Stanislaw -. Niznikiewicz, MD
Obstetrics & Gynecology Physician · Harrison, NY
Stanislaw -. Niznikiewicz, MD is an obstetrics & gynecology physician with a practice address in Harrison, New York, and NPI 1679635031, issued on Dec 14, 2006. Check the license (New York 170606, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Stanislaw -. Niznikiewicz
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 170606 NY
Self-reported in NPPES; status is on the state search - Practice location
- 351 Harrison Ave, Harrison, NY 10528
- Phone
- (914) 777-1300
- Enumerated
- Dec 14, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (914) 835-0115
- Medicare enrollment
- Enrolled (PECOS I20120222000868); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 3,174 in New York → Look up another NPI →
Also registered at 351 Harrison Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marek Niznikiewicz, DDSOral and Maxillofacial Surgery (Dentist)1578684239
Verify Stanislaw -. Niznikiewicz 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 170606Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024
389 Medicare Part D claims for 80 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Clotrimazole-Betamethasone38 claims
- Estradiol34 claims
- Terconazole26 claims
- Nitrofurantoin Mono-Macro23 claims
- Clobetasol Propionate19 claims
- Fluconazole17 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.
Industry payments in 2024: $116.59
5 payments; by number, the most common kind was food and beverage; the largest payer was Sumitomo Pharma America, 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.
Stanislaw -. Niznikiewicz among 3,174 obstetrics & gynecology physician records in New York
Stanislaw -. Niznikiewicz, MD 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 49% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1969 · median 2002 among the 1,870 with a school on file
- Record last updated2007 · 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 Harrison → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Yu-Ting Hung, MDHarrison, NY 105281699922278
- Ronald Reiss, MDHarrison, NY 105281114085206
- Beth Simon, MDHarrison, NY 105281972504132
- Julian Gingold, M.D., PH.D.Hartsdale, NY 105301346634433
- Michelle Goldsammler, MDHartsdale, NY 105301336579028
- M Park Sonoda, MDHartsdale, NY 105301265586796
- Denis Sconzo, M.D.Hartsdale, NY 105301750323671
- Marise St. Charles, D.O.Hartsdale, NY 105301174599682
Common questions
What is Stanislaw -. Niznikiewicz, MD's NPI number?
Stanislaw -. Niznikiewicz, MD's National Provider Identifier (NPI) is 1679635031, issued on Dec 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stanislaw -. Niznikiewicz, MD located?
The NPPES record lists a practice address at 351 Harrison Ave, Harrison, NY, 10528. Phone: (914) 777-1300. Providers update this record themselves, so call before visiting.
How can I verify Stanislaw -. Niznikiewicz, MD's license?
NPPES lists New York license number 170606, 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 Stanislaw -. Niznikiewicz, MD prescribe under Medicare Part D?
In 2024, Stanislaw -. Niznikiewicz, MD had 389 Medicare Part D claims for 80 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
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.