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DR. GRANT NICHOLAS BLEEKER M.D.
NPI 1063739894
Anesthesiology in St Louis, MO

Active since May 04, 2010PECOS EnrolledAccepts Medicare Assignment
3015 N BALLAS RD, ST LOUIS, MO 63131(314) 996-5000 Get Directions Write a Review

NPPES record last updated: May 23, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Grant Nicholas Bleeker M.d. NPPES

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

DR. GRANT NICHOLAS BLEEKER M.D. (NPI 1063739894) is an individual anesthesiology provider in St Louis, Missouri, licensed in Missouri (2014005675) and active in the NPI registry since May 2010. He is enrolled in Medicare PECOS, is affiliated with Missouri Baptist Medical Center, and maintains a secondary practice location in Iowa City.

NPPES Registry Identity

NPI1063739894
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. GRANT NICHOLAS BLEEKERCredential: M.D.
Location Address3015 N BALLAS RDSt Louis, MO 63131
Mailing Address3015 N Ballas RdSt Louis, MO 63131 · (314) 996-5000
Phone(314) 996-5000
Sole ProprietorYes
Medical School CMSCreighton University School Of MedicineGraduated 2010
Enumeration DateMay 4, 2010
Last NPPES UpdateMay 23, 2024
NPPES CertifiedMay 23, 2024
✔ NPI 1063739894 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in MO · 2014005675✔ Licensed in IA · APPLICATION ACTIVE
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
3015 N BALLAS RD, St Louis, MO 63131
Open in Google Maps ↗

Secondary Practice Location 1

Location 1200 Hawkins DrIowa City, IA 52242-1007 · Phone (417) 770-3406

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Grant Nicholas Bleeker M.d. 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 ID5890936561
PECOS Enrollment IDI20140818001555
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 Grant Bleeker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Missouri Baptist Medical Center
Same address
Anesthesiology
3015 N BALLAS RD
Saint Louis, MO 63131
  • Reassigned Medicare billing, Missouri enrollment
  • 102 clinicians in this Medicare group
NPI 1609658905 (314) 996-5000

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

Hospital Affiliations CMS Care Compare

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

Missouri Baptist Medical Center

Acute Care Hospitals · Town And Country, MO
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260108
Location3015 N Ballas RdTown And Country, MO 63131 · St. Louis County
Emergency services Birthing friendly

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.

MS. ASHLEY FRANCES MARIE PIKE FNP
Nurse Practitioner (Family)
3015 N BALLAS RD, DEPT EMERGENCY MED
SAINT LOUIS, MO 63131
St. Louis County (314) 966-5000
PAUL S PATANE M.D.
Anesthesiology
3015 N BALLAS RD
SAINT LOUIS, MO 63131
St. Louis County (314) 996-5330
MR. BLAIR ANTHONY MALENCH PA
Physician Assistant
3015 N BALLAS RD
SAINT LOUIS, MO 63131
St. Louis County (314) 996-5225
ADNAN MANZOOR MD
Hospitalist
3015 N BALLAS RD
SAINT LOUIS, MO 63131
St. Louis County (314) 996-5772
LAUREN MARIE HECHT RD, LD
Dietitian, Registered
3015 N BALLAS RD
SAINT LOUIS, MO 63131
St. Louis County (573) 579-6375
DR. ALAN P LYSS MD
Internal Medicine (Hematology & Oncology)
3015 N BALLAS RD
SAINT LOUIS, MO 63131
St. Louis County (314) 996-5514
VIRGILIO P DUMADAG MD
Pathology (Anatomic Pathology & Clinical Pathology)
3015 N BALLAS RD, DEPARTMENT OF PATHOLOGY
SAINT LOUIS, MO 63131
St. Louis County (314) 996-4285
STEPHEN R DAVIS M.D.
Anesthesiology
3015 N BALLAS RD
SAINT LOUIS, MO 63131
St. Louis County (314) 996-5330

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 Grant Bleeker's NPI number?

The NPI number for Grant Bleeker is 1063739894. It was assigned to this individual provider in the NPPES registry on May 4, 2010.

Where is Grant Bleeker located?

Grant Bleeker practices at 3015 N Ballas Rd, St Louis, MO 63131. The listed phone number is (314) 996-5000.

What is Grant Bleeker's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Grant Bleeker enrolled in Medicare?

Yes. Grant Bleeker 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.

Which organization bills Medicare for Grant Bleeker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Grant Bleeker reassigns Medicare benefits to Missouri Baptist Medical Center (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 Grant Bleeker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Grant Bleeker affiliated with any hospitals?

According to CMS data, Grant Bleeker is affiliated with Missouri Baptist Medical Center.

When was this NPI record last updated?

The NPPES record for Grant Bleeker was last updated on May 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.