Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. NICHOLAS STAVROS SHAFFER MD
NPI 1396324240
Psychiatry & Neurology - Sleep Medicine in San Antonio, TX

Q: What is Nicholas Shaffer's NPI number?

The NPI number for Nicholas Shaffer is 1396324240. It was assigned to this individual provider in the NPPES registry on April 7, 2021.

Q: What is Nicholas Shaffer's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Sleep Medicine, with taxonomy code 2084S0012X.

Q: When was this NPI record last updated?

The NPPES record for Nicholas Shaffer was last updated on September 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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 April 07, 2021

7400 MERTON MINTER ST, SAN ANTONIO, TX 78229(210) 617-5300 Get Directions Write a Review

NPPES record last updated: September 8, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Sep 8, 2026, Jul 28, 2026, Jul 11, 2025 and 5 more (8 updates tracked since 2021).

On this page

About Dr. Nicholas Stavros Shaffer Md NPPES

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

DR. NICHOLAS STAVROS SHAFFER MD (NPI 1396324240) is an individual sleep medicine provider in San Antonio, Texas, licensed in Texas (U8587) and active in the NPI registry since April 2021.

NPPES Registry Identity

NPI1396324240

Entity TypeIndividualMale

Primary Taxonomy2084S0012X

Provider Legal NameDR. NICHOLAS STAVROS SHAFFERCredential: MD

Location Address7400 MERTON MINTER STSan Antonio, TX 78229-4404

Mailing Address7400 Merton Minter StSan Antonio, TX 78229-4404 · (210) 617-5300

Phone(210) 617-5300

Sole ProprietorYes

Enumeration DateApril 7, 2021

Last NPPES UpdateSeptember 8, 20268 updates tracked since enumeration

NPPES CertifiedSeptember 8, 2026

✔ NPI 1396324240 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Sleep MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2084S0012X

License✔ Licensed in TX · U8587

Definition

A Psychiatrist or Neurologist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.

7400 MERTON MINTER ST, San Antonio, TX 78229

Open in Google Maps ↗

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. UTE ANNA HALL LCSW

Social Worker

7400 MERTON MINTER ST, MAILCODE 122
SAN ANTONIO, TX 78229

Bexar County (210) 617-5300

DR. JOHN GIBBONS JORDAN JR. M.D., M.P.H.

Preventive Medicine (Public Health & General Preventive Medicine)