Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. David Wayne Harrison, MD

Individual provider Internal Medicine Physician · NPI 1790775369

Dr. David Wayne Harrison, MD practises Internal Medicine in Everett, Massachusetts. Graduated from Harvard Medical School in 2001, 25 years ago. Practices with The General Hospital Corporation, a 1,276-clinician group, works from 4 locations, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
25
Trained at
Harvard Medical School
Licensed in
MA
In the registry since
2005
Specialties on file
2
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

19 Norwood St
Everett, MA 02149-2709
Phone: (617) 394-7500
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (3)

  • 501 Folsom St, San Francisco, CA 94105-3174 — (844) 847-8216
  • 201 California St Ste 1300, San Francisco, CA 94111-5015 — (844) 847-8216
  • 5 Arlington St, Winchester, MA 01890-3701 — (857) 334-0884

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 216239 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 216239 (MA)

Record details

NPI number1790775369
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 25, 2005
Last updated in NPPESMarch 20, 2023
Certification dateMarch 20, 2023

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 2001 (25 years in practice)
Group practice The General Hospital Corporation — 1276 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients299
Services billed 541 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Also affiliated with 1 inpatient rehabilitation facility, which CMS identifies by certification number only.

Colleagues at The General Hospital Corporation

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1276 clinicians in the practice; 12 are shown here.

Other providers in Everett