Claire Anastos, NP
Nurse Practitioner · Grayslake, IL
Claire Anastos, NP is a nurse practitioner with a practice address in Grayslake, Illinois, and NPI 1265022693, issued on Jan 20, 2021. Check the license (Illinois 209022672, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Claire Anastos
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 209022672 IL
Self-reported in NPPES; status is on the state search - Practice location
- 312 Lionel Dr, Grayslake, IL 60030
- Phone
- (847) 704-2280
- Enumerated
- Jan 20, 2021
- Record last updated
- Aug 30, 2024
- Medicare enrollment
- Enrolled (PECOS I20211005000285); accepts Medicare assignment
- Entity
- Type 1 · individual
Verify Claire Anastos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209022672Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average nurse practitioner in 2024
97 Medicare Part D claims for 70 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Ciprofloxacin Hcl21 claims
- Amoxicillin-Clavulanate Potass12 claims
- Doxycycline Hyclate11 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 practice group's MIPS final score for 2023 (Medicare payment program): 100 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
- Infectious Disease Consultants OF Northern Illinois SCLibertyville, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nurse Practitioner providers in Illinois
There are 4,892 nurse practitioner records in Illinois.
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- Edwina Abloh, APN-CNPSkokie, IL1689314098
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- Sharon Abraham, APN-CNPArlington Heights, IL1396485884
- Hazel Acacio, APNPWauconda, IL1205471679
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- Francisco Acevedo, APRN, CNPMokena, IL1467446930
- Mina Acevedo, APRNGlenview, IL1972174688
Common questions
What is Claire Anastos, NP's NPI number?
Claire Anastos, NP's National Provider Identifier (NPI) is 1265022693, issued on Jan 20, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Claire Anastos, NP located?
The NPPES record lists a practice address at 312 Lionel Dr, Grayslake, IL, 60030. Phone: (847) 704-2280. Providers update this record themselves, so call before visiting.
How can I verify Claire Anastos, NP's license?
NPPES lists Illinois license number 209022672, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Claire Anastos, NP prescribe under Medicare Part D?
In 2024, Claire Anastos, NP had 97 Medicare Part D claims for 70 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Claire Anastos, NP's MIPS final score?
The 2023 MIPS final score is 100 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.