Marissa Garcia

  • San Antonio, TX
  • Physician assistant
NPI1396462586PAC ID0143687392
Medicare services, 2024
210
Medicare patients, 2024
110
Part D claims, 2024
779
Hospital affiliations
1
Industry payments
$52
Practice address
4502 Medical Dr, San Antonio, TX 78229
Practice phone
Call (210) 358-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

University Hospital (San Antonio)

San Antonio, Texas

See all 3 affiliations

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Marissa Garcia is a physician assistant in San Antonio, Texas

Marissa Garcia practices at University Hospital (San Antonio) in San Antonio, Texas.

Marissa Garcia's NPI, 1396462586, was assigned on October 27, 2022.

NPI and contact details
Medicare PAC ID
0143687392
NPI enumeration date
October 27, 2022
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(210) 358-4000
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
30
Medical school graduation
2022

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Marissa Garcia practices at University Hospital (San Antonio) in San Antonio, Texas

Marissa Garcia's primary practice is University Hospital (San Antonio), at 4502 Medical Dr, San Antonio, TX 78229 in Bexar County. The practice phone is (210) 358-4000.

  • University Hospital (San Antonio)
    4502 Medical Dr, San Antonio, TX 78229 · Bexar CountyPhone(210) 358-4000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Marissa Garcia is affiliated with 2 sites of care and 1 medical group

Marissa Garcia's primary practice is University Hospital (San Antonio) in San Antonio, Texas. Marissa Garcia is also affiliated with University Hospital. The medical group on file is UT Health Physicians.

See all 3 affiliations for Marissa Garcia

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Marissa Garcia's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Marissa Garcia practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
University Hospital (San Antonio)Available with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Marissa Garcia is one of 8,663 physician assistants in Texas

Physician assistant is Marissa Garcia's primary specialty in the NPI Registry, under taxonomy code 363A00000X.

Specialties and state licenses

  • Physician assistantPrimarytaxonomy 363A00000X

Physician assistants near Marissa Garcia

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Marissa Garcia billed Medicare for 210 services in 2024

CMS data shows 210 Medicare services from Marissa Garcia across 3 procedure codes in 2024, all of them office visits, for 110 Medicare patients. Medicare paid $15,570 for them. Every service was in an office.

Medicare services, 2024210
Medicare patients110
Paid by Medicare$15,570
Procedure codes3

Marissa Garcia compared with the Texas median for physician assistants, 2024

  • Marissa Garcia
  • Texas median
Medicare services
210vs 2298% below
Medicare patients
110vs 9911% above
Part D claims
358vs 29621% above

Medians across 5,541 physician assistants in Texas with Dmand AI profiles that report each measure.

Marissa Garcia's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Marissa Garcia

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Marissa Garcia treated 110 Medicare patients in 2024, average age 71

CMS counts 110 Medicare patients who saw Marissa Garcia in 2024. The largest group is 65 to 74, with 51 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.32, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Marissa Garcia's median patient age at 63, with 56% women.

Medicare patients, 2024110
Average age71
Average risk score1.32

Marissa Garcia's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Marissa Garcia's Medicare patients by sex, 2024

  • Women6761%
  • Men4339%

Chronic conditions among Marissa Garcia's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis51%
  4. Diabetes41%
  5. Mood disorders30%
  6. Anxiety28%
  7. Depression26%
  8. Ischemic heart disease26%

Share of Medicare patients with each condition. A patient can have several.

Marissa Garcia's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women56%
  • Men44%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Marissa Garcia wrote 779 Medicare Part D claims in 2024

In 2024, Marissa Garcia wrote 779 Medicare Part D claims for 182 patients. 70% of them were for generic drugs. CMS names the drug for 358 of them, across 16 drugs with 11 or more claims each, at $163,349 in total drug cost.

Part D claims, 2024779
Drugs named by CMS16
Total drug cost$163,349
Part D patients182

Marissa Garcia's Part D claims by kind of drug, 2024

  • Generic549 claims70%
  • Brand-name and other230 claims30%

Marissa Garcia's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Marissa Garcia's Part D claims, 2024

  • Antibiotics5%41 of 779 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Marissa Garcia

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Marissa Garcia takes part in Medicare

Marissa Garcia accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Marissa Garcia received $52 in industry payments from 2024 to 2025

CMS Open Payments shows 2 general payments to Marissa Garcia from 2 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Integra LifeSciences Corporation paid the most, $29.

General payments to Marissa Garcia by program year, 2024 to 2025

Companies that paid Marissa Garcia the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Marissa Garcia

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Marissa Garcia's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Marissa Garcia

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Marissa Garcia's NPI number?

Marissa Garcia's NPI number is 1396462586. It was assigned on October 27, 2022, and it is active in the NPI Registry.

What does Marissa Garcia specialize in?

Marissa Garcia is a physician assistant in San Antonio, Texas. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Marissa Garcia practice?

Marissa Garcia practices at 4502 Medical Dr, San Antonio, TX 78229. Marissa Garcia's primary practice is University Hospital (San Antonio) in San Antonio, Texas.

What is Marissa Garcia's office phone number?

The practice phone on file for Marissa Garcia is (210) 358-4000.

Which hospitals is Marissa Garcia affiliated with?

Marissa Garcia is affiliated with University Hospital.

What medical group is Marissa Garcia part of?

Marissa Garcia is linked to UT Health Physicians.

Does Marissa Garcia accept Medicare?

Yes. CMS data shows Marissa Garcia billed Medicare for 210 services in 2024, and Marissa Garcia accepts Medicare assignment.

How many Medicare patients does Marissa Garcia see?

CMS counts 110 Medicare patients who saw Marissa Garcia in 2024, with an average age of 71.

What services does Marissa Garcia bill to Medicare?

In 2024, Marissa Garcia's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, established patient (99213).

What drugs does Marissa Garcia prescribe most?

In 2024 Medicare Part D data, Marissa Garcia's most prescribed drugs by claims were Mounjaro, Metformin HCl ER and Atorvastatin Calcium.

Has Marissa Garcia received payments from drug or device companies?

CMS Open Payments shows $52 in general payments to Marissa Garcia from 2 companies from 2024 to 2025. The largest total came from Integra LifeSciences Corporation.

How long has Marissa Garcia been practicing?

Marissa Garcia graduated from medical school in 2022, 4 years ago.

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