Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

GARY L. DREYER M.D.
NPI 1114981933
Pediatrics - Neonatal-Perinatal Medicine in Saint Louis, MO

Active since April 17, 2006PECOS Enrolled
615 S NEW BALLAS RD, SAINT LOUIS, MO 63141(314) 251-6450 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Gary L. Dreyer M.d. NPPES

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

GARY L. DREYER M.D. (NPI 1114981933) is an individual neonatal-perinatal medicine provider in Saint Louis, Missouri, licensed in Missouri (R8H97) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1114981933
Entity TypeIndividualMale
Primary Taxonomy2080N0001X
Provider Legal NameGARY L. DREYERCredential: M.D.
Location Address615 S NEW BALLAS RDSaint Louis, MO 63141-8221
Mailing Address621 S New Ballas Rd, Suite 2016Saint Louis, MO 63141-8232 · (314) 251-5860
Sole ProprietorNo
Enumeration DateApril 17, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1114981933 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 · R8H97
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.
615 S NEW BALLAS RD, Saint Louis, MO 63141

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Gary L. Dreyer 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.

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.

Nurse Practitioner (Family)
615 S NEW BALLAS RD
SAINT LOUIS, MO 63141
Nurse Practitioner (Family)
615 S NEW BALLAS RD
SAINT LOUIS, MO 63141
Internal Medicine
615 S NEW BALLAS RD
SAINT LOUIS, MO 63141
Internal Medicine
615 S NEW BALLAS RD
SAINT LOUIS, MO 63141
Anesthesiologist Assistant
615 S NEW BALLAS RD, DEPT OF ANESTHESIOLOGY
SAINT LOUIS, MO 63141
Dentist
615 S NEW BALLAS RD
SAINT LOUIS, MO 63141
Nurse Practitioner (Psychiatric/Mental Health)
615 S NEW BALLAS RD
SAINT LOUIS, MO 63141
Internal Medicine
615 S NEW BALLAS RD
SAINT LOUIS, MO 63141

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 Gary Dreyer's NPI number?

The NPI number for Gary Dreyer is 1114981933. It was assigned to this individual provider in the NPPES registry on April 17, 2006.

Where is Gary Dreyer located?

Gary Dreyer practices at 615 S New Ballas Rd, Saint Louis, MO 63141. The listed phone number is (314) 251-6450.

What is Gary Dreyer's specialty?

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

Is Gary Dreyer enrolled in Medicare?

Yes. Gary Dreyer is registered in the Medicare PECOS enrollment system.

What insurance does Gary Dreyer accept?

Health plans from Medica list Gary Dreyer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gary Dreyer 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 37 days 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.