Doctor profile · Federal record
Dr. Tien-Tsai Tsai, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Geriatric Medicine (Internal Medicine) Physician · Hospice and Palliative Medicine (Internal Medicine) Physician · Flushing, NY
- NPI 1558525196
- Accepts Medicare
- 26 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
13336 41St RD Ste 1
Flushing, NY 113553666
(347) 529-5303
fax (347) 529-5303 - Additional location
-
41 Mott St, Floor 5
New York, NY 100135041
(646) 692-9037
fax (646) 692-9035 - Mailing address
-
1706 Willoughby Ave, Ridgewood
Ridgewood, NY 113851148
Credentials & registration
- NPI registered
- July 2008 — 18 yrs on file
- Profile last updated
- July 21, 2022
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- New York #272019
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558525196. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,868
Distinct HCPCS
9
Medicare allowed
$287,291
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 1,812 | 181 | $82 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 218 | 159 | $149 | |
99239 |
Hospital discharge day management, more than 30 minutes | 198 | 139 | $123 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 195 | 23 | $105 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 179 | 124 | $119 | |
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 131 | 21 | $79 | |
99291 |
Critical care, first 30-74 minutes | 62 | 16 | $244 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 59 | 51 | $197 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 14 | 11 | $190 |
In context: peer comparison
Among 78 peers in Flushing Internal Medicine Physician, average services per provider: 130. This provider delivers 22× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
881
Patients
64
Total drug cost
$36,840
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 166 | 26 | $991 |
| Atorvastatin Calcium | Generic | 150 | 25 | $1,939 |
| Metoprolol Tartrate | Generic | 60 | 0 | $519 |
| Losartan Potassium | Generic | 58 | 13 | $657 |
| Carbidopa-Levodopa (Carbidopa/Levodopa) | Brand | 52 | 0 | $2,093 |
| Levothyroxine Sodium | Generic | 52 | 0 | $823 |
| Eliquis (Apixaban) | Brand | 49 | 0 | $14,532 |
| Finasteride | Generic | 39 | 0 | $513 |
| Metformin Hcl | Generic | 39 | 0 | $370 |
| Memantine Hcl | Generic | 38 | 0 | $1,774 |
Frequently asked questions
What is Dr. Tien-Tsai Tsai's medical specialty?
Dr. Tien-Tsai Tsai practices Internal Medicine Physician in Flushing, NY.
Where does Dr. Tien-Tsai Tsai practice?
Dr. Tien-Tsai Tsai practices at 13336 41St RD Ste 1, Flushing, NY 113553666. Office phone: 3475295303.
What is Dr. Tien-Tsai Tsai's NPI?
Dr. Tien-Tsai Tsai's National Provider Identifier (NPI) is 1558525196, issued by NPPES.
Does Dr. Tien-Tsai Tsai accept Medicare assignment?
Yes. Dr. Tien-Tsai Tsai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tien-Tsai Tsai commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.