Crystal D. Cowan, FNP-BC
Nurse Practitioner · Downers Grove, IL
Crystal D. Cowan, FNP-BC is a nurse practitioner with a practice address in Downers Grove, Illinois, and NPI 1609011261, issued on Dec 11, 2008. Check the license (Illinois 209.034423, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Crystal D. Cowan
- Credential
- FNP-BC
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 209.034423 IL
3599 WI
3599-33 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1441 Branding Ave Ste 310, Downers Grove, IL 60515
- Phone
- (630) 829-1038
- Enumerated
- Dec 11, 2008
- Record last updated
- Feb 19, 2026
- Fax
- (630) 829-1080
- Medicaid ID
- 1609011261 WI
- Medicare enrollment
- Enrolled (PECOS I20260223000675); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 4,892 in Illinois → Look up another NPI →
Also registered at 1441 Branding Ave Ste 310
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joanna Bansfield, FNP-BCFamily Nurse Practitioner1992216816
- Dana Beyers, CNPFamily Nurse Practitioner1255664447
- Christine Bonavolante, LCSWClinical Social Worker1235292210
- Emily Clarke, APRNNurse Practitioner1154065167
Verify Crystal D. Cowan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209.034423Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average nurse practitioner in 2024
78 Medicare Part D claims for 37 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Donepezil Hcl19 claims
- Sumatriptan Succinate11 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.
Bills Medicare through 2 group practices
- Advocate Health And Hospitals CorporationDowners Grove, IL
- Prohealth Medical Group IncWaukesha, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Crystal D. Cowan among 4,892 nurse practitioner records in Illinois
Crystal D. Cowan, FNP-BC is one of 4,892 nurse practitioner records with a practice address in Illinois. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 15% of them.
- NPI issued2008 · 15% of these records are older, 83% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2008 · median 2018 among the 3,389 with a school on file
- Record last updated2026 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
52 nurse practitioner records list a practice address in Downers Grove
They are 52 of the 1,899 NPPES records with a practice address in Downers Grove, and 4,892 nurse practitioner records in Illinois.
All 4,892 in Illinois → Every provider in Downers Grove → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Maddalena Deneufbourg, CNPDowners Grove, IL 605151952461972
- Katrina Escarilla, R.N., A.P.N.,C.N.P.Downers Grove, IL 605151689881518
- Marikay Fitzpatrick, FAMILY MEDICINE NPDowners Grove, IL 605151336193002
- Victoria Kelly, APRNDowners Grove, IL 605151255324513
- Karen Knox, APNDowners Grove, IL 605151083796270
- Patricia May, NPDowners Grove, IL 605151821016213
- Kathy O'Grady, NPDowners Grove, IL 605151942235908
- Candy Schilf, N.P.Downers Grove, IL 605151316940737
Common questions
What is Crystal D. Cowan, FNP-BC's NPI number?
Crystal D. Cowan, FNP-BC's National Provider Identifier (NPI) is 1609011261, issued on Dec 11, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Crystal D. Cowan, FNP-BC located?
The NPPES record lists a practice address at 1441 Branding Ave Ste 310, Downers Grove, IL, 60515. Phone: (630) 829-1038. Providers update this record themselves, so call before visiting.
How can I verify Crystal D. Cowan, FNP-BC's license?
NPPES lists Illinois license number 209.034423, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Crystal D. Cowan, FNP-BC prescribe under Medicare Part D?
In 2024, Crystal D. Cowan, FNP-BC had 78 Medicare Part D claims for 37 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.