MARC P SIMPAO MD
NPI 1427244946
Internal Medicine in Austin, TX
About Marc P Simpao Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARC P SIMPAO MD (NPI 1427244946) is an individual internal medicine provider in Austin, Texas, licensed in Texas (M7632) and active in the NPI registry since September 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 8
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)
Marc P Simpao Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Marc Simpao reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Austin, TX 78712
- Reassigned Medicare billing, Texas enrollment
- 1,188 clinicians in this Medicare group
Round Rock, TX 78681
- Reassigned Medicare billing, Texas enrollment
- 206 clinicians in this Medicare group
San Antonio, TX 78216
- Reassigned Medicare billing, Texas enrollment
- 688 clinicians in this Medicare group
Humble, TX 77338
- Reassigned Medicare billing, Texas enrollment
- 2,009 clinicians in this Medicare group
Dallas, TX 75231
- Reassigned Medicare billing, Texas enrollment
- 1,208 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 78705 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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.
AUSTIN, TX 78705
AUSTIN, TX 78705
AUSTIN, TX 78705
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 Marc Simpao's NPI number?
The NPI number for Marc Simpao is 1427244946. It was assigned to this individual provider in the NPPES registry on September 18, 2007.
Where is Marc Simpao located?
Marc Simpao practices at 1301 W 38th St #205, Austin, TX 78705. The listed phone number is (512) 324-1864.
What is Marc Simpao's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Marc Simpao enrolled in Medicare?
Yes. Marc Simpao is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Marc Simpao's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marc Simpao reassigns Medicare benefits to 5 organizations: Seton Family Of Doctors (Austin, TX), Lonestar Pat Associates PA (Round Rock, TX), Ipc Healthcare Services Of Texas, PLLC (San Antonio, TX), Hospitalist Medicine Physicians Of Texas, PLLC (Humble, TX) and Cogent Healthcare Of Texas, PA (Dallas, 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 Marc Simpao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marc Simpao accept?
Health plans from Antidote Health of TX, Blue Cross and Blue Shield of Texas, Harbor Health, Oscar Insurance Company and Sendero Health Plans, Local Nonprofit list Marc Simpao 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 Marc Simpao was last updated on December 20, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Marc P Simpao, MD · NPI 1427244946
Internal Medicine physician in Austin, Texas. Individual provider, active in the CMS NPPES registry since September 18, 2007.
## Identity
- **NPI:** 1427244946 (Entity type: Individual)
- **Enumerated:** September 18, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** M7632 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1301 W 38TH ST, #205, Austin, TX 78705-1011
- **Phone:** (512) 324-1864 · **Fax:** (512) 419-9016
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for durable medical equipment, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Seton Family Of Doctors (NPI 1588997233, Austin, TX); Lonestar Pat Associates PA (NPI 1811594203, Round Rock, TX); Ipc Healthcare Services Of Texas, PLLC (NPI 1023403011, San Antonio, TX); Hospitalist Medicine Physicians Of Texas, PLLC (NPI 1629307095, Humble, TX); Cogent Healthcare Of Texas, PA (NPI 1992722953, Dallas, TX) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 20, 2016
- **Other identifiers:** Medicaid 195158403 (TX); Medicaid 195158401 (TX); Medicare PIN P01155003 (TX); and 5 more
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Source: [NPI Profile](https://npiprofile.com/npi/1427244946) · Data from the CMS NPPES public registry.