J Invest Dermatol
Disease Models, AnimalMelanocytesSkin Pigmentation
Dr. John E. Harris, MD
NPI1316007214PAC ID7113077025
- Medicare services, 2024
- 25
- Medicare patients, 2024
- 29
- Publications
- 112
- MIPS score, 2024
- 100
- Hospital affiliations
- 1
- Practice address
- 55 North Ave, Mendon, MA 01756
- Practice phone
- Call (508) 334-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Umass Memorial Medical Center
Mendon, Massachusetts
Find Dr. Harris' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John E. Harris is a dermatologist in Mendon, Massachusetts
Dr. Harris practices at Umass Memorial Medical Center in Mendon, Massachusetts.
Dr. Harris' NPI, 1316007214, was assigned on December 11, 2006. Dr. Harris graduated from University of Massachusetts Medical School in 2005. Dr. Harris holds Massachusetts license 245216.
NPI and contact details
- NPI
- 1316007214NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7113077025
- NPI enumeration date
- December 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (508) 334-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John E. Harris practices at Umass Memorial Medical Center in Mendon, Massachusetts
Dr. Harris' primary practice is Umass Memorial Medical Center, at 55 North Ave, Mendon, MA 01756 in Worcester County. The practice phone is (508) 334-1000.
- Umass Memorial Medical Center55 North Ave, Mendon, MA 01756 · Worcester CountyPhone(508) 334-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John E. Harris is affiliated with 3 sites of care and 4 medical groups
Dr. Harris' primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. Dr. Harris is also affiliated with Brigham and Women's Hospital. The medical group on file is UMass Memorial Medical Group. Dmand AI also links Dr. Harris to 3 more medical groups and 1 group practice or clinic, each named with a free account.
Umass Memorial Medical CenterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John E. Harris' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Harris practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Umass Memorial Medical Center | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Harris practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John E. Harris is one of 562 dermatologists in Massachusetts
Dermatology is Dr. Harris' primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Harris is licensed in Massachusetts.
Specialties and state licenses
- Dermatology, MassachusettsPrimary
Dermatologists near Dr. Harris
Counts of dermatologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John E. Harris billed Medicare for 25 services in 2024
CMS data shows 25 Medicare services from Dr. Harris across 2 procedure codes in 2024, all of them office visits, for 29 Medicare patients. Medicare paid $2,796 for them. Every service was in an office.
Medicare services, 202425
Medicare patients29
Paid by Medicare$2,796
Procedure codes2
Dr. Harris' Medicare services by type, 2021 to 2024
- 2021
- 2024
- Office and hospital visits
- 2021: 132024: 2592%
Dr. Harris compared with the Massachusetts median for dermatologists, 2024
- Dr. Harris
- Massachusetts median
- Medicare services
- 25vs 1,61098% below
- Medicare patients
- 29vs 48994% below
Medians across 559 dermatologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Harris' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Harris?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Harris and other dermatologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John E. Harris treated 29 Medicare patients in 2024, average age 70
CMS counts 29 Medicare patients who saw Dr. Harris in 2024. The largest group is 65 to 74, with 17 patients. 59% of them have high cholesterol, and 45% have arthritis. Their average risk score is 1.15, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Harris' median patient age at 38, with 46% women.
Medicare patients, 202429
Average age70
Average risk score1.15
Dr. Harris' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Harris' Medicare patients by sex, 2024
- Women1759%
- Men1241%
Chronic conditions among Dr. Harris' Medicare patients, 2024
- High cholesterol59%
- Arthritis45%
- High blood pressure38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Harris' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John E. Harris scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Harris for performance year 2024, reported through an alternative payment model (APM). Dr. Harris accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Harris' MIPS scores, performance year 2024
- 100of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Find dermatologists like Dr. Harris by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. John E. Harris has 112 publications on record
Dmand AI links 112 papers to Dr. Harris, published from 2010 to 2025. 2025 was the busiest year, with 15. The most frequent topics are Vitiligo, Skin and Melanocytes. Dr. Harris has published most often in J Invest Dermatol. Dr. Harris' most frequent co-authors are Amit G. Pandya, MD, Madhuri Garg, DO and Wei-Che C. Ko, MD.
Papers112
Years published2010 to 2025
Dr. Harris' papers by year, 2016 to 2025
Topics Dr. Harris writes about most
- Vitiligo
- Skin
- Melanocytes
- CD8-Positive T-Lymphocytes
- Disease Models, Animal
- Hypopigmentation
- Autoimmunity
- Chemokine CXCL10
Dr. Harris' most frequent co-authors
Recent publications by Dr. Harris
DepressionPatient Health QuestionnaireVitiligo
See who Dr. Harris researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Harris works with, so you can find a warm path to the right dermatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John E. Harris received $15,034,753 in industry payments from 2016 to 2025
CMS Open Payments shows 183 general payments to Dr. Harris from 18 drug and device companies from 2016 to 2025. Acquisitions make up the largest share, 99% of the total. Incyte Corporation paid the most, $14,901,744. It also lists 7 research payments totaling $9,420 from 2021 to 2025.
General payments to Dr. Harris by program year, 2016 to 2025
General payments to Dr. Harris by kind, 2016 to 2025
$15Min total
- Acquisitions$14,819,40499%
- Consulting fees$148,6171%
- Speaker and faculty fees$41,6690%
- Travel and lodging$11,8230%
- Other$13,2400%
Companies that paid Dr. Harris the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John E. Harris graduated from University of Massachusetts Medical School
Dr. Harris graduated from University of Massachusetts Medical School in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John E. Harris's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John E. Harris
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John E. Harris' NPI number?
Dr. John E. Harris' NPI number is 1316007214. It was assigned on December 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John E. Harris?
Dr. John E. Harris is a dermatologist in Mendon, Massachusetts. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. John E. Harris practice?
Dr. Harris practices at 55 North Ave, Mendon, MA 01756. Dr. Harris' primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. Dmand AI also links Dr. Harris to 3 medical groups and 1 group practice or clinic.
What is Dr. John E. Harris' office phone number?
The practice phone on file for Dr. Harris is (508) 334-1000.
What is Dr. John E. Harris' medical license number?
Dr. Harris holds Massachusetts license 245216.
Which hospitals is Dr. John E. Harris affiliated with?
Dr. Harris is affiliated with Brigham and Women's Hospital.
What medical group is Dr. John E. Harris part of?
Dr. Harris is linked to UMass Memorial Medical Group. Dmand AI links Dr. Harris to 3 more medical groups.
Does Dr. John E. Harris accept Medicare?
Yes. CMS data shows Dr. Harris billed Medicare for 25 services in 2024, and Dr. Harris accepts Medicare assignment.
What is Dr. John E. Harris' MIPS score?
Dr. Harris' MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. John E. Harris see?
CMS counts 29 Medicare patients who saw Dr. Harris in 2024, with an average age of 70.
Show 6 more questionsShow fewer questions
What services does Dr. John E. Harris bill to Medicare?
In 2024, Dr. Harris' most billed Medicare services were office visit, established patient (99214) and office visit, new patient (99204).
Where did Dr. John E. Harris go to medical school?
Dr. Harris graduated from University of Massachusetts Medical School in 2005.
Has Dr. John E. Harris received payments from drug or device companies?
CMS Open Payments shows $15,034,753 in general payments to Dr. Harris from 18 companies from 2016 to 2025. The largest total came from Incyte Corporation.
How long has Dr. John E. Harris been practicing?
Dr. Harris graduated from medical school in 2005, 21 years ago.
Does Dr. John E. Harris do research?
Dmand AI links 112 publications to Dr. Harris, published from 2010 to 2025.
Who does Dr. John E. Harris publish with?
Dr. Harris' most frequent co-authors are Amit G. Pandya, MD (11 shared papers), Madhuri Garg, DO (5 shared papers) and Wei-Che C. Ko, MD (5 shared papers).
Selling to dermatology practices?
See dermatologists in Massachusetts by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card