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WILLIAM KEENAN MD
NPI 1023063393
Pediatrics - Neonatal-Perinatal Medicine in Saint Louis, MO

Active since May 24, 2006PECOS Enrolled
1465 S GRAND BLVD, SAINT LOUIS, MO 63104(314) 268-4101(314) 577-5379 Get Directions Write a Review

NPPES record last updated: August 26, 2015. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About William Keenan Md NPPES

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

WILLIAM KEENAN MD (NPI 1023063393) is an individual neonatal-perinatal medicine provider in Saint Louis, Missouri, licensed in Missouri (R8A21) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1023063393
Entity TypeIndividualMale
Primary Taxonomy2080N0001X
Provider Legal NameWILLIAM KEENANCredential: MD
Location Address1465 S GRAND BLVDSaint Louis, MO 63104-1003
Mailing Address3691 Rutger AveSt. Louis, MO 63110-2515 · (314) 977-6828 · Fax (314) 977-6872
Phone(314) 268-4101
Fax(314) 577-5379
Sole ProprietorNo
Enumeration DateMay 24, 2006
Last NPPES UpdateAugust 26, 2015
✔ NPI 1023063393 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
License✔ Licensed in MO · R8A21
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
1465 S GRAND BLVD, Saint Louis, MO 63104
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Keenan 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.

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.

DR. SARAH MARGARET HANLY PH.D.
Psychologist (Clinical)
1465 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 577-5667
KAVIPRIYA KOMESWARAN
Pediatrics (Pediatric Critical Care Medicine)
1465 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 617-2000
ALEXIS HAAS STEWART
Anesthesiologist Assistant
1465 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 977-5700
NATALIE DRURY RD, LD
Dietitian, Registered (Nutrition, Pediatric)
1465 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 577-5387
TIMOTHY J KUTZ MD
Pediatrics (Child Abuse Pediatrics)
1465 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 268-6406
CHRISTOPHER SALLEE MD
Pediatrics
1465 S GRAND BLVD
ST. LOUIS, MO 63104
St. Louis City (314) 577-1607
AMBER GRANA DO
Pediatrics (Pediatric Critical Care Medicine)
1465 S GRAND BLVD, DIVISION OF PEDIATRIC CRITICAL CARE
SAINT LOUIS, MO 63104
St. Louis City (314) 577-5695
DR. ETHAN EMIL PFEIFER MD
Student in an Organized Health Care Education/Training Program
1465 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 268-4070

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 William Keenan's NPI number?

The NPI number for William Keenan is 1023063393. It was assigned to this individual provider in the NPPES registry on May 24, 2006.

Where is William Keenan located?

William Keenan practices at 1465 S Grand Blvd, Saint Louis, MO 63104. The listed phone number is (314) 268-4101.

What is William Keenan's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is William Keenan enrolled in Medicare?

Yes. William Keenan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Keenan was last updated on August 26, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.