Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Jeffrey Steven Nahmias, M.D.

Sleep Medicine (Internal Medicine) Physician in Summit, NJ · enumerated 2006.

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

National Provider Identifier

1881654036

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Dr. Jeffrey Steven Nahmias

Credential M.D.

Sex Male

Practice address 1 Springfield Ave, Summit, NJ, 07901

Phone (908) 934-0555

Fax (908) 934-0556

Enumeration date Mar 23, 2006

Last updated in NPPES Jul 21, 2022

Taxonomy & licenses

207RS0012X Sleep Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License MA40078 (NJ) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
0625809-01	Medicaid	NJ	-
MA40078	Other	NJ	NJ MEDICAL LICENCE MNUMB

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 Jeffrey Nahmias?

The National Provider Identifier (NPI) for Jeffrey Nahmias is 1881654036, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jeffrey Nahmias practice?

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

Other providers at this practice address

Browse all →

Federico Cerrone Sleep Medicine (Internal Medicine) Physician · Summit, NJ NPI 1184625220 Robert Restifo Pulmonary Disease Physician · Summit, NJ NPI 1760483804 Edward Dimitry Pulmonary Disease Physician · Summit, NJ NPI 1275534323 Louis Messano Physician Assistant · Summit, NJ NPI 1568463636 Frederic Scoopo Pulmonary Disease Physician · Summit, NJ NPI 1750382818 Robert Sussman Specialist · Summit, NJ NPI 1831190990 Erwin Oei Pulmonary Disease Physician · Summit, NJ NPI 1659373421 Pulmonary & Allergy Associates, PA Specialist · Summit, NJ NPI 1346280518

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-21.