NPPES file of Aug 9, 2026

Tamara L. Gregory, APN-CRNA

Certified Registered Nurse Anesthetist · Arlington Heights, IL

Tamara L. Gregory, APN-CRNA is a certified registered nurse anesthetist with a practice address in Arlington Heights, Illinois, and NPI 1811928633, issued on Jul 6, 2006. Check the license (Illinois 209003175, 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 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1811928633
Name
Tamara L. Gregory
Credential
APN-CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License numbers
209003175 IL
041281986 IL
Self-reported in NPPES; status is on the state search
Practice location
800 W Central RD, Arlington Heights, IL 60005
Phone
(847) 618-7140
Enumerated
Jul 6, 2006
Record last updated
Apr 2, 2026
Fax
(847) 618-0228
Medicare enrollment
Enrolled (PECOS I20090123000480); 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 800 W Central RD

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

  1. Fiaz Ahmed, MDAnesthesiology Physician1407924251
  2. Syed Ahmed, MDAnesthesiology Physician1124187257
  3. Catherine Ahn, MDAnesthesiology Physician1245308022
  4. Juli AistarsOncology Clinical Nurse Specialist1861883209
  5. A Akbar, M.D.Anesthesiology Physician1144203282
  6. Ayham Alagha, M.D.Hospitalist Physician1851779151

Verify Tamara L. Gregory 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 209003175
    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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The MIPS final score for 2023 (Medicare payment program): 93.1 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.

  1. Qualityout of 100 · 30% of the final score80.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Endeavor Health Medical GroupEvanston, IL
  2. Windy City Anesthesia PCFrankfort, IL

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

Tamara L. Gregory among 2,444 certified registered nurse anesthetist records in Illinois

Tamara L. Gregory, APN-CRNA is one of 2,444 certified registered nurse anesthetist records with a practice address in Illinois. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 73% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 79% of these records are
  • Graduated2000 · median 2015 among the 1,926 with a school on file
  • Record last updated2026 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

50 certified registered nurse anesthetist records list a practice address in Arlington Heights

They are 50 of the 2,697 NPPES records with a practice address in Arlington Heights, and 2,444 certified registered nurse anesthetist records in Illinois.

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Charles Blades, CRNAArlington Heights, IL 600051134194228
  2. Joseph Box, CRNAArlington Heights, IL 600051306105788
  3. Helen Fremichael, APN-CRNAArlington Heights, IL 600051740621572
  4. Phillip Ivy, APN-CRNAArlington Heights, IL 600051861670432
  5. Jamie Kedzior, CRNAArlington Heights, IL 600051568746725
  6. Karen Nelson, APN-CRNAArlington Heights, IL 600051629085915
  7. Victor Olavarria, CRNAArlington Heights, IL 600051891072005
  8. Yelena Rikhman, APN-CRNAArlington Heights, IL 600051083029375

Common questions

What is Tamara L. Gregory, APN-CRNA's NPI number?

Tamara L. Gregory, APN-CRNA's National Provider Identifier (NPI) is 1811928633, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Tamara L. Gregory, APN-CRNA located?

The NPPES record lists a practice address at 800 W Central RD, Arlington Heights, IL, 60005. Phone: (847) 618-7140. Providers update this record themselves, so call before visiting.

How can I verify Tamara L. Gregory, APN-CRNA's license?

NPPES lists Illinois license number 209003175, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

What is Tamara L. Gregory, APN-CRNA's MIPS final score?

The 2023 MIPS final score is 93.1 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.