Nathaniel Gregoire
Surgical Physician Assistant · Springfield, IL
Nathaniel Gregoire is a surgical physician assistant with a practice address in Springfield, Illinois, and NPI 1477956811, issued on Sep 30, 2014. Check the license (Illinois 085005246, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nathaniel Gregoire
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License number
- 085005246 IL
Self-reported in NPPES; status is on the state search - Practice location
- 800 N 1St St, Springfield, IL 62702
- Phone
- (217) 528-7541
- Enumerated
- Sep 30, 2014
- Record last updated
- May 22, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20141117001516); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 599 in Illinois → Look up another NPI →
Also registered at 800 N 1St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leslie Acakpo-Satchivi, MDNeurological Surgery Physician1821042680
- Dylan Afeld, M.D.Pain Medicine (Anesthesiology) Physician1205279353
- Robin Afeld, MS, FNP-BC, RNFamily Nurse Practitioner1770984718
- Sunil Agarwal, M.D, M.P.H., PHDInterventional Cardiology Physician1710204334
- Bhuvnesh Aggarwal, M.D.Interventional Cardiology Physician1760770101
- Krishna AkellaClinical Cardiac Electrophysiology Physician1982067211
Verify Nathaniel Gregoire in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 085005246Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average surgical physician assistant in 2024
221 Medicare Part D claims for 134 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 117 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen81 claims
- Meloxicam44 claims
- Tramadol Hcl30 claims
- Methylprednisolone12 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.
Industry payments in 2024: $33.27
2 payments; by number, the most common kind was food and beverage; the largest payer was Pacira Pharmaceuticals Incorporated. The 7,578 providers of this specialty with any payment received $703.95 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 3 group practices
- Family Medical Center OF Lincoln, LLCLincoln, IL
- Memorial Physician ServicesChatham, IL
- Springfield Clinic, LLPLincoln, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathaniel Gregoire among 599 surgical physician assistant records in Illinois
Nathaniel Gregoire is one of 599 surgical physician assistant records with a practice address in Illinois. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 49% of them.
- NPI issued2014 · 49% of these records are older, 47% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2014 · median 2016 among the 378 with a school on file
- Record last updated2020 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Physician Assistant providers in Illinois
There are 599 surgical physician assistant records in Illinois.
All 599 in Illinois → Every provider in Springfield → Surgical Physician Assistant nationwide →
The 8 surgical physician assistant records with the nearest ZIP codes
- Kristin Blankenship, PASpringfield, IL 627021174634562
- Jessica BroughSpringfield, IL 627021356961908
- David Purves, PASpringfield, IL 627021043405608
- Micah Servis, SA-CSpringfield, IL 627021467752220
- Justin StarlingSpringfield, IL 627021629592225
- Alyssa Tusek, PA-CSpringfield, IL 627021730175894
- Nicole Wirtz, PA-CSpringfield, IL 627021184933806
- Sydney LynchSpringfield, IL 627041003404864
Common questions
What is Nathaniel Gregoire's NPI number?
Nathaniel Gregoire's National Provider Identifier (NPI) is 1477956811, issued on Sep 30, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Nathaniel Gregoire located?
The NPPES record lists a practice address at 800 N 1St St, Springfield, IL, 62702. Phone: (217) 528-7541. Providers update this record themselves, so call before visiting.
How can I verify Nathaniel Gregoire's license?
NPPES lists Illinois license number 085005246, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Nathaniel Gregoire prescribe under Medicare Part D?
In 2024, Nathaniel Gregoire had 221 Medicare Part D claims for 134 beneficiaries; the average among surgical physician assistant prescribers was 304. 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.