Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Holly Hendin, M.D., PH.D.

Q: What is the NPI number for Holly Hendin?

The National Provider Identifier (NPI) for Holly Hendin is 1891990537, a Type 1 (individual) record in the CMS NPPES registry.

Psychiatry Physician in Phoenix, AZ · enumerated 2007.

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

National Provider Identifier

1891990537

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Registry record

Entity type Individual (Type 1)

Name Dr. Holly Hendin

Credential M.D., PH.D.

Sex Female

Practice address 500 W Thomas Rd Ste 230, Phoenix, AZ, 85013

Phone (602) 406-9999

Fax (602) 406-8099

Enumeration date Jun 20, 2007

Last updated in NPPES Dec 11, 2024

Taxonomy & licenses

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License 44218 (AZ) Primary

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

Where does Holly Hendin practice?

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

What is the NPI number for Holly Hendin?

The National Provider Identifier (NPI) for Holly Hendin is 1891990537, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Douglas Stockwell Psychiatry Physician · Phoenix, AZ NPI 1518918416 Jason Caplan Psychiatry Physician · Phoenix, AZ NPI 1538196456 A. Morgan Psychiatry Physician · Phoenix, AZ NPI 1982704409 Cynthia Monheim-Janss Psychologist · Phoenix, AZ NPI 1376611467 Allison O'Mara Psychologist · Phoenix, AZ NPI 1982843355 Dawn Benford Psychiatric/Mental Health Nurse Practitioner · Phoenix, AZ NPI 1538497110 Timothy Markantes Psychiatric/Mental Health Nurse Practitioner · Phoenix, AZ NPI 1972879211 Sarah Anderson Psychiatric/Mental Health Nurse Practitioner · Phoenix, AZ NPI 1932519667

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-12-11.