Allyssa Lorian Castillo, DNP
Internal Medicine Physician · New Braunfels, TX
Allyssa Lorian Castillo, DNP is an internal medicine physician with a practice address in New Braunfels, Texas, and NPI 1780454561, issued on Jan 3, 2024. Check the license (Texas 1139450, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Allyssa Lorian Castillo
- Credential
- DNP
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 1139450 TX
Self-reported in NPPES; status is on the state search - Practice location
- 598 N Union Ave Ste 250, New Braunfels, TX 78130
- Phone
- (830) 359-5859
- Enumerated
- Jan 3, 2024
- Record last updated
- Jul 15, 2026
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Verify Allyssa Lorian Castillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license 1139450Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
225 Medicare Part D claims for 78 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Spironolactone44 claims
- Furosemide34 claims
- Ursodiol27 claims
- Lactulose26 claims
- Carvedilol18 claims
- Constulose13 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: $645.18
10 payments; by number, the most common kind was food and beverage; the largest payer was Madrigal Pharmaceuticals. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Allyssa Lorian Castillo among 9,175 internal medicine physician records in Texas
Allyssa Lorian Castillo, DNP is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 97% of them.
- NPI issued2024 · 97% of these records are older, 2% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2026 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 internal medicine physician records list a practice address in New Braunfels
They are 25 of the 1,853 NPPES records with a practice address in New Braunfels, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in New Braunfels → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Benyam Alemu, M.D.New Braunfels, TX 781301154646560
- Douglas Bahr, MDNew Braunfels, TX 781301093708752
- Anthony Bienek, DONew Braunfels, TX 781301336376995
- Lori Hickson, M.D.New Braunfels, TX 781301235196163
- Jerry Hu, DONew Braunfels, TX 781301184967242
- Julia Kellcy, D.O.New Braunfels, TX 781301265540793
- Laurence Levett, M.D.New Braunfels, TX 781301760498646
- Susan Miller, MDNew Braunfels, TX 781301538262407
Common questions
What is Allyssa Lorian Castillo, DNP's NPI number?
Allyssa Lorian Castillo, DNP's National Provider Identifier (NPI) is 1780454561, issued on Jan 3, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Allyssa Lorian Castillo, DNP located?
The NPPES record lists a practice address at 598 N Union Ave Ste 250, New Braunfels, TX, 78130. Phone: (830) 359-5859. Providers update this record themselves, so call before visiting.
How can I verify Allyssa Lorian Castillo, DNP's license?
NPPES lists Texas license number 1139450, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Allyssa Lorian Castillo, DNP prescribe under Medicare Part D?
In 2024, Allyssa Lorian Castillo, DNP had 225 Medicare Part D claims for 78 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.