Dr. Kathryn Elaine Stephenson, MD
- Medicare services, 2024
- 41
- Medicare patients, 2024
- 48
- Hospital affiliations
- 1
- Industry payments
- $8,178
- Medical groups
- 4
- Practice address
- 330 Brookline Avenue, Boston, MA 02215
- Practice phone
- Call (617) 667-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Kathryn Elaine Stephenson is an internist in Boston, Massachusetts
Dr. Stephenson practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health.
Dr. Stephenson's NPI, 1205028099, was assigned on August 15, 2007. Dr. Stephenson graduated from New York University School of Medicine in 2005. Dr. Stephenson holds New York license 245056.
- NPI
- 1205028099NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486837549
- NPI enumeration date
- August 15, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 667-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kathryn Elaine Stephenson practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts
Dr. Stephenson's primary practice is Beth Israel Deaconess Medical Center, at 330 Brookline Avenue, Boston, MA 02215 in Suffolk County. The practice phone is (617) 667-7000.
- Beth Israel Deaconess Medical Center330 Brookline Avenue, Boston, MA 02215 · Suffolk CountyPhone(617) 667-7000
Source: Dmand AI Affiliation Data
Dr. Kathryn Elaine Stephenson is affiliated with 2 sites of care and 4 medical groups
Dr. Stephenson's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Dr. Stephenson to 3 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Kathryn Elaine Stephenson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stephenson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Beth Israel Deaconess Medical Center | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Beth Israel Lahey Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Kathryn Elaine Stephenson is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Stephenson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Stephenson is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Stephenson
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. Kathryn Elaine Stephenson billed Medicare for 41 services in 2024
CMS data shows 41 Medicare services from Dr. Stephenson across 2 procedure codes in 2024, for 48 Medicare patients. Medicare paid $3,552 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Stephenson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 432024: 415%
Dr. Stephenson compared with the Massachusetts median for internists, 2024
- Dr. Stephenson
- Massachusetts median
- Medicare services
- 41vs 43190% below
- Medicare patients
- 48vs 19475% below
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Stephenson's 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. Stephenson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Stephenson and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kathryn Elaine Stephenson treated 48 Medicare patients in 2024, average age 73
CMS counts 48 Medicare patients who saw Dr. Stephenson in 2024. The largest group is 65 to 74, with 16 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 35% are also on Medicaid. Their average risk score is 2.83, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Stephenson's median patient age at 68, with 55% women.
Dr. Stephenson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Stephenson's Medicare patients by sex, 2024
- Women2654%
- Men2246%
Chronic conditions among Dr. Stephenson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease63%
- Heart failure63%
- Ischemic heart disease63%
- Diabetes54%
- Arthritis50%
- Mood disorders48%
Share of Medicare patients with each condition. A patient can have several.
Dr. Stephenson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women55%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Kathryn Elaine Stephenson takes part in Medicare
Dr. Stephenson 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. Kathryn Elaine Stephenson received $8,178 in industry payments from 2024 to 2025
CMS Open Payments shows 4 general payments to Dr. Stephenson from 1 drug or device company from 2024 to 2025. Consulting fees make up the largest share, 100% of the total. Bavarian Nordic A/S paid the most, $8,178.
General payments to Dr. Stephenson by program year, 2024 to 2025
Companies that paid Dr. Stephenson the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kathryn Elaine Stephenson graduated from New York University School of Medicine
Dr. Stephenson graduated from New York University School of Medicine in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Kathryn Elaine Stephenson'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) |
| 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. Kathryn Elaine Stephenson
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. Kathryn Elaine Stephenson's NPI number?
Dr. Kathryn Elaine Stephenson's NPI number is 1205028099. It was assigned on August 15, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Kathryn Elaine Stephenson?
Dr. Kathryn Elaine Stephenson is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Kathryn Elaine Stephenson practice?
Dr. Stephenson practices at 330 Brookline Avenue, Boston, MA 02215. Dr. Stephenson's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Stephenson to 3 medical groups and 1 group practice or clinic.
What is Dr. Kathryn Elaine Stephenson's office phone number?
The practice phone on file for Dr. Stephenson is (617) 667-7000.
What is Dr. Kathryn Elaine Stephenson's medical license number?
Dr. Stephenson holds New York license 245056.
Which hospitals is Dr. Kathryn Elaine Stephenson affiliated with?
Dr. Stephenson practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts.
What medical group is Dr. Kathryn Elaine Stephenson part of?
Dr. Stephenson is linked to Brigham and Women's Hospital. Dmand AI links Dr. Stephenson to 3 more medical groups.
Does Dr. Kathryn Elaine Stephenson accept Medicare?
Yes. CMS data shows Dr. Stephenson billed Medicare for 41 services in 2024, and Dr. Stephenson accepts Medicare assignment.
How many Medicare patients does Dr. Kathryn Elaine Stephenson see?
CMS counts 48 Medicare patients who saw Dr. Stephenson in 2024, with an average age of 73.
What services does Dr. Kathryn Elaine Stephenson bill to Medicare?
In 2024, Dr. Stephenson's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99222).
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Where did Dr. Kathryn Elaine Stephenson go to medical school?
Dr. Stephenson graduated from New York University School of Medicine in 2005.
Has Dr. Kathryn Elaine Stephenson received payments from drug or device companies?
CMS Open Payments shows $8,178 in general payments to Dr. Stephenson from 1 company from 2024 to 2025. The largest total came from Bavarian Nordic A/S.
How long has Dr. Kathryn Elaine Stephenson been practicing?
Dr. Stephenson graduated from medical school in 2005, 21 years ago.
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