Independent US Healthcare Provider Directory & Public Medical Database Patient Guides

Alyssa May Parsons , PA-C

Physician Assistant β€’ San Antonio, TX

Active NPI 1134819295 Individual Practitioner Female Practitioner Accepts Medicare assignment
Practice location in NPPES

10447 State Highway 151
San Antonio, TX 782514551

Call 2106165385 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

10447 State Highway 151

San Antonio, TX 782514551

Telephone 2106165385
Fax 6029331918
Organization at the Same NPPES Address or Phone
South Texas Allergy & Asthma Medical Professionals Pllc Facility NPI 1689085854

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Other Listings in Public Data

CMS Doctors and Clinicians lists 1 group name: South Texas Allergy And Asthma Medical Professionals Pllc. See the list

Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.

Listings do not confirm current availability, employment or a shared ownership network.

Medicare Profile & Education

Source: CMS Doctors and Clinicians National Downloadable File

Graduation Year

2023

Open Payments general payments, program year 2025

All general payments: $462.13 across 16 records.

By nature of payment

  • Food and Beverage: $462.13 across 16 records.

Reporting-company totals (3 largest of 9)

  • Sanofi and Genzyme US Companies: $207.18 across 4 records.
  • Organon LLC: $60.52 across 3 records.
  • AstraZeneca Pharmaceuticals LP: $53.80 across 3 records.

A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.

See the full table

Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).

Guide: How to read an Open Payments record

Years since graduation

3 years (graduated 2023)

CMS Doctors and Clinicians data list 2023 as the year this clinician finished professional school.

What this does not show: Years since graduation

It is not the number of years in practice, and more years does not mean better care.

Source: CMS Doctors and Clinicians National Downloadable File.

NPI first issued

2023

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Accepts Medicare assignment

CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians; Medicare.gov, β€œDoes your provider accept Medicare as full payment?”

Guide: What Medicare assignment means

No telehealth indicator

CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

Alyssa Parsons has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists Alyssa Parsons as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.

What this does not show: Can order Medicare-covered services

It does not mean the clinician offers these services directly.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What ordering and referring status means

Compared with the same specialty in San Antonio and Texas

874 active clinicians are listed under Physician Assistant with a practice address in San Antonio, TX (11,008 in Texas).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in San Antonio

13.2% of these 874 clinicians have the CMS telehealth indicator.

47.7% of these 874 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo Β· Report an error.

Pharma & Medical Device Financial Disclosures

Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments

Open Payments Β· Program Year 2025
Disclosure Year:

Program year 2025 (payments made January 1 – December 31, 2025): 16 records totaling $462.13.

Manufacturer Payment Nature Product Type Amount ($)
Sanofi and Genzyme US Companies
Food and Beverage
In-kind items and services
DUPIXENT General $124.99
Sanofi and Genzyme US Companies
Food and Beverage
In-kind items and services
DUPIXENT General $37.91
Incyte Corporation
Food and Beverage
Cash or cash equivalent
OPZELURA General $29.74
Regeneron Pharmaceuticals, Inc.
Food and Beverage
In-kind items and services
DUPIXENT General $27.46
CSL Behring
Food and Beverage
In-kind items and services
Andembry General $26.88
Sanofi and Genzyme US Companies
Food and Beverage
In-kind items and services
DUPIXENT General $24.23
AstraZeneca Pharmaceuticals LP
Food and Beverage
In-kind items and services
TEZSPIRE General $23.37
Genentech, Inc.
Food and Beverage
In-kind items and services
Xolair General $23.18
Organon LLC
Food and Beverage
In-kind items and services
β€” General $23.12
Sanofi and Genzyme US Companies
Food and Beverage
In-kind items and services
DUPIXENT General $20.05
GlaxoSmithKline, LLC.
Food and Beverage
In-kind items and services
TRELEGY ELLIPTA General $19.65
Organon LLC
Food and Beverage
In-kind items and services
β€” General $19.49
Organon LLC
Food and Beverage
In-kind items and services
β€” General $17.91
AstraZeneca Pharmaceuticals LP
Food and Beverage
In-kind items and services
AIRSUPRA General $15.64
AstraZeneca Pharmaceuticals LP
Food and Beverage
In-kind items and services
FASENRA General $14.79
ARS Pharmaceuticals Operations, Inc.
Food and Beverage
In-kind items and services
NEFFY General $13.72

Source: CMS Open Payments, program year 2025, released June 30, 2026.

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2025-08-13
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Texas Medical Board.
Look Up on State Board Site

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid ID
189351 (AZ)

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - PHYSICIAN ASSISTANT

Medicare Enrollment ID

I20250630001711

Enrollment State Jurisdiction

TX

PECOS Control ID

1658716162

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Eligible
Power Mobility Devices (PMD) Eligible

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Medicare Group Practice Enrollments

Source: CMS Doctors and Clinicians National Downloadable File

South Texas Allergy And Asthma Medical Professionals Pllc

10447 State Hwy 151, San Antonio, TX 782514551

Phone: 2106165385

South Texas Allergy And Asthma Medical Professionals Pllc

341 E Hildebrand Ave, San Antonio, TX 782122412

Phone: 2106165385

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

9 listed
Ahmed Adam Abudra

Physician Assistant

NPI 1760853360
Dr. John Dice , MD

Allergy & Immunology

NPI 1437140506

Doctor of Medicine (M.D.)

Dr. Erika Gonzalez , MD

Allergy & Immunology

NPI 1427022516

Doctor of Medicine (M.D.)

Grace Hughes , MSN, APRN, FNP-BC

Nurse Practitioner - Family

NPI 1497128029

Master of Science in Nursing, Advanced Practice Registered Nurse, Family Nurse Practitioner (Board Certified)

Alexis Laneve

Physician Assistant

NPI 1184339749
Peter Mcgerty

Physician Assistant

NPI 1083086557

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

11 Historical Events
πŸ“
Updated Practice Location August 13, 2025

Registered at 10447 STATE HIGHWAY 151, SAN ANTONIO, TX 782514551 (Tel: 2106165385)

πŸ“
Updated Business Mailing Address August 13, 2025

Registered at 10447 STATE HIGHWAY 151, SAN ANTONIO, TX 782514551 (Tel: 2106165385)

πŸ“
Updated Practice Location April 09, 2024

Registered at 1919 E THOMAS RD, PHOENIX, AZ 850167710 (Tel: 6029331900)

πŸ“
Updated Business Mailing Address April 09, 2024

Registered at 2108 E THOMAS RD STE 130, PHOENIX, AZ 850160008 (Tel: 6029333124)

πŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) April 09, 2024

Physician Assistant

βœ…
NPI Profile Active May 11, 2023

NPI status registered as active in NPPES database

πŸ“
Practice Location (Initial Record) May 11, 2023

Registered at 2801 E CAMELBACK RD STE 100, PHOENIX, AZ 850164363 (Tel: 4805764310)

πŸ“
Business Mailing Address (Initial Record) May 11, 2023

Registered at 2801 E CAMELBACK RD STE 100, PHOENIX, AZ 850164363 (Tel: 4805764310)

πŸ‘€
Provider Name / Credentials (Initial Record) May 11, 2023

Recorded as ALYSSA PARSONS, PA-C

πŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) May 11, 2023

Physician Assistant

🟒
Initial NPI Registration & Enumeration May 11, 2023

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1134819295
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 11, 2023
Last Update: August 13, 2025
Sole Proprietor: No

Other Physician Assistants in San Antonio

All Physician Assistants in San Antonio

Mailing Address

10447 State Highway 151

San Antonio, TX 782514551

Phone: 2106165385

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.