Doctor profile · Federal record
Dr. Katharine Ewall
Internal Medicine Physician (CMS: Hospitalist) · Pediatrics Physician · Hospitalist Physician · Northampton, MA
- NPI 1922217751
- Accepts Medicare
- 19 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
30 Locust St
Northampton, MA 010602052
(413) 582-2792
fax (413) 582-4675
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- November 1, 2016
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Massachusetts #247001
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1922217751. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
194
Distinct HCPCS
2
Medicare allowed
$31,430
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 137 | 133 | $175 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 57 | 56 | $131 |
In context: peer comparison
Among 7 peers in Northampton Internal Medicine Physician, average services per provider: 104. This provider delivers 1.9× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Katharine Ewall's medical specialty?
Dr. Katharine Ewall practices Internal Medicine Physician in Northampton, MA.
Where does Dr. Katharine Ewall practice?
Dr. Katharine Ewall practices at 30 Locust St, Northampton, MA 010602052. Office phone: 4135822792.
What is Dr. Katharine Ewall's NPI?
Dr. Katharine Ewall's National Provider Identifier (NPI) is 1922217751, issued by NPPES.
Does Dr. Katharine Ewall accept Medicare assignment?
Yes. Dr. Katharine Ewall accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katharine Ewall commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.