Dr. Kathleen Marie Powis, MD
- Medicare services, 2024
- 94
- Medicare patients, 2024
- 93
- Part D claims, 2024
- 82
- Hospital affiliations
- 1
- Industry payments
- $41
- 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. Powis' professional email, personal email and mobile number
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Dr. Kathleen Marie Powis is an internist in Boston, Massachusetts
Dr. Powis practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Powis' NPI, 1619967783, was assigned on October 28, 2005. Dr. Powis graduated from Virginia Commonwealth University, School of Medicine in 2003. Dr. Powis holds Massachusetts license 224264.
- NPI
- 1619967783NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072611193
- NPI enumeration date
- October 28, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kathleen Marie Powis practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Powis' 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. Kathleen Marie Powis is affiliated with 2 sites of care and 2 medical groups
Dr. Powis' 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. Powis to 1 more community health center and 1 medical group, each named with a free account. Dr. Powis' employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Kathleen Marie Powis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Powis 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 site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kathleen Marie Powis is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Powis' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Powis is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Powis
Counts of internists 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. Kathleen Marie Powis billed Medicare for 94 services in 2024
CMS data shows 94 Medicare services from Dr. Powis across 2 procedure codes in 2024, all of them office visits, for 93 Medicare patients. Medicare paid $6,342 for them. Every service was in an office.
Dr. Powis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 912024: 943%
Dr. Powis compared with the Massachusetts median for internists, 2024
- Dr. Powis
- Massachusetts median
- Medicare services
- 94vs 43178% below
- Medicare patients
- 93vs 19452% below
- Part D claims
- 29vs 40293% below
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Powis' 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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kathleen Marie Powis treated 93 Medicare patients in 2024, average age 72
CMS counts 93 Medicare patients who saw Dr. Powis in 2024. The largest group is 65 to 74, with 33 patients. 72% of them have high blood pressure, and 66% have high cholesterol. 47% are also on Medicaid. Their average risk score is 1.41, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Powis' median patient age at 59, with 51% women.
Dr. Powis' Medicare patients by age, 2024
Dr. Powis' Medicare patients by sex, 2024
- Women6570%
- Men2830%
Chronic conditions among Dr. Powis' Medicare patients, 2024
- High blood pressure72%
- High cholesterol66%
- Arthritis49%
- Ischemic heart disease39%
- Anxiety34%
- Mood disorders34%
- Diabetes32%
- Chronic kidney disease31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Powis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kathleen Marie Powis wrote 82 Medicare Part D claims in 2024
In 2024, Dr. Powis wrote 82 Medicare Part D claims for 62 patients. 90% of them were for generic drugs. CMS names the drug for 29 of them, across 2 drugs with 11 or more claims each, at $140 in total drug cost. In 2019, CMS named 13 claims across 1 drug.
Dr. Powis' Part D claims by kind of drug, 2024
- Generic74 claims90%
- Brand-name and other8 claims10%
Dr. Powis' most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Powis' Part D claims, 2024
- Antibiotics35%29 of 82 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2019 to 2022
- 2019
- 2022
- Claims for drugs CMS names
- 2019: 132022: 29123%
Drugs named by CMS: 2 in 2022, 1 in 2019.
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
How Dr. Kathleen Marie Powis takes part in Medicare
Dr. Powis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Kathleen Marie Powis received $41 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Powis from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $41.
Companies that paid Dr. Powis the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kathleen Marie Powis graduated from Virginia Commonwealth University, School of Medicine
Dr. Powis graduated from Virginia Commonwealth University, School of Medicine in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Kathleen Marie Powis'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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. Kathleen Marie Powis
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. Kathleen Marie Powis' NPI number?
Dr. Kathleen Marie Powis' NPI number is 1619967783. It was assigned on October 28, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Kathleen Marie Powis?
Dr. Kathleen Marie Powis is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Kathleen Marie Powis practice?
Dr. Powis practices at 55 Fruit Street, Boston, MA 02114. Dr. Powis' primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Powis to 1 community health center and 1 medical group.
What is Dr. Kathleen Marie Powis' office phone number?
The practice phone on file for Dr. Powis is (617) 726-2000.
What is Dr. Kathleen Marie Powis' medical license number?
Dr. Powis holds Massachusetts license 224264.
Which hospitals is Dr. Kathleen Marie Powis affiliated with?
Dr. Powis practices at Massachusetts General Hospital in Boston, Massachusetts.
What medical group is Dr. Kathleen Marie Powis part of?
Dr. Powis is linked to Massachusetts General Hospital. Dmand AI links Dr. Powis to 1 more medical group.
Does Dr. Kathleen Marie Powis accept Medicare?
Yes. CMS data shows Dr. Powis billed Medicare for 94 services in 2024, and Dr. Powis accepts Medicare assignment.
How many Medicare patients does Dr. Kathleen Marie Powis see?
CMS counts 93 Medicare patients who saw Dr. Powis in 2024, with an average age of 72.
What services does Dr. Kathleen Marie Powis bill to Medicare?
In 2024, Dr. Powis' most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).
Show 4 more questionsShow fewer questions
Where did Dr. Kathleen Marie Powis go to medical school?
Dr. Powis graduated from Virginia Commonwealth University, School of Medicine in 2003.
What drugs does Dr. Kathleen Marie Powis prescribe most?
In 2022 Medicare Part D data, Dr. Powis' most prescribed drugs by claims were Prednisone and Ibuprofen.
Has Dr. Kathleen Marie Powis received payments from drug or device companies?
CMS Open Payments shows $41 in general payments to Dr. Powis from 1 company from 2022 to 2022. The largest total came from Gilead Sciences, Inc.
How long has Dr. Kathleen Marie Powis been practicing?
Dr. Powis graduated from medical school in 2003, 23 years ago.
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