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

Dr. Nathaniel G Clark, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1386687234

Dr. Nathaniel G Clark, MD is an Endocrinology in Hyannis, Massachusetts. Graduated from University of Massachusetts Medical School in 1988, 38 years ago. Practices with Medical Affiliates of Cape Cod Inc, a 235-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
38
Trained at
University of Massachusetts Medical School
Licensed in
MA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

433 W Main St
Hyannis, MA 02601-3644
Phone: (508) 778-4777
Fax: (508) 771-9555
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 72154 (MA)

Record details

NPI number1386687234
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 14, 2006
Last updated in NPPESSeptember 27, 2012
Mailing address433 W Main St, Hyannis, MA 02601-3644

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Medical schoolUNIVERSITY OF MASSACHUSETTS MEDICAL SCHOOL
Graduated 1988 (38 years in practice)
Group practice Medical Affiliates Of Cape Cod Inc — 235 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Hyannis