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DR. ROBERT F SCHAEFER JR. M.D.
NPI 1396741666
Anesthesiology - Pain Medicine in Chesterfield, MO

Active since June 22, 2005PECOS Enrolled
17050 BAXTER RD, CHESTERFIELD SURGERY CENTER, LLC, SUITE 110, CHESTERFIELD, MO 63005(636) 537-0122(636) 537-0480 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Robert F Schaefer Jr. M.d. NPPES

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

DR. ROBERT F SCHAEFER JR. M.D. (NPI 1396741666) is an individual pain medicine provider in Chesterfield, Missouri, licensed in Missouri (R3K50) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1396741666
Entity TypeIndividualMale
Primary Taxonomy207LP2900X
Provider Legal NameDR. ROBERT F SCHAEFER JR.Credential: M.D.
Location Address17050 BAXTER RD, CHESTERFIELD SURGERY CENTER, LLC, SUITE 110Chesterfield, MO 63005-1422
Mailing Address351 Consort DrBallwin, MO 63011-4439 · (636) 386-7246
Phone(636) 537-0122
Fax(636) 537-0480
Sole ProprietorNo
Enumeration DateJune 22, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1396741666 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiology · Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207LP2900X
License✔ Licensed in MO · R3K50
Definition
An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.
17050 BAXTER RD, Chesterfield, MO 63005
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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. Robert F Schaefer Jr. 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 Reassignment

Medicare enrollment records show Robert Schaefer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Western Anesthesiology Associates, Inc.
7.3 mi
Anesthesiology
615 S NEW BALLAS RD, DEPT. OF ANESTHESIA
Saint Louis, MO 63141
  • Reassigned Medicare billing, Missouri enrollment
  • 309 clinicians in this Medicare group
NPI 1275646754 (636) 386-9224

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 2

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.

Anesthesia for other procedure on lower leg, ankle, and foot bones 01480
Anesthesia for procedures on lower leg, ankle, and foot bones involves administering medication to block pain and sensation in these areas. This allows doctors to perform necessary treatments or surgeries without causing discomfort. The type of anesthesia used can vary based on the specific procedure.
20 services20 patients
Anesthesia for other procedure on nose and sinuses 00160
Anesthesia for procedures on the nose and sinuses involves administering medication to block sensation, ensuring comfort during the procedure. It can be local (numbing a specific area) or general (you're asleep). This helps prevent pain and discomfort during the procedure.
18 services18 patients

Other Providers at the Same Location NPPES 17

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

MARY ELLEN FRANTZ CRNA
Nurse Anesthetist, Certified Registered
17050 BAXTER RD, SUITE #110
CHESTERFIELD, MO 63005
St. Louis County (636) 200-4242
DR. PATRICK H DOLAN M.D.
Anesthesiology
17050 BAXTER RD, CHESTERFIELD SURGERY CTR - SUITE 110
CHESTERFIELD, MO 63005
St. Louis County (636) 537-0122
DR. DENNIS SAUER D.O.
Anesthesiology
17050 BAXTER RD, SUITE #110
CHESTERFIELD, MO 63005
St. Louis County (636) 200-4242
CHESTERFIELD AMBULATORY SURGERY CENTER LP
Clinic/Center (Ambulatory Surgical)
17050 BAXTER RD, STE 110
CHESTERFIELD, MO 63005
St. Louis County (636) 537-0122
LISA TARICA CST
Technician
17050 BAXTER RD, SUITE 110
CHESTERFIELD, MO 63005
St. Louis County (636) 537-0122
DR. VIJAY K PATNANA M.D.
Anesthesiology
17050 BAXTER RD, SUITE #110
CHESTERFIELD, MO 63005
St. Louis County (636) 200-4242
DR. DAVID B BRABY M.D.
Anesthesiology
17050 BAXTER RD, CHESTERFIELD SURGERY CENTER, LLC, SUITE 110
CHESTERFIELD, MO 63005
St. Louis County (636) 537-0122
KELLEY BOLAND CST
Technician
17050 BAXTER RD, SUITE 110
CHESTERFIELD, MO 63005
St. Louis County (636) 537-0122

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 Robert Schaefer's NPI number?

The NPI number for Robert Schaefer is 1396741666. It was assigned to this individual provider in the NPPES registry on June 22, 2005.

Where is Robert Schaefer located?

Robert Schaefer practices at 17050 Baxter Rd Chesterfield Surgery Center, LLC, Suite 110, Chesterfield, MO 63005. The listed phone number is (636) 537-0122.

What is Robert Schaefer's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Is Robert Schaefer enrolled in Medicare?

Yes. Robert Schaefer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Robert Schaefer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Schaefer reassigns Medicare benefits to Western Anesthesiology Associates, Inc. (Saint Louis, MO). The 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 Robert Schaefer'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 Robert Schaefer was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.