Doctor profile · Federal record
Dr. Shirley So, M.D.
Geriatric Medicine (Internal Medicine) Physician (CMS: Geriatric Medicine) · Worcester, MA
- NPI 1639466592
- Accepts Medicare
- MIPS 89.0 / 100 · 2023
- 22 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
291 Lincoln St
Worcester, MA 016053643
(508) 334-6251
fax (508) 334-6906 - Mailing address
-
Po Box 415348
Boston, MA 022415348
Credentials & registration
- NPI registered
- June 2011 — 15 yrs on file
- Profile last updated
- May 1, 2022
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207RG0300X — NUCC code
- State license (1)
- Massachusetts #249041
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639466592. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
659
Distinct HCPCS
10
Medicare allowed
$73,666
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 218 | 82 | $109 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 122 | 51 | $109 | |
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 92 | 41 | $76 | |
99310 |
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 41 | 37 | $157 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 37 | 37 | $186 | |
99310 |
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 37 | 28 | $157 | |
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 36 | 25 | $76 | |
99307 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes | 28 | 14 | $41 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 18 | 18 | $186 | |
99316 |
Nursing facility discharge management, more than 30 minutes | 15 | 15 | $134 |
In context: peer comparison
Among 4 peers in Worcester Geriatric Medicine (Internal Medicine) Physician, average services per provider: 49. This provider delivers 13× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
3,340
Patients
347
Total drug cost
$131,465
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Eliquis (Apixaban) | Brand | 392 | 31 | $100,634 |
| Furosemide | Generic | 386 | 34 | $2,043 |
| Levothyroxine Sodium | Generic | 338 | 34 | $3,951 |
| Mirtazapine | Generic | 314 | 31 | $6,674 |
| Gabapentin | Generic | 250 | 30 | $2,168 |
| Atorvastatin Calcium | Generic | 231 | 30 | $2,646 |
| Amlodipine Besylate | Generic | 209 | 26 | $1,348 |
| Trazodone Hcl | Generic | 197 | 28 | $1,548 |
| Metoprolol Tartrate | Generic | 194 | 17 | $1,464 |
| Sertraline Hcl | Generic | 176 | 19 | $1,400 |
Frequently asked questions
What is Dr. Shirley So's medical specialty?
Dr. Shirley So practices Geriatric Medicine (Internal Medicine) Physician in Worcester, MA.
Where does Dr. Shirley So practice?
Dr. Shirley So practices at 291 Lincoln St, Worcester, MA 016053643. Office phone: 5083346251.
What is Dr. Shirley So's NPI?
Dr. Shirley So's National Provider Identifier (NPI) is 1639466592, issued by NPPES.
Does Dr. Shirley So accept Medicare assignment?
Yes. Dr. Shirley So accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Shirley So commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308). Source: CMS Medicare Physician & Other Practitioners file.