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CAROLINE A MARCUS MD
NPI 1134445737
Pediatrics in Humble, TX

Active since April 08, 2010PECOS Enrolled
8233 N SAM HOUSTON PKWY, HUMBLE, TX 77396(713) 442-2000 Get Directions Write a Review

NPPES record last updated: February 4, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 4, 2022, Jun 11, 2021 (2 updates tracked since 2021).

About Caroline A Marcus Md NPPES

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

CAROLINE A MARCUS MD (NPI 1134445737) is an individual pediatrics provider in Humble, Texas, licensed in Texas (N5471) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS and maintains a secondary practice location in Houston.

NPPES Registry Identity

NPI1134445737
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameCAROLINE A MARCUSCredential: MD
Location Address8233 N SAM HOUSTON PKWYHumble, TX 77396-2922
Mailing Address11511 Shadow Creek ParkwayPearland, TX 77584-7298 · (713) 442-0000
Phone(713) 442-2000
Sole ProprietorNo
Enumeration DateApril 8, 2010
Last NPPES UpdateFebruary 4, 20222 updates tracked since enumeration
NPPES CertifiedFebruary 4, 2022
✔ NPI 1134445737 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in TX · N5471
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.
8233 N SAM HOUSTON PKWY, Humble, TX 77396
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Other Names 1

Former Name (1)Caroline M Wangler Md

Secondary Practice Location 1

Location 11900 North Loop W Ste 400Houston, TX 77018-8119 · Phone (713) 442-3800

Other Identifiers 1

Medicaid220217901TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include 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)

Caroline A Marcus 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 Caroline Marcus reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Kelsey-Seybold Medical Group, PLLC
19 mi
Multi-Specialty
2727 W HOLCOMBE BLVD
Houston, TX 77025
  • Reassigned Medicare billing, Texas enrollment
  • 1,649 clinicians in this Medicare group
NPI 1013915255 (713) 442-0000

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 77396 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
$90.40 typical visit price
range $58.24 – $176.98
Typical copayment $22.60 (range $14.56 – $44.24)
Most-billed visit code 99203
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
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.

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 Caroline Marcus's NPI number?

The NPI number for Caroline Marcus is 1134445737. It was assigned to this individual provider in the NPPES registry on April 8, 2010. The provider is also known as Caroline M Wangler MD.

Where is Caroline Marcus located?

Caroline Marcus practices at 8233 N Sam Houston Pkwy, Humble, TX 77396. The listed phone number is (713) 442-2000.

What is Caroline Marcus's specialty?

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

Is Caroline Marcus enrolled in Medicare?

Yes. Caroline Marcus is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Caroline Marcus's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Caroline Marcus reassigns Medicare benefits to Kelsey-Seybold Medical Group, PLLC (Houston, TX). 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 Caroline Marcus's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Caroline Marcus accept?

Health plans from UnitedHealthcare list Caroline Marcus 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 Caroline Marcus was last updated on February 4, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.