NPPES file of Aug 9, 2026

Ashley Chastain, PA-C

Medical Physician Assistant · Houston, TX

Ashley Chastain, PA-C is a medical physician assistant with a practice address in Houston, Texas, and NPI 1629844048, issued on Nov 27, 2023. Check the license (Texas PA17294, 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
1629844048
Name
Ashley Chastain
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
PA17294 TX
Self-reported in NPPES; status is on the state search
Practice location
7707 Fannin St Ste 195, Houston, TX 77054
Phone
(713) 767-0045
Enumerated
Nov 27, 2023
Record last updated
Nov 27, 2023
Medicare enrollment
Enrolled (PECOS I20240122000667); 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 7707 Fannin St Ste 195

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

  1. Jemilatu Alharazim, PA-CPhysician Assistant1649595125
  2. Michelle Joseph, MDAllergy & Immunology Physician1326421389
  3. Grant Pickett, MDAllergy & Immunology Physician1225526874

Verify Ashley Chastain 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 PA17294
    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 medical physician assistant in 2024

85 Medicare Part D claims for 58 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Ashley Chastain85
  2. Specialty average1,148

Most prescribed

  1. Prednisone15 claims
  2. Amoxicillin-Clavulanate Potass12 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: $402.25

18 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ashley Chastain$402.25
  2. Specialty average$1,055.00

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. Allergy And Ent Associates PLLCKaty, TX

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

Ashley Chastain among 2,146 medical physician assistant records in Texas

Ashley Chastain, PA-C is one of 2,146 medical physician assistant records with a practice address in Texas. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 92% of them.

  • NPI issued2023 · 92% of these records are older, 5% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 44% of these records are
  • Graduated2023 · median 2012 among the 953 with a school on file
  • Record last updated2023 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in Texas

There are 2,146 medical physician assistant records in Texas.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Berkley Anderson, PA-CHouston, TX 770541396378238
  2. Mallory Carrasco, P.A.-CHouston, TX 770541891123758
  3. Mimi Chandrabose, PA-CHouston, TX 770541336402700
  4. Scott Charnitsky, PACHouston, TX 770541750362539
  5. Jacqueline Fritsch, P.A.Houston, TX 770541164581831
  6. Omni McCluney, PHYSICIAN ASSISTANTHouston, TX 770541689005860
  7. Gloria Rueda Valenzuela, M.D.Houston, TX 770541801117833
  8. Carly Browne, PA-CHouston, TX 770551437595832

Common questions

What is Ashley Chastain, PA-C's NPI number?

Ashley Chastain, PA-C's National Provider Identifier (NPI) is 1629844048, issued on Nov 27, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Ashley Chastain, PA-C located?

The NPPES record lists a practice address at 7707 Fannin St Ste 195, Houston, TX, 77054. Phone: (713) 767-0045. Providers update this record themselves, so call before visiting.

How can I verify Ashley Chastain, PA-C's license?

NPPES lists Texas license number PA17294, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Ashley Chastain, PA-C prescribe under Medicare Part D?

In 2024, Ashley Chastain, PA-C had 85 Medicare Part D claims for 58 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.