilitation Physician Endwell, NY
1730135344 Darrell Hunink Physical Therapy P.C. Organization Physical Therapist Endwell, NY
1639105901 Family Audiology, Pllc Organization Audiologist Endwell, NY
1093742181 Marian Goldsmith Individual Audiologist Endwell, NY
1952338675 Kristi Leniek Individual Audiologist Endwell, NY
1205902806 Rabia Mistry Individual Internal Medicine Physician Endwell, NY

Verify this record

Cross-check NPI 1225267982 against the authoritative CMS record: view John Bertini on the official NPPES registry .

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. Read the full guide or validate an NPI number.

Frequently asked questions

How do I verify John Bertini's NPI record?
Cross-check NPI 1225267982 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1225267982 active?
Yes — as of the latest NPPES snapshot, NPI 1225267982 is active (record last updated 2012-06-13).

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2012-06-13.