Doctor profile · Federal record
Dr. Andrew Karson, MD
Internal Medicine Physician (CMS: Internal Medicine) · Worcester, MA
- NPI 1194706002
- Accepts Medicare
- MIPS 89.0 / 100 · 2023
- 31 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
55 Lake Ave N
Worcester, MA 016550002
(774) 442-3797
fax (774) 442-3694 - Mailing address
-
Po Box 415348
Boston, MA 022415348
Credentials & registration
- NPI registered
- November 2005 — 21 yrs on file
- Profile last updated
- October 28, 2020
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Massachusetts #155144
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1194706002. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
116
Distinct HCPCS
3
Medicare allowed
$9,934
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 61 | 28 | $80 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 32 | 16 | $121 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 23 | 11 | $50 |
In context: peer comparison
Among 114 peers in this city , average services per provider: 102. This provider delivers 1.1× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Andrew Karson's medical specialty?
Dr. Andrew Karson practices Internal Medicine Physician in Worcester, MA.
Where does Dr. Andrew Karson practice?
Dr. Andrew Karson practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 7744423797.
What is Dr. Andrew Karson's NPI?
Dr. Andrew Karson's National Provider Identifier (NPI) is 1194706002, issued by NPPES.
Does Dr. Andrew Karson accept Medicare assignment?
Yes. Dr. Andrew Karson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Karson commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.