Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. David L Chastain, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1790870145

Dr. David L Chastain, MD is an Obstetrics/Gynecology in Amarillo, Texas. Qualified in 1974, 52 years ago. Practices with Obhg Texas Holdings PA, a 177-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
52
Licensed in
TX
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1301 S Coulter Ste 300
Amarillo, TX 79106
Phone: (806) 355-6330
Fax: (806) 351-0950
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence E2508 (TX)

Record details

NPI number1790870145
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 3, 2006
Last updated in NPPESJuly 8, 2007
Mailing address1301 S. Coulter, Suite 300, Amarillo, TX 79106

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolOTHER
Graduated 1974 (52 years in practice)
Group practice Obhg Texas Holdings Pa — 177 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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