NPPES file of Aug 9, 2026

Stephen Michael Ignaczak, MD

Hematology & Oncology Physician · Clifton Springs, NY

Stephen Michael Ignaczak, MD is a hematology & oncology physician with a practice address in Clifton Springs, New York, and NPI 1962452136, issued on May 11, 2006. Check the license (New York 185807, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1962452136
Name
Stephen Michael Ignaczak
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
185807 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 11, 2006
Record last updated
Jul 13, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(315) 462-2639
Medicare enrollment
Enrolled (PECOS I20100226000174); accepts Medicare assignment
Medical or professional school
Hahneman Medical College Of The Pacific, 1988
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 6 Ambulance Drive

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Virginia Hurley, NPHematology & Oncology Physician1518918663
  2. Lynn Sievert, NPHematology & Oncology Physician1265482400

Verify Stephen Michael Ignaczak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 185807
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

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14% more Medicare Part D claims than the average hematology & oncology physician in 2024

1,000 Medicare Part D claims for 238 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 68 claims were for opioids.

  1. Stephen Ignaczak1,000
  2. Specialty average877

Most prescribed

  1. Anastrozole133 claims
  2. Prednisone114 claims
  3. Prochlorperazine Maleate97 claims
  4. Hydroxyurea54 claims
  5. Abiraterone Acetate47 claims
  6. Tamoxifen Citrate43 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 MIPS final score for 2023 (Medicare payment program): 95.2 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score70.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

2 hospitals and group practices

  1. Rochester General HospitalRochester, NY · Acute Care Hospitals2 of 5 stars
  2. Clifton Springs Sanitarium COClifton Springs, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Stephen Michael Ignaczak among 1,163 hematology & oncology physician records in New York

Stephen Michael Ignaczak, MD 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
  • Graduated1988 · median 2002 among the 833 with a school on file
  • Record last updated2007 · 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.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Virginia Hurley, NPClifton Springs, NY 144321518918663
  2. Lynn Sievert, NPClifton Springs, NY 144321265482400
  3. Kinan Yarta, MDClifton Springs, NY 144321962844936
  4. Xiangyun He, MDCanandaigua, NY 144241225269236
  5. Jonathan Rubins, M.D.Geneva, NY 144561255300877
  6. Mohamed Ahmed, MDNiagara Falls, NY 143041679667463
  7. Suleyman Sarpel, M.D.Niagara Falls, NY 143041710979612
  8. Bhuvana Ramkumar, MDNiagara Falls, NY 143011144484809

Common questions

What is Stephen Michael Ignaczak, MD's NPI number?

Stephen Michael Ignaczak, MD's National Provider Identifier (NPI) is 1962452136, issued on May 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Michael Ignaczak, MD 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 Stephen Michael Ignaczak, MD's license?

NPPES lists New York license number 185807, 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 Stephen Michael Ignaczak, MD prescribe under Medicare Part D?

In 2024, Stephen Michael Ignaczak, MD had 1,000 Medicare Part D claims for 238 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Stephen Michael Ignaczak, MD's MIPS final score?

The 2023 MIPS final score is 95.2 of 100. 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.