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DR. MATTHEW CHARLES KLEINMAIER M.D.
NPI 1497949911
Emergency Medicine in Chicago, IL

Active since August 28, 2007PECOS Enrolled
86.64/100
CMS Quality Rating
259 E ERIE ST, SUITE 100, CHICAGO, IL 60611(312) 926-9512 Get Directions Write a Review

NPPES record last updated: August 28, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Matthew Charles Kleinmaier M.d. NPPES

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

DR. MATTHEW CHARLES KLEINMAIER M.D. (NPI 1497949911) is an individual emergency medicine provider in Chicago, Illinois and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1497949911
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. MATTHEW CHARLES KLEINMAIERCredential: M.D.
Location Address259 E ERIE ST, SUITE 100Chicago, IL 60611-2930
Mailing Address259 E Erie St, Suite 100Chicago, IL 60611-2930 · (312) 926-9512
Phone(312) 926-9512
Sole ProprietorNo
Enumeration DateAugust 28, 2007
✔ NPI 1497949911 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
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.
259 E ERIE ST, Chicago, IL 60611
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Matthew Charles Kleinmaier M.d. 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

4

Medicare enrollment records show Matthew Kleinmaier reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mary Imogene Bassett Hospital
652 mi
Multi-Specialty
1 ATWELL RD
Cooperstown, NY 13326
  • Reassigned Medicare billing, New York enrollment
  • 1,052 clinicians in this Medicare group
NPI 1083664221 (607) 547-6858
O'connor Hospital
653 mi
Critical Access
460 ANDES RD
Delhi, NY 13753
  • Reassigned Medicare billing, New York enrollment
  • 199 clinicians in this Medicare group
NPI 1891728192 (607) 746-0326
Little Falls Hospital
657 mi
Critical Access
140 BURWELL ST
Little Falls, NY 13365
  • Reassigned Medicare billing, New York enrollment
  • 202 clinicians in this Medicare group
NPI 1558321919 (315) 823-5281
Bassett Hospital Of Schoharie County
675 mi
Critical Access
178 GRANDVIEW DR
Cobleskill, NY 12043
  • Reassigned Medicare billing, New York enrollment
  • 202 clinicians in this Medicare group
NPI 1891862579 (518) 254-3456

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

Areas of Expertise CMS Part B claims 3

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.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
252 services239 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
165 services155 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
60 services60 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

86.64/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality80.13
Promoting Interoperability74
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers17 claims17 services$20.11 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers18 claims18 services$106.48 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DIANE MARIE HEIDMANN MD
Internal Medicine
259 E ERIE ST, SUITE 2230
CHICAGO, IL 60611
Cook County (312) 926-6000
DR. VEHNIAH KRISTIN TJONG M.D.
Orthopaedic Surgery (Sports Medicine)
259 E ERIE ST, 13TH FLOOR
CHICAGO, IL 60611
Cook County (312) 695-6800
GRETCHEN YORK
Nurse Practitioner (Family)
259 E ERIE ST
CHICAGO, IL 60611
Cook County (610) 212-4235
DR. TRACY B SORCE MD
Internal Medicine
259 E ERIE ST, STE 2230
CHICAGO, IL 60611
Cook County (312) 926-6000
DR. CURT S KREVITZ DPM
Podiatrist
259 E ERIE ST, SUITE 2230
CHICAGO, IL 60611
Cook County (312) 926-6000
DR. KEVIN D HARDT M.D
Orthopaedic Surgery
259 E ERIE ST, 13TH FLOOR
CHICAGO, IL 60611
Cook County (312) 695-6800
DR. KEVIN D HARDT M.D
Orthopaedic Surgery
259 E ERIE ST, 13TH FLOOR
CHICAGO, IL 60611
Cook County (312) 695-6800
JI MIN KIM
Nurse Practitioner (Gerontology)
259 E ERIE ST
CHICAGO, IL 60611
Cook County (312) 695-4517

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 Matthew Kleinmaier's NPI number?

The NPI number for Matthew Kleinmaier is 1497949911. It was assigned to this individual provider in the NPPES registry on August 28, 2007.

Where is Matthew Kleinmaier located?

Matthew Kleinmaier practices at 259 E Erie St Suite 100, Chicago, IL 60611. The listed phone number is (312) 926-9512.

What is Matthew Kleinmaier's specialty?

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

Is Matthew Kleinmaier enrolled in Medicare?

Yes. Matthew Kleinmaier is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Matthew Kleinmaier's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Kleinmaier reassigns Medicare benefits to 4 organizations: Mary Imogene Bassett Hospital (Cooperstown, NY), O'connor Hospital (Delhi, NY), Little Falls Hospital (Little Falls, NY) and Bassett Hospital Of Schoharie County (Cobleskill, NY). 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 Matthew Kleinmaier'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 Matthew Kleinmaier was last updated on August 28, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.