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

Dr. Cesar Abraham Santillana, MD

Individual provider Internal Medicine Physician · NPI 1063974889

Dr. Cesar Abraham Santillana, MD is an Internal Medicine in Tucson, Arizona. Qualified in 2018, 8 years ago. Practices with Quantum Bay Area Hospitalist Medical Group Inc, a 59-clinician group, works from 6 locations and accepts Medicare assignment. Licensed in Florida, Illinois, Louisiana and New Mexico.

Years since qualifying
8
Licensed in
FL, IL, LA, NM
In the registry since
2019
Specialties on file
5
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

1601 W Saint Marys Rd
Tucson, AZ 85745-2623
Phone: (520) 622-5833
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (5)

  • 820 Prudential Dr Ste 304, Jacksonville, FL 32207-8205 — (904) 202-3860
  • 11750 Bird Rd, Miami, FL 33175-3530 — (305) 223-2000
  • 190 Sandy Springs Pl Ne, Atlanta, GA 30328-5908 — (404) 383-4045
  • 4500 Memorial Dr, Belleville, IL 62226-5360 — (618) 257-6220
  • 4801 Ambassador Caffery Pkwy, Lafayette, LA 70508-6917 — (337) 470-2605

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence ME153137 (FL)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD2022-1447 (NM)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036162486 (IL)
Hospitalist Physician Taxonomy 208M00000X · Licence 036162486 (IL)
Hospitalist Physician Taxonomy 208M00000X · Licence 339579 (LA)

Record details

NPI number1063974889
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 1, 2019
Last updated in NPPESApril 30, 2025
Certification dateApril 30, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Quantum Bay Area Hospitalist Medical Group Inc — 59 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

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