Catherine Callahan, PA
Physician Assistant · Austin, TX
Catherine Callahan, PA is a physician assistant with a practice address in Austin, Texas, and NPI 1083159917, issued on Jan 2, 2017. Check the license (Texas PA10378, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine Callahan
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA10378 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2400 Hancock Dr, Austin, TX 78756
- Phone
- (305) 298-0848
- Enumerated
- Jan 2, 2017
- Record last updated
- Jan 2, 2017 (not updated in 9 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 10,999 in Texas → Look up another NPI →
Verify Catherine Callahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license PA10378Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average physician assistant in 2024
42 Medicare Part D claims for 15 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Progesterone21 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: $773.16
50 payments; by number, the most common kind was food and beverage; the largest payer was Sumitomo Pharma America, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Catherine Callahan among 10,999 physician assistant records in Texas
Catherine Callahan, PA is one of 10,999 physician assistant 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 2017, is newer than 52% of them.
- NPI issued2017 · 52% of these records are older, 45% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 55% of these records are
- Record last updated2017 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
607 physician assistant records list a practice address in Austin
They are 607 of the 26,585 NPPES records with a practice address in Austin, and 10,999 physician assistant records in Texas.
All 10,999 in Texas → Every provider in Austin → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Sabah Ali, PA-CAustin, TX 787561073087177
- Munira Bhaidani, PA-CAustin, TX 787561841481108
- Tiara Boquiren, PA-CAustin, TX 787561770290579
- Kristen Fletcher, PA-CAustin, TX 787561306147913
- Marcel Garza, PHYSICIAN ASSISTANTAustin, TX 787561699979567
- Emily Heliotis Olsen, PA-CAustin, TX 787561437302833
- Karen Hendricks, PA-CAustin, TX 787561962696906
- Michelle MartinAustin, TX 787561063823383
Common questions
What is Catherine Callahan, PA's NPI number?
Catherine Callahan, PA's National Provider Identifier (NPI) is 1083159917, issued on Jan 2, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Callahan, PA located?
The NPPES record lists a practice address at 2400 Hancock Dr, Austin, TX, 78756. Phone: (305) 298-0848. Providers update this record themselves, so call before visiting.
How can I verify Catherine Callahan, PA's license?
NPPES lists Texas license number PA10378, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine Callahan, PA prescribe under Medicare Part D?
In 2024, Catherine Callahan, PA had 42 Medicare Part D claims for 15 beneficiaries; the average among physician assistant prescribers was 830. 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.