Doctor profile · Federal record
Dr. Katherine Walker, M.D., M.Sc.
Pulmonary Disease Physician (CMS: Pulmonary Disease) · Internal Medicine Physician · Critical Care Medicine (Internal Medicine) Physician · Boston, MA
- NPI 1528353463
- Accepts Medicare
- 15 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
75 Francis St
Boston, MA 021156110
(617) 732-5500
Credentials & registration
- NPI registered
- June 2011 — 15 yrs on file
- Profile last updated
- May 16, 2017
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 207RP1001X — NUCC code
- State licenses (2)
- Massachusetts #258701 · Massachusetts #248405
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1528353463. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
159
Distinct HCPCS
3
Medicare allowed
$32,795
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 126 | 42 | $225 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 21 | 16 | $127 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 12 | 11 | $153 |
In context: peer comparison
Among 77 peers in this city , average services per provider: 53. This provider delivers 3.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
13
Patients
0
Total drug cost
$48,048
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Nucala (Mepolizumab) | Brand | 13 | 0 | $48,048 |
Hospital affiliations
Frequently asked questions
What is Dr. Katherine Walker's medical specialty?
Dr. Katherine Walker practices Pulmonary Disease Physician in Boston, MA.
Where does Dr. Katherine Walker practice?
Dr. Katherine Walker practices at 75 Francis St, Boston, MA 021156110. Office phone: 6177325500.
What is Dr. Katherine Walker's NPI?
Dr. Katherine Walker's National Provider Identifier (NPI) is 1528353463, issued by NPPES.
Does Dr. Katherine Walker accept Medicare assignment?
Yes. Dr. Katherine Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Walker commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.