Liliya Semenova
- Medicare services, 2024
- 882
- Medicare patients, 2024
- 257
- Part D claims, 2024
- 3,276
- MIPS score, 2024
- 93
- Hospital affiliations
- 1
- Practice address
- 210 N Belle Mead Rd, East Setauket, NY 11733
- Practice phone
- Call (631) 686-2526
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mather Medical Group
East Setauket, New York
Find Liliya Semenova'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.
Liliya Semenova is an internist in East Setauket, New York
Liliya Semenova practices at Mather Medical Group in East Setauket, New York.
Liliya Semenova's NPI, 1689052680, was assigned on May 11, 2015. Liliya Semenova holds New York license 307934.
- NPI
- 1689052680NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4385947647
- NPI enumeration date
- May 11, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (631) 686-2526
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Liliya Semenova practices at Mather Medical Group in East Setauket, New York
Liliya Semenova's primary practice is Mather Medical Group, at 210 N Belle Mead Rd, East Setauket, NY 11733 in Suffolk County. The practice phone is (631) 686-2526.
- Mather Medical Group210 N Belle Mead Rd, East Setauket, NY 11733 · Suffolk CountyPhone(631) 686-2526
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Liliya Semenova is affiliated with 8 sites of care and 1 medical group
Liliya Semenova's primary practice is Mather Medical Group in East Setauket, New York. Liliya Semenova is also affiliated with Mather Hospital. The medical group on file is Mather Medical Group. Dmand AI also links Liliya Semenova to 5 more home health agencies and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Liliya Semenova's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Liliya Semenova practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mather Medical Group | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Liliya Semenova is one of 9,643 internists in New York
Internal medicine is Liliya Semenova's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Liliya Semenova is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Liliya Semenova
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
Liliya Semenova billed Medicare for 882 services in 2024
CMS data shows 882 Medicare services from Liliya Semenova across 12 procedure codes in 2024, for 257 Medicare patients. Medicare paid $85,716 for them. Every service was in an office.
Liliya Semenova's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5922024: 6449%
- Surgery
- 2023: 242024: 103329%
- Other services
- 2023: 202024: 51155%
- Tests and treatments
- 2023: 312024: 4339%
- Lab and pathology
- 2023: 392024: 415%
Liliya Semenova compared with the New York median for internists, 2024
- Liliya Semenova
- New York median
- Medicare services
- 882vs 4262.1 times
- Medicare patients
- 257vs 15863% above
- Part D claims
- 2,722vs 6224.4 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Liliya Semenova'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Liliya Semenova treated 257 Medicare patients in 2024, average age 77
CMS counts 257 Medicare patients who saw Liliya Semenova in 2024. The largest group is 75 to 84, with 103 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Liliya Semenova's median patient age at 61, with 66% women.
Liliya Semenova's Medicare patients by age, 2024
Liliya Semenova's Medicare patients by sex, 2024
- Women15058%
- Men10742%
Chronic conditions among Liliya Semenova's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Ischemic heart disease38%
- Diabetes29%
- Anxiety25%
- Atrial fibrillation23%
- Mood disorders23%
Share of Medicare patients with each condition. A patient can have several.
Liliya Semenova's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women66%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Liliya Semenova wrote 3,276 Medicare Part D claims in 2024
In 2024, Liliya Semenova wrote 3,276 Medicare Part D claims for 361 patients. 91% of them were for generic drugs. CMS names the drug for 2,722 of them, across 66 drugs with 11 or more claims each, at $112,884 in total drug cost. In 2023, CMS named 1,826 claims across 52 drugs.
Liliya Semenova's Part D claims by kind of drug, 2024
- Generic2,978 claims91%
- Brand-name282 claims9%
- Other16 claims0%
Liliya Semenova'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 Liliya Semenova's Part D claims, 2024
- Opioids0%16 of 3,276 claims
- Antibiotics4%142 of 3,276 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: 1,8262024: 2,72249%
Drugs named by CMS: 66 in 2024, 52 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
Liliya Semenova scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Liliya Semenova for performance year 2024, reported through an alternative payment model (APM). Liliya Semenova accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Liliya Semenova as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Liliya Semenova's MIPS scores, performance year 2024
- 93of 100Final score
- 79.8of 100Quality
- 89of 100Promoting Interoperability
- 40of 100Improvement Activities
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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Liliya Semenova received $2,004 in industry payments from 2021 to 2025
CMS Open Payments shows 21 general payments to Liliya Semenova from 10 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $495.
General payments to Liliya Semenova by program year, 2021 to 2025
Companies that paid Liliya Semenova the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Liliya Semenova's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Liliya Semenova
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Liliya Semenova's NPI number?
Liliya Semenova's NPI number is 1689052680. It was assigned on May 11, 2015, and it is active in the NPI Registry.
What does Liliya Semenova specialize in?
Liliya Semenova is an internist in East Setauket, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Liliya Semenova practice?
Liliya Semenova practices at 210 N Belle Mead Rd, East Setauket, NY 11733. Liliya Semenova's primary practice is Mather Medical Group in East Setauket, New York. Dmand AI also links Liliya Semenova to 5 home health agencies and 1 group practice or clinic.
What is Liliya Semenova's office phone number?
The practice phone on file for Liliya Semenova is (631) 686-2526.
What is Liliya Semenova's medical license number?
Liliya Semenova holds New York license 307934.
Which hospitals is Liliya Semenova affiliated with?
Liliya Semenova is affiliated with Mather Hospital.
What medical group is Liliya Semenova part of?
Liliya Semenova is linked to Mather Medical Group.
Does Liliya Semenova accept Medicare?
Yes. CMS data shows Liliya Semenova billed Medicare for 882 services in 2024, and Liliya Semenova accepts Medicare assignment.
Does Liliya Semenova offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Liliya Semenova as offering telehealth services.
What is Liliya Semenova's MIPS score?
Liliya Semenova's MIPS final score for performance year 2024 is 93 out of 100, reported through an alternative payment model (APM).
Show 5 more questionsShow fewer questions
How many Medicare patients does Liliya Semenova see?
CMS counts 257 Medicare patients who saw Liliya Semenova in 2024, with an average age of 77.
What services does Liliya Semenova bill to Medicare?
In 2024, Liliya Semenova's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and surgery: heart and blood vessels (36415).
What drugs does Liliya Semenova prescribe most?
In 2024 Medicare Part D data, Liliya Semenova's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
Has Liliya Semenova received payments from drug or device companies?
CMS Open Payments shows $2,004 in general payments to Liliya Semenova from 10 companies from 2021 to 2025. The largest total came from Bristol-Myers Squibb Company.
How long has Liliya Semenova been practicing?
Liliya Semenova graduated from medical school in 2014, 12 years ago.
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