NPPES file of Aug 9, 2026

Tiffany Michelle Williams, NP-C

Nurse Practitioner · Dallas, TX

Tiffany Michelle Williams, NP-C is a nurse practitioner with a practice address in Dallas, Texas, and NPI 1407322209, issued on Oct 18, 2018. Check the license (Texas AP138157, 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
1407322209
Name
Tiffany Michelle Williams
Credential
NP-C
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
AP138157 TX
AP09926 LA
Self-reported in NPPES; status is on the state search
Practice location
3410 Worth St Ste 860, Dallas, TX 75246
Phone
(214) 820-8500
Enumerated
Oct 18, 2018
Record last updated
Feb 27, 2026
Fax
(214) 820-3565
Medicare enrollment
Enrolled (PECOS I20210601002191); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3410 Worth St Ste 860

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jamil Alsahhar, M.D.Gastroenterology Physician1922443001
  2. Parxann Dunn, PA-CPhysician Assistant1639687908
  3. Ivy Kusi, AGACNP-BCAcute Care Nurse Practitioner1457146540
  4. Yeshika Sharma, MDGastroenterology Physician1679987994

Verify Tiffany Michelle 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 AP138157
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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79% fewer Medicare Part D claims than the average nurse practitioner in 2024

238 Medicare Part D claims for 76 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Tiffany Williams238
  2. Specialty average1,109

Most prescribed

  1. Lactulose40 claims
  2. Spironolactone32 claims
  3. Ursodiol28 claims
  4. Furosemide23 claims
  5. Xifaxan18 claims
  6. Azathioprine13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $145.03

3 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tiffany Williams$145.03
  2. Specialty average$791.64

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

Bills Medicare through one group practice

  1. Healthtexas Provider NetworkWaxahachie, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Tiffany Michelle Williams among 4,825 nurse practitioner records in Texas

Tiffany Michelle Williams, NP-C is one of 4,825 nurse practitioner records with a practice address in Texas. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 48% of them.

  • NPI issued2018 · 48% of these records are older, 45% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated2017 · median 2018 among the 2,618 with a school on file
  • Record last updated2026 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

446 nurse practitioner records list a practice address in Dallas

They are 446 of the 36,304 NPPES records with a practice address in Dallas, and 4,825 nurse practitioner records in Texas.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Cheree Cuellar, NPDallas, TX 752461538616867
  2. Emily Eiswirth, ANP-BCDallas, TX 752461144565490
  3. Hollie Gehring, NPDallas, TX 752461750526521
  4. Nicole Gorecki, DNP, APRN, AGACNP-BCDallas, TX 752461306322300
  5. Brooke Hays, A-GNP-CDallas, TX 752461235616749
  6. Ji Young Kim, NPDallas, TX 752461548692593
  7. Maylene Lopez, NP-CDallas, TX 752461639501687
  8. Laila MadhaniDallas, TX 752461578957254

Common questions

What is Tiffany Michelle Williams, NP-C's NPI number?

Tiffany Michelle Williams, NP-C's National Provider Identifier (NPI) is 1407322209, issued on Oct 18, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Tiffany Michelle Williams, NP-C located?

The NPPES record lists a practice address at 3410 Worth St Ste 860, Dallas, TX, 75246. Phone: (214) 820-8500. Providers update this record themselves, so call before visiting.

How can I verify Tiffany Michelle Williams, NP-C's license?

NPPES lists Texas license number AP138157, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Tiffany Michelle Williams, NP-C prescribe under Medicare Part D?

In 2024, Tiffany Michelle Williams, NP-C had 238 Medicare Part D claims for 76 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions 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.

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.