Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

DR. THOMAS ZEFFIRO MD, PHD
NPI 1700799277
Psychiatry & Neurology - Neurology in Potomac, MD

Q: What is Thomas Zeffiro's NPI number?

The NPI number for Thomas Zeffiro is 1700799277. It was assigned to this individual provider in the NPPES registry on September 25, 2026.

Q: What is Thomas Zeffiro's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Q: When was this NPI record last updated?

The NPPES record for Thomas Zeffiro was last updated on September 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 25, 2026

11508 LUVIE CT, POTOMAC, MD 20854(301) 906-3472 Get Directions Write a Review

NPPES record added: September 25, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

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About Dr. Thomas Zeffiro Md, Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. THOMAS ZEFFIRO MD, PHD (NPI 1700799277) is an individual neurology provider in Potomac, Maryland, licensed in Maryland (D0045842) and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1700799277

Entity TypeIndividualMale

Primary Taxonomy2084N0400X

Provider Legal NameDR. THOMAS ZEFFIROCredential: MD, PHD

Location Address11508 LUVIE CTPotomac, MD 20854-1175

Mailing Address11508 Luvie CtPotomac, MD 20854-1175 · (301) 906-3472

Phone(301) 906-3472

Sole ProprietorYes

Enumeration DateSeptember 25, 2026

NPPES CertifiedSeptember 25, 2026

✔ NPI 1700799277 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

License✔ Licensed in MD · D0045842

Definition

A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

11508 LUVIE CT, Potomac, MD 20854

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thomas Zeffiro's NPI number?

The NPI number for Thomas Zeffiro is 1700799277. It was assigned to this individual provider in the NPPES registry on September 25, 2026.

Where is Thomas Zeffiro located?

Thomas Zeffiro practices at 11508 Luvie Ct, Potomac, MD 20854. The listed phone number is (301) 906-3472.

What is Thomas Zeffiro's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

When was this NPI record last updated?

The NPPES record for Thomas Zeffiro was last updated on September 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.