Mercedes Yanson Mortalla
Family Nurse Practitioner · Brownsville, TX
Mercedes Yanson Mortalla is a family nurse practitioner with a practice address in Brownsville, Texas, and NPI 1538623186, issued on Jan 29, 2019. Check the license (Texas AP137774, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mercedes Yanson Mortalla
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- AP137774 TX
Self-reported in NPPES; status is on the state search - Practice location
- 680 Paredes Line RD, Brownsville, TX 78521
- Phone
- (956) 541-9499
- Enumerated
- Jan 29, 2019
- Record last updated
- Jan 29, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 21,242 in Texas → Look up another NPI →
Also registered at 680 Paredes Line RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vannessa Contreras, APRN, FNP-CFamily Nurse Practitioner1255084026
- Maru Luis Ladilad, FNP-CFamily Nurse Practitioner1285033142
Verify Mercedes Yanson Mortalla in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license AP137774Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $649.12
33 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 99,489 providers of this specialty with any payment received $650.95 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.
Mercedes Yanson Mortalla among 21,242 family nurse practitioner records in Texas
Mercedes Yanson Mortalla 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 2019, is newer than 50% of them.
- NPI issued2019 · 50% of these records are older, 41% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2019 · 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).
111 family nurse practitioner records list a practice address in Brownsville
They are 111 of the 1,671 NPPES records with a practice address in Brownsville, and 21,242 family nurse practitioner records in Texas.
All 21,242 in Texas → Every provider in Brownsville → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Elizabeth Betz, NPBrownsville, TX 785211942572771
- Martha Bollier, RN-FNPBrownsville, TX 785211659598605
- Leticia Cantu, FNPBrownsville, TX 785211851739700
- Maria Castillo, FNPBrownsville, TX 785211376805036
- Barbara HillBrownsville, TX 785211972589109
- Maria Jaramillo, FNPBrownsville, TX 785211285845321
- Karla Lopez, FNP-BCBrownsville, TX 785211275969446
- Erika Lucio, FNPBrownsville, TX 785211801143854
Common questions
What is Mercedes Yanson Mortalla's NPI number?
Mercedes Yanson Mortalla's National Provider Identifier (NPI) is 1538623186, issued on Jan 29, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Mercedes Yanson Mortalla located?
The NPPES record lists a practice address at 680 Paredes Line RD, Brownsville, TX, 78521. Phone: (956) 541-9499. Providers update this record themselves, so call before visiting.
How can I verify Mercedes Yanson Mortalla's license?
NPPES lists Texas license number AP137774, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity 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.