ANGELEI GUZMAN MERCADO FNP
NPI 1942830708
Nurse Practitioner in San Antonio, TX

Q: What is Angelei Mercado's NPI number?

The NPI number for Angelei Mercado is 1942830708. It was assigned to this individual provider in the NPPES registry on January 21, 2020.

Q: What is Angelei Mercado's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Angelei Mercado was last updated on December 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since January 21, 2020PECOS EnrolledAccepts Medicare Assignment

4411 MEDICAL DR STE 300, SAN ANTONIO, TX 78229(210) 614-5400(210) 510-7338 Get Directions Write a Review

NPPES record last updated: December 4, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 4, 2025, Jan 21, 2020 (2 updates tracked since 2020).

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About Angelei Guzman Mercado Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ANGELEI GUZMAN MERCADO FNP (NPI 1942830708) is an individual nurse practitioner in San Antonio, Texas, licensed in Texas (AP144412) and active in the NPI registry since January 2020. She is enrolled in Medicare PECOS, is affiliated with University Health System, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1942830708

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameANGELEI GUZMAN MERCADOCredential: FNP

Location Address4411 MEDICAL DR STE 300San Antonio, TX 78229-3824

Mailing Address10819 Falling WaterSan Antonio, TX 78249-3882 · (210) 639-1754

Phone(210) 614-5400

Fax(210) 510-7338

Sole ProprietorNo

Medical School CMSOtherGraduated 2019

Enumeration DateJanuary 21, 2020

Last NPPES UpdateDecember 4, 20252 updates tracked since enumeration

NPPES CertifiedDecember 4, 2025

✔ NPI 1942830708 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in TX · AP144412

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License AP144412 (TX)

4411 MEDICAL DR STE 300, San Antonio, TX 78229

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Angelei Guzman Mercado Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8628496510

PECOS Enrollment IDI20200909000989

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Angelei Mercado reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cardiology Clinic Of San Antonio, PLLC

Same address

Cardiovascular Disease

4411 MEDICAL DR, SUITE #300
San Antonio, TX 78229

Reassigned Medicare billing, Texas enrollment
130 clinicians in this Medicare group

NPI 1487965000 (210) 614-5400

University Of Texas Health Science Center At San Antonio

0.3 mi

Clinical Pathology/Laboratory Medicine

7703 FLOYD CURL DR RM 327B
San Antonio, TX 78229

Reassigned Medicare billing, Texas enrollment
2,397 clinicians in this Medicare group

NPI 1396717989 (210) 450-9000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

20 services20 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

13 services12 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Health System

Acute Care Hospitals · San Antonio, TX

3/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number450213

Location4502 Medical DrSan Antonio, TX 78229 · Bexar County

Emergency services Birthing friendly

Methodist Hospital

Acute Care Hospitals · San Antonio, TX

4/5 CMS rating

OwnershipProprietary

CMS Certification Number450388

Location7700 Floyd Curl DrSan Antonio, TX 78229 · Bexar County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78229 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$84.92 typical visit price

range $54.84 – $166.88

Typical copayment $21.23 (range $13.71 – $41.72)

Most-billed visit code 99203

Established Patient

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

RICHARD A BAUM MD

Internal Medicine (Cardiovascular Disease)