NPPES file of Aug 9, 2026

Gracykutty T. Sebastian, CNP

Nurse Practitioner · McHenry, IL

Gracykutty T. Sebastian, CNP is a nurse practitioner with a practice address in McHenry, Illinois, and NPI 1629375985, issued on Feb 23, 2011. Check the license (Illinois 209-007338, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629375985
Name
Gracykutty T. Sebastian
Credential
CNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
209-007338 IL
Self-reported in NPPES; status is on the state search
Practice location
4201 W Medical Center Dr, McHenry, IL 60050
Phone
(815) 759-4323
Enumerated
Feb 23, 2011
Record last updated
Apr 21, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(815) 759-4948
Medicare enrollment
Enrolled (PECOS I20110502000664); accepts Medicare assignment
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 4201 W Medical Center Dr

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

  1. Elias AbousaadInternal Medicine Physician1952751877
  2. Kimberly Ackert, PA-CPhysician Assistant1538172739
  3. Van AliEmergency Medicine Physician1457674582
  4. Wasfia Alikhan, M.D.Diagnostic Radiology Physician1902291834
  5. Yasser Almadani, MDStudent in an Organized Health Care Education/Training Program1881497634
  6. Altaf Aman, M.D.Hospitalist Physician1942381132

Verify Gracykutty T. Sebastian in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 209-007338    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
Find 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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82% fewer Medicare Part D claims than the average nurse practitioner in 2024

202 Medicare Part D claims for 136 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 17 claims were for opioids.

  1. Gracykutty Sebastian202
  2. Specialty average1,109

Most prescribed

  1. Pantoprazole Sodium26 claims
  2. Eliquis13 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 one group practice

  1. Northwestern Medical Faculty FoundationHuntley, IL

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

42 nurse practitioner records list a practice address in McHenry

They are 42 of the 1,852 NPPES records with a practice address in McHenry, and 4,892 nurse practitioner records in Illinois.

All 42 in McHenry → All 4,892 in Illinois → Every provider in McHenry →

Other nurse practitioner records in Illinois

  1. Janice Abadilla, FNP-BCPeoria, IL1548157175
  2. Philomena AbebePark Ridge, IL1902780174
  3. Milagros Abellera, APNChicago, IL1528076239
  4. Edwina Abloh, APN-CNPSkokie, IL1689314098
  5. Sandra Abraham, CNPDwight, IL1982883245
  6. Sharon Abraham, APN-CNPArlington Heights, IL1396485884
  7. Hazel Acacio, APNPWauconda, IL1205471679
  8. Anthony Aceto, APRN, FNP-CSchaumburg, IL1891302956
  9. Francisco Acevedo, APRN, CNPMokena, IL1467446930
  10. Mina Acevedo, APRNGlenview, IL1972174688

Common questions

What is Gracykutty T. Sebastian, CNP's NPI number?

Gracykutty T. Sebastian, CNP's National Provider Identifier (NPI) is 1629375985, issued on Feb 23, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Gracykutty T. Sebastian, CNP located?

The NPPES record lists a practice address at 4201 W Medical Center Dr, McHenry, IL, 60050. Phone: (815) 759-4323. Providers update this record themselves, so call before visiting.

How can I verify Gracykutty T. Sebastian, CNP's license?

NPPES lists Illinois license number 209-007338, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Gracykutty T. Sebastian, CNP prescribe under Medicare Part D?

In 2024, Gracykutty T. Sebastian, CNP had 202 Medicare Part D claims for 136 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.