DR. MARCELA LUCIA CASTANO DE ZAMACONA M.D.
NPI 1699094029
Pediatrics in San Antonio, TX

Active since May 25, 2010PECOS Enrolled
27127 I 10 WEST, SUITE 205, SAN ANTONIO, TX 78257(210) 698-7663 Get Directions Write a Review

NPPES record last updated: December 20, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 20, 2021, Nov 14, 2019, Sep 12, 2016 (3 updates tracked since 2016).

About Dr. Marcela Lucia Castano De Zamacona M.d. NPPES

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

DR. MARCELA LUCIA CASTANO DE ZAMACONA M.D. (NPI 1699094029) is an individual pediatrics provider in San Antonio, Texas, licensed in Texas (P1170) and active in the NPI registry since May 2010. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1699094029
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. MARCELA LUCIA CASTANO DE ZAMACONACredential: M.D.
Location Address27127 I 10 WEST, SUITE 205San Antonio, TX 78257
Mailing AddressPo Box 87San Antonio, TX 78291-0087 · (210) 358-9174 · Fax (210) 358-5753
Sole ProprietorNo
Enumeration DateMay 25, 2010
Last NPPES UpdateDecember 20, 20213 updates tracked since enumeration
NPPES CertifiedDecember 16, 2021
✔ NPI 1699094029 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in TX · P1170✔ Licensed in IN · 01068027A
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.
27127 I 10 WEST, San Antonio, TX 78257

Secondary Practice Locations 2

Location 11055 Ada StSan Antonio, TX 78223-1703 · Phone (210) 358-5515 · Fax (210) 358-5530
Location 211345 Alamo Ranch Pkwy Ste 203San Antonio, TX 78253-6442 · Phone (210) 767-4000 · Fax (210) 688-9418

Accepted 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. Marcela Lucia Castano De Zamacona 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.

Medicare Billing Reassignments

2

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

Family Medicine
903 W MARTIN ST # MS 49-2
San Antonio, TX 78207
  • Reassigned Medicare billing, Texas enrollment
  • 1,129 clinicians in this Medicare group
Family Medicine
520 DOUGLAS BLVD
Tyler, TX 75702
  • Reassigned Medicare billing, Texas enrollment
  • 2,745 clinicians in this Medicare group

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 78257 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
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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 Marcela Castano De Zamacona's NPI number?

The NPI number for Marcela Castano De Zamacona is 1699094029. It was assigned to this individual provider in the NPPES registry on May 25, 2010.

Where is Marcela Castano De Zamacona located?

Marcela Castano De Zamacona practices at 27127 I 10 West Suite 205, San Antonio, TX 78257. The listed phone number is (210) 698-7663.

What is Marcela Castano De Zamacona's specialty?

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

Is Marcela Castano De Zamacona enrolled in Medicare?

Yes. Marcela Castano De Zamacona is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Marcela Castano De Zamacona's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marcela Castano De Zamacona reassigns Medicare benefits to 2 organizations: Community Medicine Associates (San Antonio, TX) and Christus Trinity Clinic Texas (Tyler, 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 Marcela Castano De Zamacona's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marcela Castano De Zamacona accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 1 other insurer list Marcela Castano De Zamacona 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 Marcela Castano De Zamacona was last updated on December 20, 2021. 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.