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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DAVID CALLAHAN SCHAFF M.D.
NPI 1861441479
Radiology - Diagnostic Radiology in Nacogdoches, TX

Active since May 09, 2006
1023 N MOUND ST, SUITE F, NACOGDOCHES, TX 75961(936) 569-0841 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About David Callahan Schaff M.d. NPPES

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

DAVID CALLAHAN SCHAFF M.D. (NPI 1861441479) is an individual diagnostic radiology provider in Nacogdoches, Texas, licensed in Texas (F9011) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1861441479
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDAVID CALLAHAN SCHAFFCredential: M.D.
Location Address1023 N MOUND ST, SUITE FNacogdoches, TX 75961-4491
Mailing AddressPo Box 5370Longview, TX 75608-5370 · (903) 663-4800
Phone(936) 569-0841
Sole ProprietorNo
Enumeration DateMay 9, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1861441479 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in TX · F9011
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
1023 N MOUND ST, Nacogdoches, TX 75961
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Other Providers at the Same Location NPPES 10

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

MRS. CHELSEA DURAPAU BERTRAND FNP-C
Family Medicine
1023 N MOUND ST
NACOGDOCHES, TX 75961
Nacogdoches County (936) 585-4646
VIJAYA R POKALA M.D., F.A.C.C.
Internal Medicine (Interventional Cardiology)
1023 N MOUND ST, SUITE K
NACOGDOCHES, TX 75961
Nacogdoches County (936) 564-2099
NACOGDOCHES FAMILY PRACTICE, PA
Family Medicine
1023 N MOUND ST, SUITE A
NACOGDOCHES, TX 75961
Nacogdoches County (936) 564-2691
GRIFFITH FAMILY MEDICINE, PLLC
Family Medicine
1023 N MOUND ST, SUITE A
NACOGDOCHES, TX 75961
Nacogdoches County (936) 564-2691
NACOGDOCHES CARDIAC IMAGING CENTER PLLC
Clinic/Center
1023 N MOUND ST, SUITE L
NACOGDOCHES, TX 75961
Nacogdoches County (936) 564-2637
MARIA L DELEON MD
Psychiatry & Neurology (Neurology)
1023 N MOUND ST, SUITE I
NACOGDOCHES, TX 75961
Nacogdoches County (936) 552-7400
DR. EDWIN CONCERMAN EMBORGO MD
Family Medicine
1023 N MOUND ST, SUITE A
NACOGDOCHES, TX 75961
Nacogdoches County (936) 564-2691
NACOGDOCHES CARDIAC CENTER, P.A.
Nuclear Medicine (Nuclear Cardiology)
1023 N MOUND ST, SUITE K
NACOGDOCHES, TX 75961
Nacogdoches County (936) 564-2099

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 David Schaff's NPI number?

The NPI number for David Schaff is 1861441479. It was assigned to this individual provider in the NPPES registry on May 9, 2006.

Where is David Schaff located?

David Schaff practices at 1023 N Mound St Suite F, Nacogdoches, TX 75961. The listed phone number is (936) 569-0841.

What is David Schaff's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

When was this NPI record last updated?

The NPPES record for David Schaff was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.