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

Dr. Richard Arroyo-Diaz, MD

Individual provider Internal Medicine Physician · NPI 1629005418

Dr. Richard Arroyo-Diaz, MD is an Internal Medicine in Port Lavaca, Texas. Graduated from Ponce School of Medicine in 1986, 40 years ago. Practices with Memorial Medical Center, a 13-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
40
Trained at
Ponce School of Medicine
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

1016 N Virginia St
Port Lavaca, TX 77979-3000
Phone: (361) 552-0325
Fax: (361) 552-8759
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence J3731 (TX)

Record details

NPI number1629005418
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 27, 2006
Last updated in NPPESJuly 21, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolPONCE SCHOOL OF MEDICINE
Graduated 1986 (40 years in practice)
Group practice Memorial Medical Center — 13 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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