Doctor profile · Federal record
Dr. Caroline Hsu, M.D.
Nephrology Physician (CMS: Nephrology) · Boston, MA
- NPI 1972957207
- Accepts Medicare
- 10 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
800 Washington St
Boston, MA 021111552
(617) 636-8421 - Mailing address
-
5469 Princeton RD
Macungie, PA 180629055
Credentials & registration
- NPI registered
- April 2016 — 10 yrs on file
- Profile last updated
- September 25, 2019
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- Massachusetts #278398
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1972957207. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
371
Distinct HCPCS
6
Medicare allowed
$80,222
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 120 | 15 | $380 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 108 | 51 | $82 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 68 | 37 | $124 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 32 | 30 | $186 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 31 | 12 | $316 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 12 | 12 | $139 |
In context: peer comparison
Among 73 peers in Boston Nephrology Physician, average services per provider: 137. This provider delivers 2.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
190
Patients
0
Total drug cost
$38,067
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 31 | 0 | $413 |
| Metoprolol Succinate | Generic | 28 | 0 | $411 |
| Losartan Potassium | Generic | 25 | 0 | $249 |
| Sevelamer Carbonate | Generic | 25 | 0 | $5,375 |
| Carvedilol | Generic | 21 | 0 | $375 |
| Lokelma (Sodium Zirconium Cyclosilicate) | Brand | 14 | 0 | $17,600 |
| Atorvastatin Calcium | Generic | 13 | 0 | $190 |
| Omeprazole | Generic | 11 | 0 | $124 |
| Renvela (Sevelamer Carbonate) | Brand | 11 | 0 | $13,033 |
| Torsemide | Generic | 11 | 0 | $295 |
Hospital affiliations
Frequently asked questions
What is Dr. Caroline Hsu's medical specialty?
Dr. Caroline Hsu practices Nephrology Physician in Boston, MA.
Where does Dr. Caroline Hsu practice?
Dr. Caroline Hsu practices at 800 Washington St, Boston, MA 021111552. Office phone: 6176368421.
What is Dr. Caroline Hsu's NPI?
Dr. Caroline Hsu's National Provider Identifier (NPI) is 1972957207, issued by NPPES.
Does Dr. Caroline Hsu accept Medicare assignment?
Yes. Dr. Caroline Hsu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Caroline Hsu commonly perform?
Top Medicare-reported procedures in 2023: Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.