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

Mary M Hammack, MD

Individual provider Internal Medicine Physician · NPI 1871501874

Mary M Hammack, MD is an Internal Medicine in Plano, Texas. Graduated from University of Texas Medical School at San Antonio in 1988, 38 years ago. Practices with Internal Medicine Associates of Plano PA, a 25-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
38
Trained at
University of Texas Medical School at San Antonio
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

6124 W Parker Rd Mob Iii Ste 234
Plano, TX 75093-8124
Phone: (972) 981-7500
Fax: (972) 981-3600
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence H6269 (TX)

Record details

NPI number1871501874
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 4, 2006
Last updated in NPPESDecember 23, 2008
Mailing address6124 W. Parker Rd, Suite 234 Mob Iii, Plano, TX 75093-8124

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT SAN ANTONIO
Graduated 1988 (38 years in practice)
Group practice Internal Medicine Associates Of Plano Pa — 25 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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