Greater Houston Anesthesiology, P.A. – Anesthesiology Physician, NPI 1548208564

Greater Houston Anesthesiology, P.A. is a healthcare provider. based in Amarillo, Texas. specializing in Anesthesiology Physician. The NPI Number for Greater Houston Anesthesiology, P.A. is 1548208564

Main info

Organization
Name
Greater Houston Anesthesiology, P.A.
NPI
1548208564
Phone
(972) 715-5000
Address
600 S Tyler St Ste 2100
Authorized Official
DR. ALVIN J RALSTON PRESIDENT M.D.
Enumeration Date
3 June 2006
Last Update Date
9 October 2025
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience65
Completeness90
Years active:20State licenses:0Digital endpoints

Provider Addresses for Greater Houston Anesthesiology, P.A.

  • 600 S Tyler St Ste 2100

    Amarillo, TX 791012304

    Phone: (972) 715-5000

    Type: Location

  • 12222 Merit Dr Ste 600

    Dallas, TX 752513294

    Phone: (972) 715-5000

    Fax: (972) 715-9976

    Type: Location

  • 11100 Shadow Creek Pkwy

    Pearland, TX 775847285

    Phone: (972) 715-5000

    Type: Location

  • 1301 Pennsylvania Ave

    Fort Worth, TX 761042122

    Phone: (972) 715-5000

    Type: Location

  • 3705 Medical Pkwy Ste 570

    Austin, TX 787051024

    Phone: (972) 715-5000

    Type: Location

  • 10999 W Interstate 10 Ste 903

    San Antonio, TX 782301747

    Phone: (972) 233-1999

    Type: Location

  • Band Box Place, Dallas, Dallas County, Texas, 75244, United States

    DALLAS, TX 752840853

    Phone: (972) 233-1999

    Fax: (972) 233-3666

    Type: Mailing

  • 1500, Citywest Boulevard, Houston, Harris County, Texas, 77042, United States

    SUITE 300

    HOUSTON, TX 770422300

    Phone: (877) 361-1809

    Fax: (972) 715-9933

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2003-11-06

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Past revalidation due date

Earliest CMS due date was 2023-07-31 (1041 days ago).

Enrollment records

1

Earliest due date

2023-07-31

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
O20031106000563OClinic/Group PracticeTX2023-07-31

What to do next

  • Verify current status on the CMS Revalidation Lookup Tool immediately.
  • Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
  • Overdue revalidation can lead to deactivation of Medicare billing privileges.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 79101)

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Reviews

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Frequently asked questions

How is Greater Houston Anesthesiology, P.A. identified in CMS data?
CMS-hosted NPPES data lists Greater Houston Anesthesiology, P.A. with NPI 1548208564.
Is Greater Houston Anesthesiology, P.A. still practicing?
Greater Houston Anesthesiology, P.A. is currently listed as active in the public NPI registry.
What healthcare role does Greater Houston Anesthesiology, P.A. hold?
Scheduling teams often label Greater Houston Anesthesiology, P.A. under Anesthesiology Physician. Clinical services aligned with this taxonomy classification.
What address line appears for Greater Houston Anesthesiology, P.A.?
Greater Houston Anesthesiology, P.A.'s geographic hint is Amarillo, Texas in our summary view.
How many locations tie to this NPI?
8 practice locations appear in the available data.

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