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MARK HASSLER
NPI 1871789735
Nurse Practitioner - Acute Care in Fort Sam Houston, TX

Active since September 24, 2007
3851 ROGER BROOKE DR, BROOKE ARMY MEDICAL CENTER, FORT SAM HOUSTON, TX 78234(210) 221-5212(270) 956-0180 Get Directions Write a Review

NPPES record last updated: October 8, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mark Hassler NPPES

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

MARK HASSLER (NPI 1871789735) is an individual acute care provider in Fort Sam Houston, Texas, licensed in Tennessee (0000012787) and active in the NPI registry since September 2007.

NPPES Registry Identity

NPI1871789735
Entity TypeIndividualMale
Primary Taxonomy363LA2100X
Provider Legal NameMARK HASSLER
Location Address3851 ROGER BROOKE DR, BROOKE ARMY MEDICAL CENTERFort Sam Houston, TX 78234-4501
Mailing Address3851 Roger Brooke Dr, Brooke Army Medical CenterFort Sam Houston, TX 78234-4501 · (210) 221-5212 · Fax (270) 956-0180
Phone(210) 221-5212
Fax(270) 956-0180
Sole ProprietorNo
Enumeration DateSeptember 24, 2007
Last NPPES UpdateOctober 8, 2010
✔ NPI 1871789735 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in TN · 0000012787
3851 ROGER BROOKE DR, Fort Sam Houston, TX 78234
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Other Identifiers 1

OtherVAD000TN · Upin

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.

MARGARET JACKSON PSY.D.
Psychologist
3851 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-1600
DR. RAJNIKANT C PATEL M.D
Anesthesiology (Critical Care Medicine)
3851 ROGER BROOKE DR, MCHE-QD (CREDENTIALS)
FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-2118
FRANCIS KOBINA AGYAPONG NP
Nurse Practitioner (Acute Care)
3851 ROGER BROOKE DR, BROOKE ARMY MEDICAL CENTER, MCHE-QD(CREDS)
FORT SAM HOUSTON, TX 78234
Bexar County (719) 466-0576
MS. NATALIE R CHANG-MASON
Occupational Therapy Assistant
3851 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-5805
CONRAD GREGORY HAWKINS
Physical Therapist
3851 ROGER BROOKE DR, MCHE-QD (CRENDENTIALS)
FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-2460
DR. CRAIG CAMPBELL MCFARLAND MD
Anesthesiology
3851 ROGER BROOKE DR, MCHE-QD (CREDS)
FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-2460
ANDRE JOHN OGNIBENE MD
Internal Medicine
3851 ROGER BROOKE DR, MCHE-QD (CREDS)
FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-5993
DR. MICHAEL DAY DULLEA M.D.
Radiology (Therapeutic Radiology)
3851 ROGER BROOKE DR, MCHE-QD (CREDENTIALS)
FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-5046

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 Mark Hassler's NPI number?

The NPI number for Mark Hassler is 1871789735. It was assigned to this individual provider in the NPPES registry on September 24, 2007.

Where is Mark Hassler located?

Mark Hassler practices at 3851 Roger Brooke Dr Brooke Army Medical Center, Fort Sam Houston, TX 78234. The listed phone number is (210) 221-5212.

What is Mark Hassler's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

When was this NPI record last updated?

The NPPES record for Mark Hassler was last updated on October 8, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years 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.