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

Dr. Michael Arthur Santos, MD

Individual provider Hospitalist Physician · NPI 1316280639

Dr. Michael Arthur Santos, MD is an Internal Medicine in Lebanon, Pennsylvania. Graduated from Pennsylvania State University College of Medicine in 2013, 13 years ago. Practices with Lifespan Physician Group Inc, a 1,125-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Massachusetts, Pennsylvania and Rhode Island.

Years since qualifying
13
Trained at
Pennsylvania State University College of Medicine
Licensed in
MA, PA, RI
In the registry since
2013
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

252 S 4th St
Lebanon, PA 17042-6111
Phone: (717) 270-4876
Fax: (717) 270-3875
Show map & directions

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

Additional practice locations (2)

  • 88 Washington St, Taunton, MA 02780-2465 — (508) 828-7000
  • 164 Summit Ave, Providence, RI 02906 — (401) 793-4489

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD16659 (RI)
Hospitalist Physician Taxonomy 208M00000X · Licence MD457759 (PA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 1023662 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD457759 (PA)

Record details

NPI number1316280639
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 4, 2013
Last updated in NPPESJune 22, 2026
Certification dateJune 22, 2026

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolPENNSYLVANIA STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 2013 (13 years in practice)
Group practice Lifespan Physician Group Inc — 1125 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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