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ADAM JOSEPH GEIER MD
NPI 1528703907
Emergency Medicine in Peoria, IL

Active since May 01, 2022PECOS Enrolled
221 NE GLEN OAK AVE, PEORIA, IL 61636(309) 672-5522 Get Directions Write a Review

NPPES record last updated: July 24, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 24, 2026, Jul 8, 2026 (2 updates tracked since 2026).

About Adam Joseph Geier Md NPPES

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

ADAM JOSEPH GEIER MD (NPI 1528703907) is an individual emergency medicine provider in Peoria, Illinois, licensed in Illinois (036176319) and active in the NPI registry since May 2022. He is enrolled in Medicare PECOS and maintains a secondary practice location in Wauwatosa.

NPPES Registry Identity

NPI1528703907
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameADAM JOSEPH GEIERCredential: MD
Location Address221 NE GLEN OAK AVEPeoria, IL 61636-1000
Mailing Address221 Ne Glen Oak AvePeoria, IL 61636-1000 · (309) 672-5522
Phone(309) 672-5522
Sole ProprietorNo
Enumeration DateMay 1, 2022
Last NPPES UpdateJuly 24, 20262 updates tracked since enumeration
NPPES CertifiedJuly 24, 2026
✔ NPI 1528703907 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in IL · 036176319
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
221 NE GLEN OAK AVE, Peoria, IL 61636
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Secondary Practice Location 1

Location 110625 W North Ave Ste 101BWauwatosa, WI 53226-2315 · Phone (414) 877-5350

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Adam Joseph Geier Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

3

Medicare enrollment records show Adam Geier reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Methodist Medical Center Of Illinois
Same address
General Acute Care Hospital
221 NE GLEN OAK AVE
Peoria, IL 61636
  • Reassigned Medicare billing, Illinois enrollment
  • Also billed through NPI 1265966048 (Illinois)
  • 693 clinicians in this Medicare group
NPI 1164474755 (309) 672-5522
Carle Health Medical Group
83 mi
Internal Medicine
611 W PARK ST
Urbana, IL 61801
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Carle Health Care Incorporated
  • 2,516 clinicians in this Medicare group
NPI 1154653947 (217) 383-8300
Emergency Medicine Specialists, S.C.
178 mi
Emergency Medicine
10625 W NORTH AVE, SUITE 102
Milwaukee, WI 53226
  • Reassigned Medicare billing, Wisconsin enrollment
  • Medicare enrollment name: Emergency Medicine Specialists Sc
  • 244 clinicians in this Medicare group
NPI 1568413524 (414) 877-5350

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 61636 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.71 typical visit price
range $54.80 – $168.44
Typical copayment $21.42 (range $13.70 – $42.11)
Most-billed visit code 99203
Established Patient
$97.25 typical visit price
range $17.16 – $136.56
Typical copayment $24.31 (range $4.29 – $34.14)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

BRYCE HAMAMOTO
Student in an Organized Health Care Education/Training Program
221 NE GLEN OAK AVE
PEORIA, IL 61636
Peoria County (309) 672-5522
RIAZ SHAH MD
Internal Medicine
221 NE GLEN OAK AVE, SUITE 504
PEORIA, IL 61636
Peoria County (309) 672-5729
CENTRAL ILLINOIS RADIATION ONCOLOGY PHYSICIANS, LTD
Radiology (Radiation Oncology)
221 NE GLEN OAK AVE
PEORIA, IL 61636
Peoria County (309) 672-5700
MIHAILO NIKOLIC
Nurse Anesthetist, Certified Registered
221 NE GLEN OAK AVE
PEORIA, IL 61636
Peoria County (309) 672-5654
WAQAS ALI MD
Internal Medicine
221 NE GLEN OAK AVE
PEORIA, IL 61636
Peoria County (309) 672-5522
ANNE LOOK APN
Nurse Practitioner (Acute Care)
221 NE GLEN OAK AVE
PEORIA, IL 61636
Peoria County (309) 672-5522
DR. KENNETH STRUM M.D.
Anesthesiology
221 NE GLEN OAK AVE
PEORIA, IL 61636
Peoria County (309) 369-1761
DR. ANDREW BRIAN ARMSTRONG M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
221 NE GLEN OAK AVE
PEORIA, IL 61636
Peoria County (309) 672-4920

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 Adam Geier's NPI number?

The NPI number for Adam Geier is 1528703907. It was assigned to this individual provider in the NPPES registry on May 1, 2022.

Where is Adam Geier located?

Adam Geier practices at 221 NE Glen Oak Ave, Peoria, IL 61636. The listed phone number is (309) 672-5522.

What is Adam Geier's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Adam Geier enrolled in Medicare?

Yes. Adam Geier is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Adam Geier's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Adam Geier reassigns Medicare benefits to 3 organizations: Methodist Medical Center Of Illinois (Peoria, IL), Carle Health Medical Group (Urbana, IL) and Emergency Medicine Specialists, S.C. (Milwaukee, WI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Adam Geier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Adam Geier was last updated on July 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.