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DR. ISABEL FERNANDEZ-HOLTZMAN MD
NPI 1629182852
Pediatrics in Fenton, MO

Active since August 17, 2006PECOS Enrolled
714 GRAVOIS RD, STE 200, FENTON, MO 63026(636) 349-5437(636) 349-6663 Get Directions Write a Review

NPPES record last updated: April 18, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 9, 2024, Dec 15, 2021 (2 updates tracked since 2021).

About Dr. Isabel Fernandez-holtzman Md NPPES

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

DR. ISABEL FERNANDEZ-HOLTZMAN MD (NPI 1629182852) is an individual pediatrics provider in Fenton, Missouri, licensed in Missouri (2002012674) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1629182852
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. ISABEL FERNANDEZ-HOLTZMANCredential: MD
Location Address714 GRAVOIS RD, STE 200Fenton, MO 63026-7766
Mailing AddressPo Box 7412053Chicago, IL 60674-2053 · (636) 349-5437 · Fax (636) 349-6663
Phone(636) 349-5437
Fax(636) 349-6663
Sole ProprietorNo
Enumeration DateAugust 17, 2006
Last NPPES UpdateApril 18, 20252 updates tracked since enumeration
✔ NPI 1629182852 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MO · 2002012674
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
714 GRAVOIS RD, Fenton, MO 63026
Open in Google Maps ↗

Other Identifiers 1

Medicaid205948003MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cox HealthPlans, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Isabel Fernandez-holtzman 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 Reassignment

Medicare enrollment records show Isabel Fernandez-holtzman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Wuca-Fenton Pediatrics, LLC
Same address
Multi-Specialty
714 GRAVOIS RD STE 200
Fenton, MO 63026
  • Reassigned Medicare billing, Missouri enrollment
  • 5 clinicians in this Medicare group
NPI 1760953095 (636) 349-5437

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63026 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

ST ANTHONY'S PHYSICIAN ORGANIZATION PRIVATE PRACTICES LC
Obstetrics & Gynecology
714 GRAVOIS RD, STE 220
FENTON, MO 63026
St. Louis County (636) 717-6777
DR. JEFFREY J HALLAZGO M.D.
Internal Medicine
714 GRAVOIS RD, SUITE 100
FENTON, MO 63026
St. Louis County (636) 326-6100
MS. CAROLYN SUE LUNDGREN C.P.N.P.
Nurse Practitioner (Pediatrics)
714 GRAVOIS RD, STE. 200
FENTON, MO 63026
St. Louis County (636) 349-5437
KRISTIN BLAIR AUBUCHON FNP-BC
Nurse Practitioner (Family)
714 GRAVOIS RD
FENTON, MO 63026
St. Louis County (636) 326-6100
DR. JUSTIN E. HUGO M.D.
Family Medicine
714 GRAVOIS RD, SUITE 210
FENTON, MO 63026
St. Louis County (314) 543-5230
ST. ANTHONY'S PHYSICIAN ORGANIZATION
Obstetrics & Gynecology
714 GRAVOIS RD, STE 115
FENTON, MO 63026
St. Louis County (636) 717-6775
MRS. JOY NICOLE BITTLE P.A.-C
Physician Assistant (Medical)
714 GRAVOIS RD, SUITE 210
FENTON, MO 63026
St. Louis County (314) 543-5230
STACIA SMITH FNP
Nurse Practitioner (Family)
714 GRAVOIS RD
FENTON, MO 63026
St. Louis County (636) 326-6100

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 Isabel Fernandez-holtzman's NPI number?

The NPI number for Isabel Fernandez-holtzman is 1629182852. It was assigned to this individual provider in the NPPES registry on August 17, 2006.

Where is Isabel Fernandez-holtzman located?

Isabel Fernandez-holtzman practices at 714 Gravois Rd Ste 200, Fenton, MO 63026. The listed phone number is (636) 349-5437.

What is Isabel Fernandez-holtzman's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Isabel Fernandez-holtzman enrolled in Medicare?

Yes. Isabel Fernandez-holtzman is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Isabel Fernandez-holtzman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Isabel Fernandez-holtzman reassigns Medicare benefits to Wuca-Fenton Pediatrics, LLC (Fenton, 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 Isabel Fernandez-holtzman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Isabel Fernandez-holtzman accept?

Health plans from Cox HealthPlans and UnitedHealthcare list Isabel Fernandez-holtzman 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 Isabel Fernandez-holtzman was last updated on April 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.