NPPES file of Aug 9, 2026

Crystal Poungsangchaun, FNP

Family Nurse Practitioner · San Antonio, TX

Crystal Poungsangchaun, FNP is a family nurse practitioner with a practice address in San Antonio, Texas, and NPI 1043859424, issued on Jan 2, 2020. Check the license (Texas AP143236, 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
1043859424
Name
Crystal Poungsangchaun
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
AP143236 TX
Self-reported in NPPES; status is on the state search
Practice location
7407 Broadway, San Antonio, TX 78209
Phone
(281) 783-8162
Enumerated
Jan 2, 2020
Record last updated
May 25, 2026
Medicare enrollment
Enrolled (PECOS I20200511002830); accepts Medicare assignment
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 7407 Broadway

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

  1. Krystine Awwiller, NPNurse Practitioner1073258117
  2. Brandi Breuer, FNP-CNurse Practitioner1548710858
  3. Elva Deleon, PA-CPhysician Assistant1104193143
  4. Christopher Kvapil, PA-CPhysician Assistant1932500824
  5. Raymond Luna, M.D.Family Medicine Physician1356579817
  6. Lindsay Younger, FNPFamily Nurse Practitioner1710220900

Verify Crystal Poungsangchaun 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 AP143236
    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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93% fewer Medicare Part D claims than the average family nurse practitioner in 2024

96 Medicare Part D claims for 71 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Crystal Poungsangchaun96
  2. Specialty average1,305

Most prescribed

  1. Amoxicillin-Clavulanate Potass11 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 practice group's MIPS final score for 2023 (Medicare payment program): 86.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score79.4
  2. Costout of 100 · 30%92.1
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through 3 group practices

  1. Legacy Physiatry Group LLCPlano, TX
  2. Metro Infectious Disease Consultants LLCSan Antonio, TX
  3. Nluc PLLCSan Antonio, TX

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

Crystal Poungsangchaun among 21,242 family nurse practitioner records in Texas

Crystal Poungsangchaun, FNP is one of 21,242 family nurse practitioner records with a practice address in Texas. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 59% of them.

  • NPI issued2020 · 59% of these records are older, 33% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2019 · median 2018 among the 11,286 with a school on file
  • Record last updated2026 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,362 family nurse practitioner records list a practice address in San Antonio

They are 1,362 of the 37,749 NPPES records with a practice address in San Antonio, and 21,242 family nurse practitioner records in Texas.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Clarice Adams, FNP-CSan Antonio, TX 782091780193839
  2. Stephen Clare, FNPSan Antonio, TX 782091730493206
  3. Kathleen Evans, FNP-BCSan Antonio, TX 782091477958361
  4. Donna Hamann, NPSan Antonio, TX 782091730115171
  5. Whitney Jackson, CFNPSan Antonio, TX 782091518508282
  6. Christian Longoria, R.N., F.N.P.San Antonio, TX 782091215043690
  7. Sean McCarthy, FNPSan Antonio, TX 782091316523244
  8. Glenda Mortimer, NP-CSan Antonio, TX 782091023263993

Common questions

What is Crystal Poungsangchaun, FNP's NPI number?

Crystal Poungsangchaun, FNP's National Provider Identifier (NPI) is 1043859424, issued on Jan 2, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Crystal Poungsangchaun, FNP located?

The NPPES record lists a practice address at 7407 Broadway, San Antonio, TX, 78209. Phone: (281) 783-8162. Providers update this record themselves, so call before visiting.

How can I verify Crystal Poungsangchaun, FNP's license?

NPPES lists Texas license number AP143236, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Crystal Poungsangchaun, FNP prescribe under Medicare Part D?

In 2024, Crystal Poungsangchaun, FNP had 96 Medicare Part D claims for 71 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

What is Crystal Poungsangchaun, FNP's MIPS final score?

The 2023 MIPS final score is 86.3 of 100, reported for the practice group. 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.