Anna Kastanas, APN
Nurse Practitioner · Crystal Lake, IL
Anna Kastanas, APN is a nurse practitioner with a practice address in Crystal Lake, Illinois, and NPI 1609310259, issued on Dec 15, 2016. Check the license (Illinois 209015271, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Anna Kastanas
- Credential
- APN
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 209015271 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1 S Virginia St, Crystal Lake, IL 60014
- Phone
- (815) 356-9371
- Enumerated
- Dec 15, 2016
- Record last updated
- Dec 15, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (815) 356-9428
- Medicare enrollment
- Enrolled (PECOS I20170105000122); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 4,892 in Illinois → Look up another NPI →
Also registered at 1 S Virginia St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Anna Kastanas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209015271Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average nurse practitioner in 2024
142 Medicare Part D claims for 41 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 45 claims were for opioids.
Most prescribed
- Gabapentin33 claims
- Hydrocodone-Acetaminophen25 claims
- Triamcinolone Acetonide17 claims
- Meloxicam13 claims
- Tramadol Hcl13 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): 10.2 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $128.00
1 payment: food and beverage; the largest payer was Amgen Inc. The 38,884 providers of this specialty with any payment received $791.64 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.
Bills Medicare through one group practice
- Chestnut Health OF Illinois LLCElgin, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Anna Kastanas among 4,892 nurse practitioner records in Illinois
Anna Kastanas, APN 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 2016, is newer than 36% of them.
- NPI issued2016 · 36% of these records are older, 58% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2016 · median 2018 among the 3,389 with a school on file
- Record last updated2016 · 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).
22 nurse practitioner records list a practice address in Crystal Lake
They are 22 of the 1,442 NPPES records with a practice address in Crystal Lake, and 4,892 nurse practitioner records in Illinois.
All 4,892 in Illinois → Every provider in Crystal Lake → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Jessica Barrera, APNCrystal Lake, IL 600141093356974
- Susan Bockman, MSN, CNPCrystal Lake, IL 600141710266903
- Gina Chmela, APNCrystal Lake, IL 600141558668764
- Candace Esposito, FNP-BCCrystal Lake, IL 600141114568367
- Christine Hepperlen, NPCrystal Lake, IL 600141316017007
- Joanna Hutson, NP-CCrystal Lake, IL 600141730632407
- Sandra Jaeschke, CNPCrystal Lake, IL 600141003815770
- Rachel Kinnas, WHNP-BCCrystal Lake, IL 600141336492198
Common questions
What is Anna Kastanas, APN's NPI number?
Anna Kastanas, APN's National Provider Identifier (NPI) is 1609310259, issued on Dec 15, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Anna Kastanas, APN located?
The NPPES record lists a practice address at 1 S Virginia St, Crystal Lake, IL, 60014. Phone: (815) 356-9371. Providers update this record themselves, so call before visiting.
How can I verify Anna Kastanas, APN's license?
NPPES lists Illinois license number 209015271, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Anna Kastanas, APN prescribe under Medicare Part D?
In 2024, Anna Kastanas, APN had 142 Medicare Part D claims for 41 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Anna Kastanas, APN's MIPS final score?
The 2023 MIPS final score is 10.2 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.