Doctor profile · Federal record
Dr. Larisa Mashensky, MD
Internal Medicine Physician (CMS: Internal Medicine) · New York, NY
- NPI 1134181373
- Accepts Medicare
- MIPS 18.4 / 100 · 2023
- 31 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
50 E 42Nd St, Suite#200
New York, NY 100175405
(212) 867-0405
fax (212) 867-0409 - Mailing address
-
1003 Hampton Ave
Brooklyn, NY 112353013
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- August 20, 2008
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- New York #223084
- Medicaid
- NY #02200622
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1134181373. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
9,448
Distinct HCPCS
10
Medicare allowed
$324,256
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J1756 |
Injection, iron sucrose, 1 mg | 3,108 | 23 | $0 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 967 | 212 | $103 | |
84439 |
Thyroxine (thyroid chemical), free | 402 | 196 | $9 | |
84443 |
Blood test, thyroid stimulating hormone (tsh) | 402 | 197 | $16 | |
84480 |
Thyroid hormone, t3 measurement, total | 402 | 196 | $14 | |
82607 |
Cyanocobalamin (vitamin b-12) level | 376 | 194 | $15 | |
82728 |
Ferritin (blood protein) level | 376 | 194 | $13 | |
82746 |
Folic acid level, serum | 376 | 194 | $14 | |
86769 |
Measure of severe acute respiratory syndrome coronavirus 2 (covid-19) antibody | 332 | 191 | $41 | |
36415 |
Insertion of needle into vein for collection of blood sample | 260 | 173 | $8 |
In context: peer comparison
Among 559 peers in this city , average services per provider: 137. This provider delivers 69× the peer median.Open Payments
Industry payments received
All-time total
$1,581
Transactions
66
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| GlaxoSmithKline, LLC. | 14 | $277.57 | |
| ABBVIE INC. | 8 | $184.65 | |
| AstraZeneca Pharmaceuticals LP | 7 | $158.51 | |
| GENZYME CORPORATION | 4 | $154.28 | |
| Amgen Inc. | 8 | $150.86 | |
| Bausch Health US, LLC | 4 | $95.85 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 5 | $90.73 | |
| PFIZER INC. | 3 | $63.11 | |
| Lilly USA, LLC | 2 | $60.37 | |
| Novartis Pharmaceuticals Corporation | 3 | $59.03 | |
| Novo Nordisk Inc | 3 | $57.15 | |
| Exact Sciences Corporation | 2 | $44.97 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 1 | $32.80 | |
| Lundbeck LLC | 1 | $32.57 | |
| Kowa Pharmaceuticals America, Inc. | 1 | $26.92 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
5,860
Patients
952
Total drug cost
$677,445
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Rosuvastatin Calcium | Generic | 996 | 154 | $20,481 |
| Famotidine | Generic | 558 | 98 | $7,873 |
| Vascepa (Icosapent Ethyl) | Brand | 514 | 66 | $215,455 |
| Amlodipine Besylate | Generic | 413 | 77 | $3,878 |
| Metoprolol Succinate | Generic | 392 | 67 | $5,692 |
| Levothyroxine Sodium | Generic | 389 | 48 | $3,978 |
| Gabapentin | Generic | 365 | 77 | $4,613 |
| Metformin Hcl | Generic | 325 | 52 | $3,356 |
| Ozempic (Semaglutide) | Brand | 311 | 46 | $321,981 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 305 | 45 | $70,814 |
Hospital affiliations
Frequently asked questions
What is Dr. Larisa Mashensky's medical specialty?
Dr. Larisa Mashensky practices Internal Medicine Physician in New York, NY.
Where does Dr. Larisa Mashensky practice?
Dr. Larisa Mashensky practices at 50 E 42Nd St, New York, NY 100175405. Office phone: 2128670405.
What is Dr. Larisa Mashensky's NPI?
Dr. Larisa Mashensky's National Provider Identifier (NPI) is 1134181373, issued by NPPES.
Does Dr. Larisa Mashensky accept Medicare assignment?
Yes. Dr. Larisa Mashensky accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Larisa Mashensky commonly perform?
Top Medicare-reported procedures in 2023: Injection, iron sucrose, 1 mg (HCPCS J1756); Established patient office or other outpatient visit (HCPCS 99213); Thyroxine (thyroid chemical), free (HCPCS 84439). Source: CMS Medicare Physician & Other Practitioners file.