Jennifer Slagus, M.D.
Obstetrics & Gynecology Physician · Smithtown, NY
Jennifer Slagus, M.D. is an obstetrics & gynecology physician with a practice address in Smithtown, New York, and NPI 1023428455, issued on May 7, 2014. Check the license (New York 294675, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Jennifer Slagus
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 294675 NY
Self-reported in NPPES; status is on the state search - Practice location
- 48 Route 25A Ste 207, Smithtown, NY 11787
- Phone
- (631) 862-3800
- Enumerated
- May 7, 2014
- Record last updated
- Dec 3, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (631) 265-5520
- Medicare enrollment
- Enrolled (PECOS I20180725001023); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Buffalo School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 3,174 in New York → Look up another NPI →
Also registered at 48 Route 25A Ste 207
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa Amorin, M.D.Obstetrics & Gynecology Physician1972622520
- Michael Gentilesco, M.D.Obstetrics & Gynecology Physician1932219110
- Charles Mann, M.D.Obstetrics & Gynecology Physician1043320344
- Morisa Marin, M.D.Gynecology Physician1467562645
Verify Jennifer Slagus 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 294675Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
53 Medicare Part D claims for 33 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol11 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): 81.1 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).
Industry payments in 2024: $374.13
12 payments; by number, the most common kind was food and beverage; the largest payer was Daiichi Sankyo Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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.
Bills Medicare through one group practice
- North Shore Hematology Oncology Associates PCSmithtown, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jennifer Slagus among 3,174 obstetrics & gynecology physician records in New York
Jennifer Slagus, M.D. is one of 3,174 obstetrics & gynecology physician records with a practice address in New York. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 78% of them.
- NPI issued2014 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2014 · median 2002 among the 1,870 with a school on file
- Record last updated2019 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in New York
There are 3,174 obstetrics & gynecology physician records in New York.
All 3,174 in New York → Every provider in Smithtown → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Lisa Amorin, M.D.Smithtown, NY 117871972622520
- Theodore Blaszczyk, M.D.Smithtown, NY 117871962588640
- Michael Gentilesco, M.D.Smithtown, NY 117871932219110
- Polly Kanganis, M.D.Smithtown, NY 117871477644698
- Nicholas Kleopoulos M.d., MDSmithtown, NY 117871730248659
- Charles Mann, M.D.Smithtown, NY 117871043320344
- Dinesh Vadher, MDSmithtown, NY 117871861563504
- Robin Bliss, MDHauppauge, NY 117881871564005
Common questions
What is Jennifer Slagus, M.D.'s NPI number?
Jennifer Slagus, M.D.'s National Provider Identifier (NPI) is 1023428455, issued on May 7, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Slagus, M.D. located?
The NPPES record lists a practice address at 48 Route 25A Ste 207, Smithtown, NY, 11787. Phone: (631) 862-3800. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Slagus, M.D.'s license?
NPPES lists New York license number 294675, 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 Jennifer Slagus, M.D. prescribe under Medicare Part D?
In 2024, Jennifer Slagus, M.D. had 53 Medicare Part D claims for 33 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Jennifer Slagus, M.D.'s MIPS final score?
The 2023 MIPS final score is 81.1 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.