Katharine E. Ewall
- Medicare services, 2024
- 203
- Medicare patients, 2024
- 216
- Part D claims, 2016
- 685
- Hospital affiliations
- 2
- Industry payments
- $11
- Practice address
- 30 Locust Street, Northampton, MA 01060
- Practice phone
- Call (413) 582-2151
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cooley Dickinson Hospital - Behavioral Health
Psychiatric Inpatient Facility · Northampton, Massachusetts
Find Katharine Ewall's 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.
Katharine E. Ewall is an internist in Northampton, Massachusetts
Katharine Ewall practices at Cooley Dickinson Hospital - Behavioral Health in Northampton, Massachusetts.
Katharine Ewall's NPI, 1922217751, was assigned on May 21, 2007. Katharine Ewall graduated from Tufts University School of Medicine in 2007. Katharine Ewall holds Massachusetts license 247001.
- NPI
- 1922217751NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547434581
- NPI enumeration date
- May 21, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (413) 582-2151
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Katharine E. Ewall practices at Cooley Dickinson Hospital - Behavioral Health in Northampton, Massachusetts
Katharine Ewall's primary practice is Cooley Dickinson Hospital - Behavioral Health, at 30 Locust Street, Northampton, MA 01060. The practice phone is (413) 582-2151.
- Cooley Dickinson Hospital - Behavioral Health30 Locust Street, Northampton, MA 01060Phone(413) 582-2151
Source: Dmand AI Affiliation Data
Katharine E. Ewall is affiliated with 6 sites of care and 1 medical group
Katharine Ewall's primary practice is Cooley Dickinson Hospital - Behavioral Health in Northampton, Massachusetts. Katharine Ewall is also affiliated with Cooley Dickinson Hospital. The medical group on file is Mass General Brigham Medical Group Western Massachusetts. Dmand AI also links Katharine Ewall to 1 more hospital, 1 home health agency, 1 hospice and 1 imaging center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Katharine E. Ewall's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Katharine Ewall practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cooley Dickinson Hospital - Behavioral Health | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Katharine E. Ewall is one of 5,528 internists in Massachusetts
Internal medicine is Katharine Ewall's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Katharine Ewall is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Katharine Ewall
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
Katharine E. Ewall billed Medicare for 203 services in 2024
CMS data shows 203 Medicare services from Katharine Ewall across 2 procedure codes in 2024, for 216 Medicare patients. Medicare paid $25,962 for them. Every service was in a facility, such as a hospital, rather than an office.
Katharine Ewall's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1942024: 2035%
Katharine Ewall compared with the Massachusetts median for internists, 2024
- Katharine Ewall
- Massachusetts median
- Medicare services
- 203vs 43153% below
- Medicare patients
- 216vs 19411% above
- Part D claims
- 685vs 40270% above
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Katharine Ewall'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 Katharine Ewall?
Medicare shows one payer. Book a meeting to get commercial claims data for Katharine Ewall and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Katharine E. Ewall treated 216 Medicare patients in 2024, average age 76
CMS counts 216 Medicare patients who saw Katharine Ewall in 2024. The largest group is 65 to 74, with 71 patients. 75% of them have high blood pressure, and 69% have high cholesterol. 31% are also on Medicaid. Their average risk score is 1.69, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Katharine Ewall's median patient age at 74, with 45% women.
Katharine Ewall's Medicare patients by age, 2024
Katharine Ewall's Medicare patients by sex, 2024
- Women12256%
- Men9444%
Chronic conditions among Katharine Ewall's Medicare patients, 2024
- High blood pressure75%
- High cholesterol69%
- Arthritis47%
- Mood disorders43%
- Chronic kidney disease42%
- Anxiety39%
- Depression37%
- Diabetes34%
Share of Medicare patients with each condition. A patient can have several.
Katharine Ewall's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women45%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Katharine E. Ewall wrote 685 Medicare Part D claims in 2016
In 2016, Katharine Ewall wrote 685 Medicare Part D claims. They cover 34 drugs, with $646,073 in total drug cost.
Katharine Ewall's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Katharine E. Ewall takes part in Medicare
Katharine Ewall 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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Katharine E. Ewall received $11 in industry payments in 2016
CMS Open Payments shows 1 general payment to Katharine Ewall from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $11.
Companies that paid Katharine Ewall the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Katharine E. Ewall graduated from Tufts University School of Medicine
Katharine Ewall graduated from Tufts University School of Medicine in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Katharine E. Ewall'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) |
| 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 Katharine E. Ewall
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Katharine E. Ewall's NPI number?
Katharine E. Ewall's NPI number is 1922217751. It was assigned on May 21, 2007, and it is active in the NPI Registry.
What does Katharine E. Ewall specialize in?
Katharine E. Ewall is an internist in Northampton, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Katharine E. Ewall practice?
Katharine Ewall practices at 30 Locust Street, Northampton, MA 01060. Katharine Ewall's primary practice is Cooley Dickinson Hospital - Behavioral Health in Northampton, Massachusetts. Dmand AI also links Katharine Ewall to 1 hospital, 1 home health agency, 1 hospice and 1 imaging center.
What is Katharine E. Ewall's office phone number?
The practice phone on file for Katharine Ewall is (413) 582-2151.
What is Katharine E. Ewall's medical license number?
Katharine Ewall holds Massachusetts license 247001.
Which hospitals is Katharine E. Ewall affiliated with?
Katharine Ewall is affiliated with Cooley Dickinson Hospital. Dmand AI links Katharine Ewall to 1 more hospital.
What medical group is Katharine E. Ewall part of?
Katharine Ewall is linked to Mass General Brigham Medical Group Western Massachusetts.
Does Katharine E. Ewall accept Medicare?
Yes. CMS data shows Katharine Ewall billed Medicare for 203 services in 2024, and Katharine Ewall accepts Medicare assignment.
How many Medicare patients does Katharine E. Ewall see?
CMS counts 216 Medicare patients who saw Katharine Ewall in 2024, with an average age of 76.
What services does Katharine E. Ewall bill to Medicare?
In 2024, Katharine Ewall's most billed Medicare services were hospital inpatient care (99223) and hospital inpatient care (99222).
Show 4 more questionsShow fewer questions
Where did Katharine E. Ewall go to medical school?
Katharine Ewall graduated from Tufts University School of Medicine in 2007.
What drugs does Katharine E. Ewall prescribe most?
In 2016 Medicare Part D data, Katharine Ewall's most prescribed drugs by claims were Atorvastatin Calcium, Gabapentin and Ventolin Hfa.
Has Katharine E. Ewall received payments from drug or device companies?
CMS Open Payments shows $11 in general payments to Katharine Ewall from 1 company from 2016 to 2016. The largest total came from Gilead Sciences, Inc.
How long has Katharine E. Ewall been practicing?
Katharine Ewall graduated from medical school in 2007, 19 years ago.
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