Dr. Larisa Mashensky, MD
- Medicare services, 2024
- 8,896
- Medicare patients, 2024
- 240
- Part D claims, 2024
- 20,385
- MIPS score, 2024
- 22
- Hospital affiliations
- 1
- Practice address
- 1003 Hampton Ave, Brooklyn, NY 11235
- Practice phone
- Call (212) 867-0405
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Advanced Medical of Grand Central
Brooklyn, New York
Find Dr. Mashensky's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Larisa Mashensky is an internist in Brooklyn, New York
Dr. Mashensky practices at Advanced Medical of Grand Central in Brooklyn, New York.
Dr. Mashensky's NPI, 1134181373, was assigned on April 4, 2006. Dr. Mashensky holds New York license 223084.
- NPI
- 1134181373NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022108109
- NPI enumeration date
- April 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (212) 867-0405
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Larisa Mashensky practices at Advanced Medical of Grand Central in Brooklyn, New York
Dr. Mashensky's primary practice is Advanced Medical of Grand Central, at 1003 Hampton Ave, Brooklyn, NY 11235 in Kings County. The practice phone is (212) 867-0405.
- Advanced Medical of Grand Central1003 Hampton Ave, Brooklyn, NY 11235 · Kings CountyPhone(212) 867-0405
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Larisa Mashensky is affiliated with 4 sites of care
Dr. Mashensky's primary practice is Advanced Medical of Grand Central in Brooklyn, New York. Dr. Mashensky is also affiliated with Tisch Hospital. Dmand AI also links Dr. Mashensky to 1 more physician office and 1 home health agency, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Larisa Mashensky's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mashensky practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advanced Medical of Grand Central | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Larisa Mashensky is one of 9,643 internists in New York
Internal medicine is Dr. Mashensky's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Mashensky is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Mashensky
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Larisa Mashensky billed Medicare for 8,896 services in 2024
CMS data shows 8,896 Medicare services from Dr. Mashensky across 39 procedure codes in 2024, for 240 Medicare patients. Medicare paid $257,534 for them. Every service was in an office.
Dr. Mashensky's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 3,4632024: 3,4911%
- Drugs given in the office
- 2023: 3,3922024: 2,02840%
- Office and hospital visits
- 2023: 1,2912024: 1,51718%
- Tests and treatments
- 2023: 8472024: 1,29152%
- Surgery
- 2023: 2602024: 37042%
- Other services
- 2023: 1952024: 1992%
Dr. Mashensky compared with the New York median for internists, 2024
- Dr. Mashensky
- New York median
- Medicare services
- 8,896vs 42620.9 times
- Medicare patients
- 240vs 15852% above
- Part D claims
- 19,651vs 62231.6 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Mashensky's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mashensky and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Larisa Mashensky treated 240 Medicare patients in 2024, average age 76
CMS counts 240 Medicare patients who saw Dr. Mashensky in 2024. The largest group is 75 to 84, with 92 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 76% are also on Medicaid. Their average risk score is 1.48, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mashensky's median patient age at 58, with 67% women.
Dr. Mashensky's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Mashensky's Medicare patients by sex, 2024
- Women16067%
- Men8033%
Chronic conditions among Dr. Mashensky's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes70%
- Arthritis61%
- COPD37%
- Ischemic heart disease37%
- Mood disorders36%
- Depression33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mashensky's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women67%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Larisa Mashensky wrote 20,385 Medicare Part D claims in 2024
In 2024, Dr. Mashensky wrote 20,385 Medicare Part D claims for 398 patients. 75% of them were for generic drugs. CMS names the drug for 19,651 of them, across 247 drugs with 11 or more claims each, at $3,223,184 in total drug cost. In 2023, CMS named 17,118 claims across 234 drugs.
Dr. Mashensky's Part D claims by kind of drug, 2024
- Generic15,360 claims75%
- Brand-name4,863 claims24%
- Other162 claims1%
Dr. Mashensky's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Mashensky's Part D claims, 2024
- Opioids0%84 of 20,385 claims
- Antibiotics2%478 of 20,385 claims
- Antipsychotics, patients 65 and over1%156 of 20,385 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 17,1182024: 19,65115%
Drugs named by CMS: 247 in 2024, 234 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Larisa Mashensky scored 22 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 22 out of 100 for Dr. Mashensky for performance year 2024, reported individually. Dr. Mashensky accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Mashensky as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Mashensky's MIPS scores, performance year 2024
- 22of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Larisa Mashensky received $20,047 in industry payments from 2016 to 2025
CMS Open Payments shows 1,074 general payments to Dr. Mashensky from 60 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. AstraZeneca Pharmaceuticals LP paid the most, $2,409.
General payments to Dr. Mashensky by program year, 2016 to 2025
General payments to Dr. Mashensky by kind, 2016 to 2025
- Food and beverage$19,93799%
- Education$1111%
Companies that paid Dr. Mashensky the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Larisa Mashensky's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Larisa Mashensky
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Larisa Mashensky's NPI number?
Dr. Larisa Mashensky's NPI number is 1134181373. It was assigned on April 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Larisa Mashensky?
Dr. Larisa Mashensky is an internist in Brooklyn, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Larisa Mashensky practice?
Dr. Mashensky practices at 1003 Hampton Ave, Brooklyn, NY 11235. Dr. Mashensky's primary practice is Advanced Medical of Grand Central in Brooklyn, New York. Dmand AI also links Dr. Mashensky to 1 physician office and 1 home health agency.
What is Dr. Larisa Mashensky's office phone number?
The practice phone on file for Dr. Mashensky is (212) 867-0405.
What is Dr. Larisa Mashensky's medical license number?
Dr. Mashensky holds New York license 223084.
Which hospitals is Dr. Larisa Mashensky affiliated with?
Dr. Mashensky is affiliated with Tisch Hospital.
Does Dr. Larisa Mashensky accept Medicare?
Yes. CMS data shows Dr. Mashensky billed Medicare for 8,896 services in 2024, and Dr. Mashensky accepts Medicare assignment.
Does Dr. Larisa Mashensky offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Mashensky as offering telehealth services.
What is Dr. Larisa Mashensky's MIPS score?
Dr. Mashensky's MIPS final score for performance year 2024 is 22 out of 100, reported individually.
How many Medicare patients does Dr. Larisa Mashensky see?
CMS counts 240 Medicare patients who saw Dr. Mashensky in 2024, with an average age of 76.
Show 4 more questionsShow fewer questions
What services does Dr. Larisa Mashensky bill to Medicare?
In 2024, Dr. Mashensky's most billed Medicare services were injected or infused drug (J1756), office visit, established patient (99213) and allergy test or treatment (95004).
What drugs does Dr. Larisa Mashensky prescribe most?
In 2024 Medicare Part D data, Dr. Mashensky's most prescribed drugs by claims were Rosuvastatin Calcium, Famotidine and Amlodipine Besylate.
Has Dr. Larisa Mashensky received payments from drug or device companies?
CMS Open Payments shows $20,047 in general payments to Dr. Mashensky from 60 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Larisa Mashensky been practicing?
Dr. Mashensky graduated from medical school in 1995, 31 years ago.
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