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

STEPHEN EDWARD GREEFKENS D.O.
NPI 1649246356
Pediatrics - Developmental - Behavioral Pediatrics in Fort Sam Houston, TX

Active since February 23, 2006
3851 ROGER BROOKE DR, MCHE-DP, FORT SAM HOUSTON, TX 78234(210) 916-0765(210) 916-1254 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Stephen Edward Greefkens D.o. NPPES

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

STEPHEN EDWARD GREEFKENS D.O. (NPI 1649246356) is an individual developmental - behavioral pediatrics provider in Fort Sam Houston, Texas, licensed in California (20A5077) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1649246356
Entity TypeIndividualMale
Primary Taxonomy2080P0006X
Provider Legal NameSTEPHEN EDWARD GREEFKENSCredential: D.O.
Location Address3851 ROGER BROOKE DR, MCHE-DPFort Sam Houston, TX 78234-4501
Mailing Address3851 Roger Brooke Dr, Mche-dpSan Antonio, TX 78234-4501 · (210) 916-0765 · Fax (210) 916-1254
Phone(210) 916-0765
Fax(210) 916-1254
Sole ProprietorNo
Enumeration DateFebruary 23, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1649246356 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Developmental - Behavioral PediatricsAllopathic & Osteopathic Physicians
Taxonomy Code2080P0006X
License✔ Licensed in CA · 20A5077
Definition
A developmental-behavioral specialist is a pediatrician with special training and experience who aims to foster understanding and promotion of optimal development of children and families through research, education, clinical care and advocacy efforts. This physician assists in the prevention, diagnosis, and management of developmental difficulties and problematic behaviors in children and in the family dysfunctions that compromise children's development.
3851 ROGER BROOKE DR, Fort Sam Houston, TX 78234
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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 Stephen Greefkens's NPI number?

The NPI number for Stephen Greefkens is 1649246356. It was assigned to this individual provider in the NPPES registry on February 23, 2006.

Where is Stephen Greefkens located?

Stephen Greefkens practices at 3851 Roger Brooke Dr Mche-Dp, Fort Sam Houston, TX 78234. The listed phone number is (210) 916-0765.

What is Stephen Greefkens's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Developmental - Behavioral Pediatrics, with taxonomy code 2080P0006X.

When was this NPI record last updated?

The NPPES record for Stephen Greefkens was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 43 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.