Kenneth O. Harris, M.D.
Internal Medicine Physician · Milton, MA
Kenneth O. Harris, M.D. is an internal medicine physician with a practice address in Milton, Massachusetts, and NPI 1790710887, issued on Jul 11, 2006. Check the license (Massachusetts 58821, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Kenneth O. Harris
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 58821 MA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Highland St, Milton, MA 02186
- Phone
- (617) 698-8855
- Enumerated
- Jul 11, 2006
- Record last updated
- Oct 25, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 3077706 MA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 100 Highland St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- George Barrett, MDGastroenterology Physician1659549590
- Adriana Carrillo, MDPhysical Medicine & Rehabilitation Physician1972577716
- Michele Chabot, MDInternal Medicine Physician1629062781
- Barbara Drottar, NPFamily Nurse Practitioner1023106598
- Ali Emami, M.D.Nephrology Physician1992767966
- Angela Fenton, M.A., LMHCMental Health Counselor1659522183
Verify Kenneth O. Harris in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 58821Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,813 Medicare Part D claims for 387 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 36 claims were for opioids.
Most prescribed
- Atorvastatin Calcium207 claims
- Levothyroxine Sodium141 claims
- Omeprazole120 claims
- Gabapentin90 claims
- Lisinopril90 claims
- Amlodipine Besylate86 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Kenneth O. Harris among 6,825 internal medicine physician records in Massachusetts
Kenneth O. Harris, M.D. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2007 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 internal medicine physician records list a practice address in Milton
They are 15 of the 445 NPPES records with a practice address in Milton, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Milton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mary Ashur, M.D.Milton, MA 021861033109343
- John Barravecchio, M.D.Milton, MA 021861801997564
- Michele Chabot, MDMilton, MA 021861629062781
- Jon Cronin, M.D.Milton, MA 021861326085523
- Daniel Driscoll, M.D.Milton, MA 021861942290853
- John Ferrante, M.D.Milton, MA 021861649269523
- Richard Florentine, MDMilton, MA 021861609826676
- John Joseph Looney, M.D.Milton, MA 021861003848532
Common questions
What is Kenneth O. Harris, M.D.'s NPI number?
Kenneth O. Harris, M.D.'s National Provider Identifier (NPI) is 1790710887, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth O. Harris, M.D. located?
The NPPES record lists a practice address at 100 Highland St, Milton, MA, 02186. Phone: (617) 698-8855. Providers update this record themselves, so call before visiting.
How can I verify Kenneth O. Harris, M.D.'s license?
NPPES lists Massachusetts license number 58821, 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.
How much does Kenneth O. Harris, M.D. prescribe under Medicare Part D?
In 2024, Kenneth O. Harris, M.D. had 2,813 Medicare Part D claims for 387 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.