Gretchen York
Family Nurse Practitioner · Chicago, IL
Gretchen York is a family nurse practitioner with a practice address in Chicago, Illinois, and NPI 1013472406, issued on Feb 10, 2019. Check the license (Illinois 209.018880, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gretchen York
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 209.018880 IL
12772236-4405 UT
Self-reported in NPPES; status is on the state search - Practice location
- 259 E Erie St, Chicago, IL 60611
- Phone
- (610) 212-4235
- Enumerated
- Feb 10, 2019
- Record last updated
- Oct 20, 2022
- Medicare enrollment
- Enrolled (PECOS I20220915002016); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 7,639 in Illinois → Look up another NPI →
Also registered at 259 E Erie St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gretchen York in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209.018880Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family nurse practitioner in 2024
23 Medicare Part D claims for 12 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
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): 92.1 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).
Bills Medicare through one group practice
- University OF Utah Adult ServicesSalt Lake City, UT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gretchen York among 7,639 family nurse practitioner records in Illinois
Gretchen York is one of 7,639 family nurse practitioner records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 51% of them.
- NPI issued2019 · 51% of these records are older, 41% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2018 · median 2018 among the 4,778 with a school on file
- Record last updated2022 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,567 family nurse practitioner records list a practice address in Chicago
They are 1,567 of the 63,379 NPPES records with a practice address in Chicago, and 7,639 family nurse practitioner records in Illinois.
All 7,639 in Illinois → Every provider in Chicago → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Cynthia Bender, NPChicago, IL 606111700951241
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- Therese Denecke-Dattalo, NPChicago, IL 606111770660243
- Sejal Gehani, FNPChicago, IL 606111548285414
- Robert Gottschalk, ND, FNPChicago, IL 606111225017171
- Elizabeth Hamilton, NPChicago, IL 606111326159005
- Mary Hardesty, NPChicago, IL 606111053340406
- Ruth Michon, NPChicago, IL 606111447280573
Common questions
What is Gretchen York's NPI number?
Gretchen York's National Provider Identifier (NPI) is 1013472406, issued on Feb 10, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Gretchen York located?
The NPPES record lists a practice address at 259 E Erie St, Chicago, IL, 60611. Phone: (610) 212-4235. Providers update this record themselves, so call before visiting.
How can I verify Gretchen York's license?
NPPES lists Illinois license number 209.018880, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Gretchen York prescribe under Medicare Part D?
In 2024, Gretchen York had 23 Medicare Part D claims for 12 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Gretchen York's MIPS final score?
The 2023 MIPS final score is 92.1 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.