AdenocarcinomaAndrogen AntagonistsAndrogens
Dr. Katherine A. Harris, MD
NPI1902857030
- Medicare services, 2024
- 644
- Medicare patients, 2024
- 299
- Part D claims, 2024
- 488
- Publications
- 3
- Hospital affiliations
- 1
- Practice address
- 55 Fruit Street, Boston, MA 02114
- Practice phone
- Call (617) 726-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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. Katherine A. Harris is a hematologist and oncologist in Boston, Massachusetts
Dr. Harris practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Harris' NPI, 1902857030, was assigned on May 13, 2006. Dr. Harris graduated from Penn State College of Medicine in 1994. Dr. Harris' Pennsylvania license number on file is MD418683L.
NPI and contact details
- NPI
- 1902857030NPI Registry (opens in a new tab)
- NPI enumeration date
- May 13, 2006
- NPI status
- Active
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Katherine A. Harris practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Harris' primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.
- Massachusetts General Hospital55 Fruit Street, Boston, MA 02114 · Suffolk CountyPhone(617) 726-2000
Source: Dmand AI Affiliation Data
Dr. Katherine A. Harris is affiliated with 2 sites of care and 1 medical group
Dr. Harris' primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. The medical group on file is Massachusetts General Hospital. Dmand AI also links Dr. Harris to 1 more community health center, named with a free account. Dr. Harris' employer is on file too: a hospital.
Massachusetts General Hospital1 community health centerName with a free accountEmployer: hospitalName with a free account
See all 3 affiliations for Dr. HarrisSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Katherine A. 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 |
|---|---|
| Massachusetts General Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every hospital where Dr. Harris practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across Mass General Brigham and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Katherine A. Harris is one of 429 hematologists and oncologists in Massachusetts
Hematology and oncology is Dr. Harris' primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Harris is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Harris' licenses on file in 3 states: Pennsylvania, Massachusetts and California.
Specialties and state licenses
- Hematology and oncology, PennsylvaniaPrimary
- Massachusetts license
- California license
Clinical focus
Dmand AI lists breast cancer and lung cancer among the conditions Dr. Harris treats.
Hematologists and oncologists near Dr. Harris
Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.
429hematologists and oncologists in Massachusetts224hematologists and oncologists in Boston73hematologists and oncologists at Massachusetts General Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Katherine A. Harris billed Medicare for 644 services in 2024
CMS data shows 644 Medicare services from Dr. Harris across 4 procedure codes in 2024, for 299 Medicare patients. Medicare paid $37,778 for them. Every service was in an office.
Medicare services, 2024644
Medicare patients299
Paid by Medicare$37,778
Procedure codes4
Dr. Harris' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6942024: 43937%
- Other services
- 2023: 02024: 205
Dr. Harris compared with the Massachusetts median for hematologists and oncologists, 2024
- Dr. Harris
- Massachusetts median
- Medicare services
- 644vs 49530% above
- Medicare patients
- 299vs 20050% above
- Part D claims
- 380vs 1512.5 times
Medians across 415 hematologists and oncologists 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 hematologists and oncologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Katherine A. Harris treated 299 Medicare patients in 2024, average age 76
CMS counts 299 Medicare patients who saw Dr. Harris in 2024. The largest group is 65 to 74, with 133 patients. 75% of them have cancer, and 67% have high blood pressure. 14% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Harris' median patient age at 72, with 86% women.
Medicare patients, 2024299
Average age76
Average risk score1.39
Also on Medicaid14%
Dr. Harris' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Harris' Medicare patients by sex, 2024
- Women28696%
- Men134%
Chronic conditions among Dr. Harris' Medicare patients, 2024
- Cancer75%
- High blood pressure67%
- High cholesterol65%
- Arthritis46%
- Anxiety34%
- Osteoporosis30%
- Mood disorders25%
- Depression22%
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 72
Patient panel by sex, all payers
- Women86%
- Men14%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Katherine A. Harris wrote 488 Medicare Part D claims in 2024
In 2024, Dr. Harris wrote 488 Medicare Part D claims for 175 patients. 92% of them were for generic drugs. CMS names the drug for 380 of them, across 5 drugs with 11 or more claims each, at $9,687 in total drug cost. In 2023, CMS named 454 claims across 7 drugs.
Part D claims, 2024488
Drugs named by CMS5
Total drug cost$9,687
Part D patients175
Dr. Harris' Part D claims by kind of drug, 2024
- Generic448 claims92%
- Brand-name40 claims8%
Dr. Harris' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4542024: 38016%
Drugs named by CMS: 5 in 2024, 7 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Find hematologists and oncologists 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. Katherine A. Harris has 3 publications on record
Dmand AI links 3 papers to Dr. Harris. The most frequent topics are Adenocarcinoma, Prostate-Specific Antigen and Prostatic Neoplasms. Dr. Harris' most frequent co-authors are Eric J. Small, MD, Suzanne Brooks Coopey, MD and Mansi Awasthi Saksena, MD.
Papers3
Topics Dr. Harris writes about most
- Adenocarcinoma
- Prostate-Specific Antigen
- Prostatic Neoplasms
Dr. Harris' most frequent co-authors
- Eric J. Small, MD2 shared papers
- Suzanne Brooks Coopey, MD1 shared paper
- Mansi Awasthi Saksena, MD1 shared paper
Recent publications by Dr. Harris
Clin Prostate Cancer
AdenocarcinomaAntibiotics, AntineoplasticDoxorubicin
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 hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Katherine A. Harris received $173 in industry payments from 2016 to 2025
CMS Open Payments shows 4 general payments to Dr. Harris from 4 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 50% of the total. Janssen Pharmaceuticals, Inc paid the most, $74. It also lists 1 research payment totaling $26 in 2019.
General payments to Dr. Harris by program year, 2016 to 2025
General payments to Dr. Harris by kind, 2016 to 2025
$173in total
- Food and beverage$8750%
- Education$8650%
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. Katherine A. Harris has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Harris, most recently NCQA PCSP in 2017.
Awards and honors for Dr. Harris
- 2017
- NCQA PCSP
- 2012
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Katherine A. Harris graduated from Penn State College of Medicine
Dr. Harris graduated from Penn State College of Medicine in 1994.
- Medical school
- Board certified in internal medicine
- Board certified in medical oncology
Source: Dmand AI Professional Profile Data
Dr. Katherine A. Harris accepts plans from 7 insurance carriers
Dr. Harris is in network with 7 carriers, including United Healthcare, HCSC and CMS Medicare. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
- United Healthcare
- HCSC
- CMS Medicare
- Elevance
- EMI Health
- RI State Medicaid
- VT State Medicaid
Plan types Dr. Harris accepts, by number of carriers
- Medicare3
- PPO3
- HMO2
- Medicaid2
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Katherine A. 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Katherine A. 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. Katherine A. Harris' NPI number?
Dr. Katherine A. Harris' NPI number is 1902857030. It was assigned on May 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Katherine A. Harris?
Dr. Katherine A. Harris is a hematologist and oncologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Katherine A. Harris practice?
Dr. Harris practices at 55 Fruit Street, Boston, MA 02114. Dr. Harris' primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Harris to 1 community health center.
What is Dr. Katherine A. Harris' office phone number?
The practice phone on file for Dr. Harris is (617) 726-2000.
What is Dr. Katherine A. Harris' medical license number?
Dr. Harris' Pennsylvania license number on file is MD418683L, one of the licenses on file in 3 states.
Which states has Dr. Katherine A. Harris been licensed in?
Dmand AI has state licenses on file for Dr. Harris in Pennsylvania (2002 to 2018), Massachusetts (2016 to 2027) and California (1996 to 2001).
Which hospitals is Dr. Katherine A. Harris affiliated with?
Dr. Harris practices at Massachusetts General Hospital in Boston, Massachusetts.
What medical group is Dr. Katherine A. Harris part of?
Dr. Harris is linked to Massachusetts General Hospital.
Does Dr. Katherine A. Harris accept Medicare?
Yes. CMS data shows Dr. Harris billed Medicare for 644 services in 2024.
How many Medicare patients does Dr. Katherine A. Harris see?
CMS counts 299 Medicare patients who saw Dr. Harris in 2024, with an average age of 76.
Show 9 more questionsShow fewer questions
Is Dr. Katherine A. Harris board certified?
Yes. Dr. Harris is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Katherine A. Harris bill to Medicare?
In 2024, Dr. Harris' most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99215).
Where did Dr. Katherine A. Harris go to medical school?
Dr. Harris graduated from Penn State College of Medicine in 1994.
What drugs does Dr. Katherine A. Harris prescribe most?
In 2024 Medicare Part D data, Dr. Harris' most prescribed drugs by claims were Anastrozole, Tamoxifen Citrate and Letrozole.
Has Dr. Katherine A. Harris received payments from drug or device companies?
CMS Open Payments shows $173 in general payments to Dr. Harris from 4 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Katherine A. Harris been practicing?
Dr. Harris graduated from medical school in 1994, 32 years ago.
Does Dr. Katherine A. Harris do research?
Dmand AI links 3 publications to Dr. Harris.
Who does Dr. Katherine A. Harris publish with?
Dr. Harris' most frequent co-authors are Eric J. Small, MD (2 shared papers), Suzanne Brooks Coopey, MD (1 shared paper) and Mansi Awasthi Saksena, MD (1 shared paper).
What insurance does Dr. Katherine A. Harris accept?
Dr. Harris is in network with 7 carriers, including United Healthcare, HCSC and CMS Medicare. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
Selling to hematology and oncology practices?
See hematologists and oncologists 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