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

Billy A De los Santos, MD

Individual provider Internal Medicine Physician · NPI 1386885614

Billy A De los Santos, MD is an Internal Medicine in Sunnyvale, Texas. Qualified in 2007, 19 years ago. Practices with Wellmed Medical Group PA, a 664-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York and Texas.

Years since qualifying
19
Licensed in
NY, TX
In the registry since
2009
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

341 Wheatfield Dr Ste 100
Sunnyvale, TX 75182-4639
Phone: (972) 285-0221
Fax: (972) 285-0223
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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 P0899 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence 262040 (NY)

Record details

NPI number1386885614
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 17, 2009
Last updated in NPPESJune 9, 2021
Certification dateJune 9, 2021

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Wellmed Medical Group Pa — 664 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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