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

Ashish Mamachen, MD

Individual provider Hospitalist Physician · NPI 1053766873

Ashish Mamachen, MD is an Internal Medicine in Galveston, Texas. Graduated from University of Texas Medical Branch at Galveston in 2016, 10 years ago. Practices with McAllen Hospitalist Group PLLC, a 107-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
10
Trained at
University of Texas Medical Branch at Galveston
Licensed in
TX
In the registry since
2016
Specialties on file
2
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

301 University Blvd
Galveston, TX 77555-0570
Phone: (409) 772-7063
Fax: (409) 747-8579
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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 BP10056506 (TX)
Hospitalist Physician Taxonomy 208M00000X · Licence S2834 (TX)

Record details

NPI number1053766873
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 29, 2016
Last updated in NPPESFebruary 19, 2025
Certification dateFebruary 19, 2025
Mailing address301 University Blvd, Galveston, TX 77555-0570

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolUNIVERSITY OF TEXAS MEDICAL BRANCH AT GALVESTON
Graduated 2016 (10 years in practice)
Group practice McAllen Hospitalist Group Pllc — 107 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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