Larisa Mashensky, MD
Internal Medicine Physician · New York, NY
Larisa Mashensky, MD is an internal medicine physician with a practice address in New York, New York, and NPI 1134181373, issued on Apr 4, 2006. Check the license (New York 223084, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Larisa Mashensky
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 223084 NY
Self-reported in NPPES; status is on the state search - Practice location
- 50 E 42ND St, New York, NY 10017
- Phone
- (212) 867-0405
- Enumerated
- Apr 4, 2006
- Record last updated
- Aug 20, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (212) 867-0409
- Medicaid ID
- 02200622 NY
- Medicare enrollment
- Enrolled (PECOS I20071212000707); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 50 E 42ND St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robin Bahr, P.T.Pediatric Physical Therapist1306152236
- Dorina Drukman, D.O.Physical Medicine & Rehabilitation Physician1659346088
- Kelly Dwyer, D.C.Chiropractor1962477448
- Allison Gold, MSW,LCSWRClinical Social Worker1114001070
- Merav Gur Lobl, PH.D.Clinical Psychologist1407905441
- Irvind Khurana, DDSGeneral Practice Dentistry1477567626
Verify Larisa Mashensky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 223084Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.4 times the Medicare Part D claims of the average internal medicine physician in 2024
20,385 Medicare Part D claims for 398 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims. 84 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium1,144 claims
- Famotidine616 claims
- Amlodipine Besylate501 claims
- Metoprolol Succinate478 claims
- Vascepa453 claims
- Levothyroxine Sodium419 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 18.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,580.85
70 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Larisa Mashensky among 12,067 internal medicine physician records in New York
Larisa Mashensky, MD is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1995 · median 2002 among the 7,221 with a school on file
- Record last updated2008 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,434 internal medicine physician records list a practice address in New York
They are 2,434 of the 98,468 NPPES records with a practice address in New York, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in New York → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ruth Chambi Johnson, M.D.New York, NY 100171598968612
- Joseph Chiarella, M. D.New York, NY 100171376670026
- Shanna Choi, M.D.New York, NY 100171548303720
- Patrick Cocks, M.D.New York, NY 100171598799033
- Linh Dinh, M.D.New York, NY 100171225043029
- Rashmi Gulati, MDNew York, NY 100171659351138
- Richard Hernandez, M.D.New York, NY 100171780711853
- Eric Lutsky, D.O.New York, NY 100171477530582
Common questions
What is Larisa Mashensky, MD's NPI number?
Larisa Mashensky, MD's National Provider Identifier (NPI) is 1134181373, issued on Apr 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Larisa Mashensky, MD located?
The NPPES record lists a practice address at 50 E 42ND St, New York, NY, 10017. Phone: (212) 867-0405. Providers update this record themselves, so call before visiting.
How can I verify Larisa Mashensky, MD's license?
NPPES lists New York license number 223084, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Larisa Mashensky, MD prescribe under Medicare Part D?
In 2024, Larisa Mashensky, MD had 20,385 Medicare Part D claims for 398 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Larisa Mashensky, MD's MIPS final score?
The 2023 MIPS final score is 18.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.