NPPES file of Aug 9, 2026

Ann Williams, AGNP-C

Gerontology Nurse Practitioner · Houston, TX

Ann Williams, AGNP-C is a gerontology nurse practitioner with a practice address in Houston, Texas, and NPI 1184260572, issued on Nov 21, 2019. Check the license (Texas AG9190224, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1184260572
Name
Ann Williams
Credential
AGNP-C
Primary taxonomy
Gerontology Nurse Practitioner 363LG0600X
License number
AG9190224 TX
Self-reported in NPPES; status is on the state search
Practice location
5 Greenway Plz, Houston, TX 77046
Phone
(832) 540-2467
Enumerated
Nov 21, 2019
Record last updated
Nov 21, 2019 (not updated in 7 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest gerontology nurse practitioner records → All 954 in Texas → Look up another NPI →

Verify Ann Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license AG9190224    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Texas license search

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Industry payments in 2024: $724.34

9 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 3,903 providers of this specialty with any payment received $742.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ann Williams$724.34
  2. Specialty average$742.05

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Ann Williams among 954 gerontology nurse practitioner records in Texas

Ann Williams, AGNP-C is one of 954 gerontology nurse practitioner records with a practice address in Texas. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 46% of them.

  • NPI issued2019 · 46% of these records are older, 46% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2019 · 35% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gerontology Nurse Practitioner providers in Texas

There are 954 gerontology nurse practitioner records in Texas.

All 954 in Texas → Every provider in Houston → Gerontology Nurse Practitioner nationwide →

The 8 gerontology nurse practitioner records with the nearest ZIP codes

  1. Thu NguyenHouston, TX 770411871154112
  2. Marie Rhemann Guerrero, MSN, RN, GNPHouston, TX 770411891999355
  3. Alar Smith, AGNPHouston, TX 770411053827972
  4. Ndubuisi Odimegwu, AGNP-CHouston, TX 770531043702467
  5. Ann Marie Clarke, CRNPHouston, TX 770541841743341
  6. Denise Ertel-Moore, MSN, APRN, NP-BCHouston, TX 770541639129364
  7. Lillian Flores-Perez, MSN, APRN, BCHouston, TX 770541366492092
  8. Julie Grissett, GNPHouston, TX 770541538471446

Common questions

What is Ann Williams, AGNP-C's NPI number?

Ann Williams, AGNP-C's National Provider Identifier (NPI) is 1184260572, issued on Nov 21, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Ann Williams, AGNP-C located?

The NPPES record lists a practice address at 5 Greenway Plz, Houston, TX, 77046. Phone: (832) 540-2467. Providers update this record themselves, so call before visiting.

How can I verify Ann Williams, AGNP-C's license?

NPPES lists Texas license number AG9190224, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.