NATHANIEL GREGOIRE
NPI 1477956811
Physician Assistant - Surgical in Springfield, IL

Active since September 30, 2014PECOS EnrolledAccepts Medicare Assignment
800 N 1ST ST, SPRINGFIELD, IL 62702(217) 528-7541 Get Directions Write a Review

NPPES record last updated: May 22, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 22, 2020, Mar 14, 2019 (2 updates tracked since 2019).

About Nathaniel Gregoire NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NATHANIEL GREGOIRE (NPI 1477956811) is an individual surgical provider in Springfield, Illinois, licensed in Illinois (085005246) and active in the NPI registry since September 2014. He is enrolled in Medicare PECOS, is affiliated with St Johns Hospital, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1477956811
Entity TypeIndividualMale
Primary Taxonomy363AS0400X
Provider Legal NameNATHANIEL GREGOIRE
Location Address800 N 1ST STSpringfield, IL 62702-3719
Mailing Address1025 S 6th StSpringfield, IL 62703-2403 · (217) 528-7541
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateSeptember 30, 2014
Last NPPES UpdateMay 22, 20202 updates tracked since enumeration
NPPES CertifiedMay 22, 2020
✔ NPI 1477956811 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · SurgicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AS0400X
License✔ Licensed in IL · 085005246
800 N 1ST ST, Springfield, IL 62702

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Nathaniel Gregoire is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID840412383
PECOS Enrollment IDI20141117001516
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg J0702
This injection contains two medications, betamethasone acetate and betamethasone sodium phosphate. It is used to reduce inflammation and pain. It's given by a healthcare professional, often directly into the area causing discomfort.
311 services98 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
190 services81 patients
Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose J7323
Hyaluronan or Euflexxa is a substance similar to a natural substance in your joints. It's injected into the joint space to treat pain from osteoarthritis, especially in the knee. It helps to lubricate the joint, reducing pain and improving mobility.
85 services15 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
75 services68 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
61 services48 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
27 services27 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Johns Hospital

Acute Care Hospitals · Springfield, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140053
Location800 E Carpenter StSpringfield, IL 62769 · Sangamon County
Emergency services Birthing friendly

Abraham Lincoln Memorial Hospital

Critical Access Hospitals · Lincoln, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number141322
Location200 Stahlhut DriveLincoln, IL 62656 · Logan County
Emergency services

Taylorville Memorial Hospital

Critical Access Hospitals · Taylorville, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number141339
Location201 East Pleasant StreetTaylorville, IL 62568 · Christian County
Emergency services

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physical Therapy Assistant
800 N 1ST ST
SPRINGFIELD, IL 62702
Physician Assistant
800 N 1ST ST
SPRINGFIELD, IL 62702
Physician Assistant (Surgical)
800 N 1ST ST
SPRINGFIELD, IL 62702
Physical Therapist
800 N 1ST ST
SPRINGFIELD, IL 62702
Nurse Practitioner (Family)
800 N 1ST ST
SPRINGFIELD, IL 62702
Physical Therapist
800 N 1ST ST
SPRINGFIELD, IL 62702
Internal Medicine (Cardiovascular Disease)
800 N 1ST ST
SPRINGFIELD, IL 62702
Internal Medicine (Interventional Cardiology)
800 N 1ST ST
SPRINGFIELD, IL 62702

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nathaniel Gregoire's NPI number?

The NPI number for Nathaniel Gregoire is 1477956811. It was assigned to this individual provider in the NPPES registry on September 30, 2014.

Where is Nathaniel Gregoire located?

Nathaniel Gregoire practices at 800 N 1st St, Springfield, IL 62702. The listed phone number is (217) 528-7541.

What is Nathaniel Gregoire's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Is Nathaniel Gregoire enrolled in Medicare?

Yes. Nathaniel Gregoire is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Nathaniel Gregoire affiliated with any hospitals?

According to CMS data, Nathaniel Gregoire is affiliated with St Johns Hospital, Abraham Lincoln Memorial Hospital and Taylorville Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Nathaniel Gregoire was last updated on May 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.