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

Mark R Klein, DO

Individual provider Family Medicine Physician · NPI 1982686390

Mark R Klein, DO is a Family Practice in Gainesville, Texas. Qualified in 1997, 29 years ago. Accepts Medicare assignment. Licensed in Texas.

Years since qualifying
29
Licensed in
TX
In the registry since
2005
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

1625 N Grand Ave
Gainesville, TX 76240
Phone: (940) 665-9863
Fax: (940) 668-9863
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence K5586 (TX)

Record details

NPI number1982686390
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedNovember 19, 2005
Last updated in NPPESNovember 21, 2007
Mailing addressPo Box 1239, Gainesville, TX 76241-1239

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1997 (29 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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