MARK WAYNE SHEN MD
NPI 1508826405
Pediatrics in West Lake Hills, TX

Active since March 24, 2006PECOS Enrolled
5656 BEE CAVES RD # K203, WEST LAKE HILLS, TX 78746(512) 779-7276 Get Directions Write a Review

NPPES record last updated: August 7, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mark Wayne Shen Md NPPES

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

MARK WAYNE SHEN MD (NPI 1508826405) is an individual pediatrics provider in West Lake Hills, Texas, licensed in Texas (L0933) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Texas Southwestern Medical School At Dallas (1999).

NPPES Registry Identity

NPI1508826405
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameMARK WAYNE SHENCredential: MD
Location Address5656 BEE CAVES RD # K203West Lake Hills, TX 78746-5280
Mailing Address5656 Bee Caves Rd # K203West Lake Hills, TX 78746-5280 · (512) 779-7276
Sole ProprietorNo
Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 1999
Enumeration DateMarch 24, 2006
Last NPPES UpdateAugust 7, 2025
NPPES CertifiedAugust 7, 2025
✔ NPI 1508826405 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in TX · L0933
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.
5656 BEE CAVES RD # K203, West Lake Hills, TX 78746

Other Identifiers 1

Medicaid152121301TX

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)

Mark Wayne Shen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID446346399
PECOS Enrollment IDI20260714003286
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

8

Medicare enrollment records show Mark Shen reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
545 MIDDLEFIELD RD STE 260
Menlo Park, CA 94025
  • Reassigned Medicare billing, California enrollment
Cardiovascular Disease
545 MIDDLEFIELD RD STE 260
Menlo Park, CA 94025
  • Reassigned Medicare billing, California enrollment
General Practice
370 BRANNAN ST FL 2
San Francisco, CA 94107
  • Reassigned Medicare billing, Florida enrollment
General Practice
1400 GREENWICH ST APT 9
San Francisco, CA 94109
  • Reassigned Medicare billing, Texas enrollment
General Practice
1400 GREENWICH ST APT 9
San Francisco, CA 94109
  • Reassigned Medicare billing, Texas enrollment
General Practice
1400 GREENWICH ST APT 9
San Francisco, CA 94109
  • Reassigned Medicare billing, Texas enrollment
General Practice
1400 GREENWICH ST APT 9
San Francisco, CA 94109
  • Reassigned Medicare billing, Texas enrollment
General Practice
135 W 50TH ST STE 200
New York, NY 10020
  • Reassigned Medicare billing, New York enrollment

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 78746 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
$89.03 typical visit price
range $57.88 – $174.00
Typical copayment $22.25 (range $14.47 – $43.50)
Most-billed visit code 99203
Established Patient
$101.65 typical visit price
range $18.88 – $142.23
Typical copayment $25.41 (range $4.72 – $35.55)
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 Mark Shen's NPI number?

The NPI number for Mark Shen is 1508826405. It was assigned to this individual provider in the NPPES registry on March 24, 2006.

Where is Mark Shen located?

Mark Shen practices at 5656 Bee Caves Rd # K203, West Lake Hills, TX 78746. The listed phone number is (512) 779-7276.

What is Mark Shen's specialty?

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

Is Mark Shen enrolled in Medicare?

Yes. Mark Shen is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mark Shen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Shen reassigns Medicare benefits to 8 organizations: Care For Hearts Medical, LLC (Menlo Park, CA), Happy Heart Care Services LLC (Menlo Park, CA), Radiant Graph, PLLC (San Francisco, CA), Grayce Medical Ks, LLC (San Francisco, CA), Grayce Medical, LLC (San Francisco, CA) and 3 more organizations, listed in the Medicare section above. 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 Mark Shen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Shen 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 3 other insurers list Mark Shen 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 Mark Shen was last updated on August 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.