Doctor profile · Federal record
Dr. Mark Andrews, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Worcester, MA
- NPI 1720425838
- Accepts Medicare
- 17 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
123 Summer St
Worcester, MA 016081216
(508) 363-5000 - Additional location
-
119 Belmont St
Worcester, MA 016052903
(508) 334-8515
fax (508) 334-6490 - Additional location
-
157 Union St
Marlborough, MA 017521228
(508) 486-5678
fax (508) 486-5677 - Additional location
-
55 Lake Ave N
Worcester, MA 016550002
(508) 334-8515
fax (508) 334-6490 - Mailing address
-
Po Box 415348
Boston, MA 022415348
Show 1 more location
Credentials & registration
- NPI registered
- May 2013 — 13 yrs on file
- Profile last updated
- May 10, 2021
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Massachusetts #284154 · Massachusetts #273365
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1720425838. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
290
Distinct HCPCS
6
Medicare allowed
$41,160
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 138 | 128 | $175 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 65 | 41 | $119 | |
99239 |
Hospital discharge day management, more than 30 minutes | 27 | 26 | $113 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 26 | 26 | $93 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 22 | 21 | $131 | |
99238 |
Hospital discharge day management, 30 minutes or less | 12 | 11 | $82 |
In context: peer comparison
Among 114 peers in this city , average services per provider: 102. This provider delivers 2.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
25
Patients
25
Total drug cost
$163
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 13 | 13 | $108 |
| Prednisone | Generic | 12 | 12 | $54 |
Frequently asked questions
What is Dr. Mark Andrews's medical specialty?
Dr. Mark Andrews practices Internal Medicine Physician in Worcester, MA.
Where does Dr. Mark Andrews practice?
Dr. Mark Andrews practices at 123 Summer St, Worcester, MA 016081216. Office phone: 5083635000.
What is Dr. Mark Andrews's NPI?
Dr. Mark Andrews's National Provider Identifier (NPI) is 1720425838, issued by NPPES.
Does Dr. Mark Andrews accept Medicare assignment?
Yes. Dr. Mark Andrews accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Andrews commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.