Doctor profile · Federal record
Dr. Kristen Walls, PA-C
Physician Assistant · Worcester, MA
- NPI 1437475928
- Accepts Medicare
- MIPS 89.0 / 100 · 2023
- 17 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
55 Lake Ave N, Department of Critical Care
Worcester, MA 016550002
(774) 443-0344
fax (508) 856-0559 - Mailing address
-
Po Box 415348
Boston, MA 022415348
Credentials & registration
- NPI registered
- April 2010 — 16 yrs on file
- Profile last updated
- November 3, 2020
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- Massachusetts #3951
- Medicaid
- MA #110106027A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1437475928. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
98
Distinct HCPCS
2
Medicare allowed
$13,268
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99292 |
Critical care, each additional 30 minutes | 52 | 19 | $92 | |
99291 |
Critical care, first 30-74 minutes | 46 | 27 | $184 |
In context: peer comparison
Among 112 peers in Worcester Physician Assistant, average services per provider: 87. This provider delivers 1.1× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Kristen Walls's medical specialty?
Dr. Kristen Walls practices Physician Assistant in Worcester, MA.
Where does Dr. Kristen Walls practice?
Dr. Kristen Walls practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 7744430344.
What is Dr. Kristen Walls's NPI?
Dr. Kristen Walls's National Provider Identifier (NPI) is 1437475928, issued by NPPES.
Does Dr. Kristen Walls accept Medicare assignment?
Yes. Dr. Kristen Walls accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kristen Walls commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99292); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.