Angelei Guzman Mercado, FNP
Nurse Practitioner · San Antonio, TX
Angelei Guzman Mercado, FNP is a nurse practitioner with a practice address in San Antonio, Texas, and NPI 1942830708, issued on Jan 21, 2020. Check the license (Texas AP144412, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Angelei Guzman Mercado
- Credential
- FNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- AP144412 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4411 Medical Dr Ste 300, San Antonio, TX 78229
- Phone
- (210) 614-5400
- Enumerated
- Jan 21, 2020
- Record last updated
- Dec 4, 2025
- Fax
- (210) 510-7338
- Medicare enrollment
- Enrolled (PECOS I20200909000989); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 4,825 in Texas → Look up another NPI →
Also registered at 4411 Medical Dr Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alessandra Andren, PA-CPhysician Assistant1922732643
- Manjusha Anna, M.DCardiovascular Disease Physician1972890994
- Richard Baum, MDCardiovascular Disease Physician1013994987
Verify Angelei Guzman Mercado in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license AP144412Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average nurse practitioner in 2024
149 Medicare Part D claims for 68 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Clopidogrel17 claims
- Metoprolol Succinate15 claims
- Pantoprazole Sodium14 claims
- Sucralfate11 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: $347.54
13 payments; by number, the most common kind was food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 38,884 providers of this specialty with any payment received $791.64 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.
Bills Medicare through 2 group practices
- Cardiology Clinic OF San Antonio, PLLCSan Antonio, TX
- University OF Texas Health Science Center AT San AntonioSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Angelei Guzman Mercado among 4,825 nurse practitioner records in Texas
Angelei Guzman Mercado, FNP is one of 4,825 nurse practitioner records with a practice address in Texas. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 62% of them.
- NPI issued2020 · 62% of these records are older, 31% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated2019 · median 2018 among the 2,618 with a school on file
- Record last updated2025 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
393 nurse practitioner records list a practice address in San Antonio
They are 393 of the 37,749 NPPES records with a practice address in San Antonio, and 4,825 nurse practitioner records in Texas.
All 4,825 in Texas → Every provider in San Antonio → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Sonja BruneSan Antonio, TX 782291780683888
- Kathleen Buckley, CPNPSan Antonio, TX 782291437110202
- Angelina Cantrell, NPSan Antonio, TX 782291376560888
- Aimee Carlson, CPNPSan Antonio, TX 782291073613386
- Candace Chapin, FNPSan Antonio, TX 782291568574531
- Tina Clements, MSN, APRN, FNP-BCSan Antonio, TX 782291124018080
- John Davis, FNPSan Antonio, TX 782291457350431
- Peggy FrancisSan Antonio, TX 782291013926542
Common questions
What is Angelei Guzman Mercado, FNP's NPI number?
Angelei Guzman Mercado, FNP's National Provider Identifier (NPI) is 1942830708, issued on Jan 21, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Angelei Guzman Mercado, FNP located?
The NPPES record lists a practice address at 4411 Medical Dr Ste 300, San Antonio, TX, 78229. Phone: (210) 614-5400. Providers update this record themselves, so call before visiting.
How can I verify Angelei Guzman Mercado, FNP's license?
NPPES lists Texas license number AP144412, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Angelei Guzman Mercado, FNP prescribe under Medicare Part D?
In 2024, Angelei Guzman Mercado, FNP had 149 Medicare Part D claims for 68 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.