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ZOANN DREYER MD
NPI 1992885230
Pediatrics - Pediatric Hematology-Oncology in Houston, TX

Active since October 17, 2006PECOS Enrolled
6701 FANNIN ST, HOUSTON, TX 77030(832) 822-4240(832) 825-4247 Get Directions Write a Review

NPPES record last updated: May 3, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Zoann Dreyer Md NPPES

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

ZOANN DREYER MD (NPI 1992885230) is an individual pediatric hematology-oncology provider in Houston, Texas, licensed in Texas (H4907) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1992885230
Entity TypeIndividualFemale
Primary Taxonomy2080P0207X
Provider Legal NameZOANN DREYERCredential: MD
Location Address6701 FANNIN STHouston, TX 77030-2316
Mailing Address6701 Fannin StHouston, TX 77030-2316 · (832) 822-4240 · Fax (832) 825-4247
Phone(832) 822-4240
Fax(832) 825-4247
Sole ProprietorNo
Enumeration DateOctober 17, 2006
Last NPPES UpdateMay 3, 2011
✔ NPI 1992885230 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
License✔ Licensed in TX · H4907
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
6701 FANNIN ST, Houston, TX 77030
Open in Google Maps ↗

Other Identifiers 4

Medicare UPINE76939
Medicare ID-Type Unspecified80014G
Medicare PINTXB118827TX
Medicaid132911201TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Moda Health Plan, Inc..Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Zoann Dreyer 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.

Medicare Billing Reassignments

2

Medicare enrollment records show Zoann Dreyer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Texas Children's Physician Group
0.2 mi
Pediatrics
6621 FANNIN ST
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Texas Childrens Physician Group
  • 2,498 clinicians in this Medicare group
NPI 1861675506 (832) 824-1000
Baylor College Of Medicine
0.2 mi
Internal Medicine
6620 MAIN ST
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 2,296 clinicians in this Medicare group
NPI 1104867175 (713) 798-2500

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

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.

SONIA ANN MONTEIRO MD
Pediatrics (Developmental - Behavioral Pediatrics)
6701 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 824-1000
MEENAKSHI G HEGDE MD
Pediatrics (Pediatric Hematology-Oncology)
6701 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 824-1000
RYANN HATTORI CRNA
Nurse Anesthetist, Certified Registered
6701 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 824-1000
LAUREN WILSON CASEY PNP-AC
Nurse Practitioner
6701 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 824-1000
JACK DAVID MCGOWAN M.D.
Pediatrics (Neonatal-Perinatal Medicine)
6701 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 824-1000
MRS. TINA BRADSHAW PNP
Nurse Practitioner
6701 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 822-1764
DR. GARY DAVID CLARK MD
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
6701 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 822-5046
VERONICA A. VICTORIAN PA
Physician Assistant
6701 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 824-1000

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 Zoann Dreyer's NPI number?

The NPI number for Zoann Dreyer is 1992885230. It was assigned to this individual provider in the NPPES registry on October 17, 2006.

Where is Zoann Dreyer located?

Zoann Dreyer practices at 6701 Fannin St, Houston, TX 77030. The listed phone number is (832) 822-4240.

What is Zoann Dreyer's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is Zoann Dreyer enrolled in Medicare?

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

Which organizations bill Medicare for Zoann Dreyer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Zoann Dreyer reassigns Medicare benefits to 2 organizations: Texas Children's Physician Group (Houston, TX) and Baylor College Of Medicine (Houston, TX). 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 Zoann Dreyer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Zoann Dreyer accept?

Health plans from Moda Health Plan, Inc. list Zoann 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 Zoann Dreyer was last updated on May 3, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.