Doctor profile · Federal record
Dr. Tammy Hshieh, M.D.
Internal Medicine Physician (CMS: Geriatric Medicine) · Boston, MA
- NPI 1477780443
- Accepts Medicare
- 17 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
330 Brookline Ave, Deaconess 307
Boston, MA 022155400
(617) 632-8266 - Mailing address
-
70 Francis Ave
Cambridge, MA 021381967
Credentials & registration
- NPI registered
- June 2009 — 17 yrs on file
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Massachusetts #241538
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1477780443. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
855
Distinct HCPCS
7
Medicare allowed
$95,641
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 330 | 179 | $84 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 249 | 81 | $104 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 119 | 119 | $184 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 53 | 22 | $103 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 51 | 51 | $193 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 32 | 16 | $104 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 21 | 15 | $70 |
In context: peer comparison
Among 547 peers in Boston Internal Medicine Physician, average services per provider: 81. This provider delivers 11× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
380
Patients
15
Total drug cost
$22,827
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Mirtazapine | Generic | 49 | 15 | $2,288 |
| Levothyroxine Sodium | Generic | 44 | 0 | $519 |
| Atorvastatin Calcium | Generic | 27 | 0 | $330 |
| Trazodone Hcl | Generic | 27 | 0 | $192 |
| Escitalopram Oxalate | Generic | 26 | 0 | $401 |
| Losartan Potassium | Generic | 25 | 0 | $562 |
| Citalopram Hbr (Citalopram Hydrobromide) | Brand | 24 | 0 | $493 |
| Donepezil Hcl | Generic | 23 | 0 | $426 |
| Lidocaine | Generic | 21 | 0 | $2,360 |
| Omega-3 Acid Ethyl Esters | Generic | 21 | 0 | $1,124 |
Hospital affiliations
Frequently asked questions
What is Dr. Tammy Hshieh's medical specialty?
Dr. Tammy Hshieh practices Internal Medicine Physician in Boston, MA.
Where does Dr. Tammy Hshieh practice?
Dr. Tammy Hshieh practices at 330 Brookline Ave, Boston, MA 022155400. Office phone: 6176328266.
What is Dr. Tammy Hshieh's NPI?
Dr. Tammy Hshieh's National Provider Identifier (NPI) is 1477780443, issued by NPPES.
Does Dr. Tammy Hshieh accept Medicare assignment?
Yes. Dr. Tammy Hshieh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tammy Hshieh commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.