NPPES file of Aug 9, 2026

Tanya Watts Kristof, MD

Urology Physician · Winfield, IL

Tanya Watts Kristof, MD is a urology physician with a practice address in Winfield, Illinois, and NPI 1619407699, issued on Jun 13, 2017. Check the license (Illinois 036.153438, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1619407699
Name
Tanya Watts Kristof
Credential
MD
Primary taxonomy
Urology Physician 208800000X
License numbers
036.153438 IL
125.071219 IL
Self-reported in NPPES; status is on the state search
Practice location
0S036 Church St Ste 300, Winfield, IL 60190
Phone
(331) 732-4600
Enumerated
Jun 13, 2017
Record last updated
Sep 13, 2023
Fax
(331) 732-4602
Medicare enrollment
Enrolled (PECOS I20231102001462); accepts Medicare assignment
Medical or professional school
University Of Oklahoma College Of Medicine, 2017
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 0S036 Church St Ste 300

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

  1. John Christensen, MDUrology Physician1093730756
  2. Katie Gillies, PA-CPhysician Assistant1356714075
  3. Song Jiang, M.D.Urology Physician1760836472
  4. Jeremy Lai, MDUrology Physician1639568447
  5. Jennifer Simonaire, DOAllergy Physician1790102176
  6. Matthew Sloan, MDUrology Physician1225521370

Verify Tanya Watts Kristof in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036.153438
    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 Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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71% fewer Medicare Part D claims than the average urology physician in 2024

395 Medicare Part D claims for 155 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 26 claims were for opioids.

  1. Tanya Kristof395
  2. Specialty average1,340

Most prescribed

  1. Tamsulosin Hcl87 claims
  2. Methenamine Hippurate53 claims
  3. Oxybutynin Chloride28 claims
  4. Myrbetriq25 claims
  5. Estradiol21 claims
  6. Nitrofurantoin Mono-Macro19 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): 94.1 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 score82.6
  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).

Industry payments in 2024: $409.49

4 payments; by number, the most common kind was food and beverage; the largest payer was Laborie Medical Technologies Corp. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tanya Kristof$409.49
  2. Specialty average$3,800.04

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

  1. Northwestern Medical Faculty FoundationWinfield, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Tanya Watts Kristof among 629 urology physician records in Illinois

Tanya Watts Kristof, MD is one of 629 urology physician records with a practice address in Illinois. 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 2017, is newer than 76% of them.

  • NPI issued2017 · 76% of these records are older, 22% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated2017 · median 2002 among the 341 with a school on file
  • Record last updated2023 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

9 urology physician records list a practice address in Winfield

They are 9 of the 778 NPPES records with a practice address in Winfield, and 629 urology physician records in Illinois.

The 8 urology physician records with the nearest ZIP codes

  1. John Christensen, MDWinfield, IL 601901093730756
  2. Song Jiang, M.D.Winfield, IL 601901760836472
  3. Jeremy Lai, MDWinfield, IL 601901639568447
  4. Ernst Lisek, MDWinfield, IL 601901437126315
  5. Joseph Oh, MDWinfield, IL 601901225086663
  6. Matthew Sloan, MDWinfield, IL 601901225521370
  7. Craig Smith, MDWinfield, IL 601901225098031
  8. Jean Ung, MDWinfield, IL 601901316908312

Common questions

What is Tanya Watts Kristof, MD's NPI number?

Tanya Watts Kristof, MD's National Provider Identifier (NPI) is 1619407699, issued on Jun 13, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Tanya Watts Kristof, MD located?

The NPPES record lists a practice address at 0S036 Church St Ste 300, Winfield, IL, 60190. Phone: (331) 732-4600. Providers update this record themselves, so call before visiting.

How can I verify Tanya Watts Kristof, MD's license?

NPPES lists Illinois license number 036.153438, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Tanya Watts Kristof, MD prescribe under Medicare Part D?

In 2024, Tanya Watts Kristof, MD had 395 Medicare Part D claims for 155 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.

What is Tanya Watts Kristof, MD's MIPS final score?

The 2023 MIPS final score is 94.1 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.