Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Morton I Davidson, MD

Internal Medicine Physician in New York, NY · enumerated 2006.

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

National Provider Identifier

1023081312

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Registry record

Entity type Individual (Type 1)

Name Morton I Davidson

Credential MD

Sex Male

Practice address 55 E 34th St, New York, NY, 10016

Phone (212) 252-6005

Fax (212) 252-6179

Enumeration date Feb 8, 2006

Last updated in NPPES Aug 29, 2012

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 084267 (NY) 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

What is the NPI number for Morton Davidson?

The National Provider Identifier (NPI) for Morton Davidson is 1023081312, a Type 1 (individual) record in the CMS NPPES registry.

Where does Morton Davidson practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-08-29.