Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Saul M Greenbaum, MD

Allergy & Immunology (Internal Medicine) Physician in Memphis, TN · enumerated 2014 · practices at Allergyone, Pllc.

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

National Provider Identifier

1851707616

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Registry record

Entity type Individual (Type 1)

Name Saul M Greenbaum

Credential MD

Sex Male

Practice address 995 S Yates Rd Ste 3, Memphis, TN, 38119

Phone (901) 512-8258

Fax (901) 252-0055

Enumeration date Jul 1, 2014

Last updated in NPPES Feb 2, 2022

Taxonomy & licenses

207RA0201X Allergy & Immunology (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 60765 (TN) 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.

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Frequently asked questions

How do I verify Saul Greenbaum's NPI record?

Cross-check NPI 1851707616 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1851707616 active?

Yes, as of the latest NPPES snapshot, NPI 1851707616 is active (record last updated 2022-02-02).

Other providers at this practice address

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Allergyone, Pllc Allergy & Immunology (Internal Medicine) Physician · Memphis, TN NPI 1508537754

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-02-02.