MRS. MARISSA N LARGOZA MD
NPI 1720183312
Obstetrics & Gynecology in San Antonio, TX

Active since September 14, 2006PECOS EnrolledCLIA 45D0995749 · Microscopy
4499 MEDICAL DRIVE, SUITE 191, SAN ANTONIO, TX 78229(210) 692-0404(210) 692-9202 Get Directions Write a Review

NPPES record last updated: May 10, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 10, 2022, Feb 13, 2019 (2 updates tracked since 2019).

About Mrs. Marissa N Largoza Md NPPES

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

MRS. MARISSA N LARGOZA MD (NPI 1720183312) is an individual obstetrics & gynecology provider in San Antonio, Texas, licensed in Texas (L0366) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, holds a CLIA Microscopy certificate valid through December 4, 2026, and is a graduate of Jefferson Medical College Of Thomas Jefferson University (1994).

NPPES Registry Identity

NPI1720183312
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameMRS. MARISSA N LARGOZACredential: MD
Location Address4499 MEDICAL DRIVE, SUITE 191San Antonio, TX 78229-3774
Mailing Address4499 Medical Dr Ste 191San Antonio, TX 78229-3774 · (210) 692-0831 · Fax (210) 692-9202
Fax(210) 692-9202
Sole ProprietorYes
Medical School CMSJefferson Medical College Of Thomas Jefferson UniversityGraduated 1994
Enumeration DateSeptember 14, 2006
Last NPPES UpdateMay 10, 20222 updates tracked since enumeration
NPPES CertifiedMay 10, 2022
NPI 1720183312 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License Licensed in TX · L0366
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
4499 MEDICAL DRIVE, San Antonio, TX 78229

Other Identifiers 1

Medicaid140805601TX

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Mrs. Marissa N Largoza Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1052578259
PECOS Enrollment IDI20120131000055
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 45D0995749

Marissa N Largoza MD PA Methodist Plaza Suite 191 · San Antonio, TX
Active · expires Dec 4, 2026
CLIA Number45D0995749
Laboratory TypePhysician Office
Certificate Effective DateDecember 5, 2024
Certificate Expiration DateDecember 4, 2026
Laboratory DirectorMarissa N. Largoza MD
Laboratory Phone(210) 692-0831
Laboratory LocationMarissa N Largoza MD PA Methodist Plaza Suite 1914499 Medical Drive, Suite 191, San Antonio, TX 78229
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Areas of Expertise CMS Part B claims 4

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
51 services30 patients
Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
35 services35 patients
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091
A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.
16 services16 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
14 services13 patients

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
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
Most-billed visit code 99213
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 8

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

Obstetrics & Gynecology
4499 MEDICAL DRIVE, SUITE 183
SAN ANTONIO, TX 78229
Pediatrics (Pediatric Cardiology)
4499 MEDICAL DRIVE, SUITE 272
SAN ANTONIO, TX 78229
Pediatrics (Pediatric Cardiology)
4499 MEDICAL DRIVE, SUITE 272
SAN ANTONIO, TX 78229
Specialist
4499 MEDICAL DRIVE, SUITE 301
SAN ANTONIO, TX 78229
Student in an Organized Health Care Education/Training Program
4499 MEDICAL DRIVE
SAN ANTONIO, TX 78229
Internal Medicine (Cardiovascular Disease)
4499 MEDICAL DRIVE, SUITE 166
SAN ANTONIO, TX 78229
Obstetrics & Gynecology
4499 MEDICAL DRIVE, SUITE 191
SAN ANTONIO, TX 78229
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
4499 MEDICAL DRIVE, STE 396
SAN ANTONIO, TX 78229

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marissa Largoza's NPI number?

The NPI number for Marissa Largoza is 1720183312. It was assigned to this individual provider in the NPPES registry on September 14, 2006.

Where is Marissa Largoza located?

Marissa Largoza practices at 4499 Medical Drive Suite 191, San Antonio, TX 78229. The listed phone number is (210) 692-0404.

What is Marissa Largoza's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Marissa Largoza enrolled in Medicare?

Yes. Marissa Largoza is registered in the Medicare PECOS enrollment system.

Does Marissa Largoza hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 45D0995749) is associated with this NPI, valid through December 4, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Marissa Largoza was last updated on May 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.