Patricia Marie Castaneda, PA-C
Physician Assistant · Brownsville, TX
Patricia Marie Castaneda, PA-C is a physician assistant with a practice address in Brownsville, Texas, and NPI 1568949147, issued on Jul 25, 2018. Check the license (Texas PA11924, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Patricia Marie Castaneda
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA11924 TX
Self-reported in NPPES; status is on the state search - Practice location
- 800 W Jefferson St Ste 200, Brownsville, TX 78520
- Phone
- (956) 574-0431
- Enumerated
- Jul 25, 2018
- Record last updated
- Oct 17, 2025
- Fax
- (956) 541-1011
- Medicare enrollment
- Enrolled (PECOS I20210429000279); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 10,999 in Texas → Look up another NPI →
Also registered at 800 W Jefferson St Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nadia Sifuentes, FNPFamily Nurse Practitioner1669002564
Verify Patricia Marie Castaneda in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license PA11924Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average physician assistant in 2024
2,685 Medicare Part D claims for 784 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 78 claims were for opioids.
Most prescribed
- Atorvastatin Calcium130 claims
- Levocetirizine Dihydrochloride128 claims
- Gabapentin89 claims
- Levothyroxine Sodium77 claims
- Losartan Potassium74 claims
- Tramadol Hcl71 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.
Bills Medicare through one group practice
- Wellmed Medical Group PABrownsville, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Patricia Marie Castaneda among 10,999 physician assistant records in Texas
Patricia Marie Castaneda, PA-C 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 2018, is newer than 55% of them.
- NPI issued2018 · 55% of these records are older, 40% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2017 · median 2017 among the 6,096 with a school on file
- Record last updated2025 · 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).
63 physician assistant records list a practice address in Brownsville
They are 63 of the 1,671 NPPES records with a practice address in Brownsville, and 10,999 physician assistant records in Texas.
All 10,999 in Texas → Every provider in Brownsville → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Adela BarronBrownsville, TX 785201861183717
- Martha Castanuela, PA-CBrownsville, TX 785201437135126
- Edgar Garcia, PABrownsville, TX 785201922485010
- Jesus Garza, PABrownsville, TX 785201821485509
- Esiquiel Gonzalez, PA-CBrownsville, TX 785201720510183
- Yazmin Hernandez, PHYSICIAN ASSISTANTBrownsville, TX 785201467080671
- Sandra Longoria, PABrownsville, TX 785201548686819
- Steven Machner, PA-CBrownsville, TX 785201629302799
Common questions
What is Patricia Marie Castaneda, PA-C's NPI number?
Patricia Marie Castaneda, PA-C's National Provider Identifier (NPI) is 1568949147, issued on Jul 25, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Patricia Marie Castaneda, PA-C located?
The NPPES record lists a practice address at 800 W Jefferson St Ste 200, Brownsville, TX, 78520. Phone: (956) 574-0431. Providers update this record themselves, so call before visiting.
How can I verify Patricia Marie Castaneda, PA-C's license?
NPPES lists Texas license number PA11924, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Patricia Marie Castaneda, PA-C prescribe under Medicare Part D?
In 2024, Patricia Marie Castaneda, PA-C had 2,685 Medicare Part D claims for 784 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.