NPPES file of Aug 9, 2026

Leighanna Ounanian, NP-C

Gerontology Nurse Practitioner · Plano, TX

Leighanna Ounanian, NP-C is a gerontology nurse practitioner with a practice address in Plano, Texas, and NPI 1699253633, issued on Aug 1, 2018. Check the license (Texas AP138040, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699253633
Name
Leighanna Ounanian
Credential
NP-C
Primary taxonomy
Gerontology Nurse Practitioner 363LG0600X
License number
AP138040 TX
Self-reported in NPPES; status is on the state search
Practice location
4708 Alliance Blvd Ste 150, Plano, TX 75093
Phone
(972) 859-6178
Enumerated
Aug 1, 2018
Record last updated
Oct 14, 2022
Fax
(972) 596-9307
Medicaid IDs
387462002 TX
387462001 TX
Medicare enrollment
Enrolled (PECOS I20180828001650); 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 4708 Alliance Blvd Ste 150

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

  1. Claudia Clancy, FNP-CFamily Nurse Practitioner1316271661
  2. Caitlin Jones, AGACNPAcute Care Nurse Practitioner1609741214
  3. Asha Karippot, MDHematology & Oncology Physician1841485216
  4. Andrew Kovoor, MDHematology & Oncology Physician1407119464
  5. Chelsie MayFamily Nurse Practitioner1619721420
  6. James Mobley, M.D.Hematology & Oncology Physician1184018285

Verify Leighanna Ounanian 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 AP138040
    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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67% fewer Medicare Part D claims than the average gerontology nurse practitioner in 2024

456 Medicare Part D claims for 118 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 12 claims were for opioids.

  1. Leighanna Ounanian456
  2. Specialty average1,369

Most prescribed

  1. Anastrozole32 claims
  2. Prochlorperazine Maleate31 claims
  3. Ondansetron Odt28 claims
  4. Potassium Chloride21 claims
  5. Gabapentin20 claims
  6. Exemestane18 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.

The MIPS final score for 2023 (Medicare payment program): 89.4 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score75.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $3,314.11

68 payments; by number, the most common kind was food and beverage; the largest payer was Incyte Corporation. 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. Leighanna Ounanian$3,314.11
  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.

Bills Medicare through one group practice

  1. Texas Oncology PAPlano, TX

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

Leighanna Ounanian among 954 gerontology nurse practitioner records in Texas

Leighanna Ounanian, NP-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 2018, is newer than 39% of them.

  • NPI issued2018 · 39% of these records are older, 54% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2018 · median 2019 among the 577 with a school on file
  • Record last updated2022 · 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.

The 8 gerontology nurse practitioner records with the nearest ZIP codes

  1. Editha Guevara, CNPPlano, TX 750931114451879
  2. Karen Pearson, MSN, CRNPPlano, TX 750931174738678
  3. Wendy Wang, NPPlano, TX 750931811320237
  4. Nancy CarsonSherman, TX 750921477021269
  5. Amy Green, NPSherman, TX 750921518510833
  6. Jody Johnson, NPMurphy, TX 750941689867145
  7. Rosa Vasquez, APRN-CNPSherman, TX 750921629836242
  8. Brandi Lamb, APRN-CNPSherman, TX 750901417669342

Common questions

What is Leighanna Ounanian, NP-C's NPI number?

Leighanna Ounanian, NP-C's National Provider Identifier (NPI) is 1699253633, issued on Aug 1, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Leighanna Ounanian, NP-C located?

The NPPES record lists a practice address at 4708 Alliance Blvd Ste 150, Plano, TX, 75093. Phone: (972) 859-6178. Providers update this record themselves, so call before visiting.

How can I verify Leighanna Ounanian, NP-C's license?

NPPES lists Texas license number AP138040, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Leighanna Ounanian, NP-C prescribe under Medicare Part D?

In 2024, Leighanna Ounanian, NP-C had 456 Medicare Part D claims for 118 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. Part D covers Medicare prescriptions only.

What is Leighanna Ounanian, NP-C's MIPS final score?

The 2023 MIPS final score is 89.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.