Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Gail Quackenbush, M.D.

Diagnostic Radiology Physician in Tenafly, NJ · enumerated 2006.

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

National Provider Identifier

1245271048

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Registry record

Entity type Individual (Type 1)

Name Dr. Gail Quackenbush

Credential M.D.

Sex Female

Practice address 56 Downey Dr, Tenafly, NJ, 07670

Phone (201) 694-0674

Enumeration date Jun 10, 2006

Last updated in NPPES Apr 19, 2013

Taxonomy & licenses

2085U0001X Diagnostic Ultrasound Physician Allopathic & Osteopathic Physicians · License 25MA06068500 (NJ) Secondary

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 25MA06068500 (NJ) Primary

2085P0229X Pediatric Radiology Physician Allopathic & Osteopathic Physicians · License 25MA06068500 (NJ) Secondary

207ZC0500X Cytopathology Physician Allopathic & Osteopathic Physicians · License 25MA06068500 (NJ) Secondary

2085B0100X Body Imaging Physician Allopathic & Osteopathic Physicians · License 25MA06068500 (NJ) Secondary

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Gail Quackenbush?

The National Provider Identifier (NPI) for Gail Quackenbush is 1245271048, a Type 1 (individual) record in the CMS NPPES registry.

Where does Gail Quackenbush practice?

The practice location on file with NPPES is in Tenafly, NJ. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-04-19.