Lynn M. Sievert, NP
Hematology & Oncology Physician · Clifton Springs, NY
Lynn M. Sievert, NP is a hematology & oncology physician with a practice address in Clifton Springs, New York, and NPI 1265482400, issued on May 10, 2006. Check the license (New York F3700091, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Lynn M. Sievert
- Credential
- NP
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- F3700091 NY
370009 NY
Self-reported in NPPES; status is on the state search - Practice location
- 6 Ambulance Drive, Clifton Springs, NY 14432
- Phone
- (315) 462-1472
- Enumerated
- May 10, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (315) 462-2639
- Medicaid ID
- 02329826 NY
- Medicare enrollment
- Enrolled (PECOS I20101129000227); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,163 in New York → Look up another NPI →
Also registered at 6 Ambulance Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Virginia Hurley, NPHematology & Oncology Physician1518918663
- Stephen Ignaczak, MDHematology & Oncology Physician1962452136
Verify Lynn M. Sievert 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 F3700091Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average hematology & oncology physician in 2024
1,803 Medicare Part D claims for 281 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 66 claims were for opioids.
Most prescribed
- Xtandi204 claims
- Prednisone126 claims
- Abiraterone Acetate118 claims
- Finasteride117 claims
- Bicalutamide107 claims
- Levothyroxine Sodium86 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 practice group's MIPS final score for 2023 (Medicare payment program): 76.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- University OF RochesterRochester, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lynn M. Sievert among 1,163 hematology & oncology physician records in New York
Lynn M. Sievert, NP is one of 1,163 hematology & oncology physician records with a practice address in New York. 83% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 53% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1995 · median 2002 among the 833 with a school on file
- Record last updated2026 · 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 207RH0003X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 hematology & oncology physician records list a practice address in Clifton Springs
They are 4 of the 262 NPPES records with a practice address in Clifton Springs, and 1,163 hematology & oncology physician records in New York.
All 1,163 in New York → Every provider in Clifton Springs → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Virginia Hurley, NPClifton Springs, NY 144321518918663
- Stephen Ignaczak, MDClifton Springs, NY 144321962452136
- Kinan Yarta, MDClifton Springs, NY 144321962844936
- Xiangyun He, MDCanandaigua, NY 144241225269236
- Jonathan Rubins, M.D.Geneva, NY 144561255300877
- Mohamed Ahmed, MDNiagara Falls, NY 143041679667463
- Suleyman Sarpel, M.D.Niagara Falls, NY 143041710979612
- Bhuvana Ramkumar, MDNiagara Falls, NY 143011144484809
Common questions
What is Lynn M. Sievert, NP's NPI number?
Lynn M. Sievert, NP's National Provider Identifier (NPI) is 1265482400, issued on May 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lynn M. Sievert, NP located?
The NPPES record lists a practice address at 6 Ambulance Drive, Clifton Springs, NY, 14432. Phone: (315) 462-1472. Providers update this record themselves, so call before visiting.
How can I verify Lynn M. Sievert, NP's license?
NPPES lists New York license number F3700091, 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 Lynn M. Sievert, NP prescribe under Medicare Part D?
In 2024, Lynn M. Sievert, NP had 1,803 Medicare Part D claims for 281 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Lynn M. Sievert, NP's MIPS final score?
The 2023 MIPS final score is 76.8 of 100, reported for the practice group. 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.