Gregory Philip Harrington, M.D.
Diagnostic Radiology Physician · Cambridge, MA
Gregory Philip Harrington, M.D. is a diagnostic radiology physician with a practice address in Cambridge, Massachusetts, and NPI 1275591679, issued on May 3, 2006. Check the license (Massachusetts 71703, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Gregory Philip Harrington
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 71703 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1493 Cambridge Street, Cambridge, MA 02139
- Phone
- (617) 665-1599
- Enumerated
- May 3, 2006
- Record last updated
- Feb 9, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 1211951 MA
- Medicare enrollment
- Enrolled (PECOS I20050902000058); accepts Medicare assignment
- Medical or professional school
- Virginia Commonwealth University, School Of Medicine, 1983
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 1,658 in Massachusetts → Look up another NPI →
Also registered at 1493 Cambridge Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bridget Andrews, DPTPhysical Therapist1801313689
- Pierlyne Armand, RNRegistered Nurse1437677887
- Elizabeth Baumann, PH.D.Clinical Psychologist1245547025
- Cari Benbasset-Miller, M.D.Family Medicine Physician1922398486
- Sierra BlackSocial Worker1891242376
- Guoli Chen, CRNACertified Registered Nurse Anesthetist1417252487
Verify Gregory Philip Harrington in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 71703Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 86.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Cambridge Public Health CommissionCambridge, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Philip Harrington among 1,658 diagnostic radiology physician records in Massachusetts
Gregory Philip Harrington, M.D. is one of 1,658 diagnostic radiology physician records with a practice address in Massachusetts. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 57% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1983 · median 2006 among the 1,125 with a school on file
- Record last updated2012 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in Massachusetts
There are 1,658 diagnostic radiology physician records in Massachusetts.
All 1,658 in Massachusetts → Every provider in Cambridge → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Stephan Auerbach, M.D.Cambridge, MA 021391215043179
- Janet Baer, MDCambridge, MA 021391265427074
- Andrea Cole, M.D.Cambridge, MA 021391326210287
- Nazli Erbay, M.D.Cambridge, MA 021391083713697
- Adam Gustin, M.D.Cambridge, MA 021391053580282
- Wendelin Hayes, D.O.Cambridge, MA 021391831147941
- Carol Hulka, M.D.Cambridge, MA 021391912954645
- Yogita Patel, MDCambridge, MA 021391952339012
Common questions
What is Gregory Philip Harrington, M.D.'s NPI number?
Gregory Philip Harrington, M.D.'s National Provider Identifier (NPI) is 1275591679, issued on May 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Philip Harrington, M.D. located?
The NPPES record lists a practice address at 1493 Cambridge Street, Cambridge, MA, 02139. Phone: (617) 665-1599. Providers update this record themselves, so call before visiting.
How can I verify Gregory Philip Harrington, M.D.'s license?
NPPES lists Massachusetts license number 71703, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Gregory Philip Harrington, M.D.'s MIPS final score?
The 2023 MIPS final score is 86.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.