DR. MARISSA VALENCIA YLAGAN MD
NPI 1942266051
Obstetrics & Gynecology - Maternal & Fetal Medicine in San Antonio, TX

Q: What is Marissa Ylagan's NPI number?

The NPI number for Marissa Ylagan is 1942266051. It was assigned to this individual provider in the NPPES registry on April 26, 2006.

Q: What is Marissa Ylagan's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Q: When was this NPI record last updated?

The NPPES record for Marissa Ylagan was last updated on August 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since April 26, 2006PECOS EnrolledAccepts Medicare Assignment

315 N SAN SABA STE 930, SAN ANTONIO, TX 78207(210) 704-3200 Get Directions Write a Review

NPPES record last updated: August 17, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 17, 2023, Apr 4, 2019 (2 updates tracked since 2019).

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About Dr. Marissa Valencia Ylagan Md NPPES

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

DR. MARISSA VALENCIA YLAGAN MD (NPI 1942266051) is an individual maternal & fetal medicine provider in San Antonio, Texas, licensed in Texas (S0595) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS and is a graduate of Uniformed Services Uhs Fe Hebert School Of Med (2002).

NPPES Registry Identity

NPI1942266051

Entity TypeIndividualFemale

Primary Taxonomy207VM0101X

Provider Legal NameDR. MARISSA VALENCIA YLAGANCredential: MD

Location Address315 N SAN SABA STE 930San Antonio, TX 78207-3154

Mailing Address315 N San Saba Ste 1135San Antonio, TX 78207-3255 · (210) 704-3342

Phone(210) 704-3200

Sole ProprietorNo

Medical School CMSUniformed Services Uhs Fe Hebert School Of MedGraduated 2002

Enumeration DateApril 26, 2006

Last NPPES UpdateAugust 17, 20232 updates tracked since enumeration

NPPES CertifiedAugust 17, 2023

✔ NPI 1942266051 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207VM0101X

License✔ Licensed in TX · S0595

Definition

An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.

Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License S0595 (TX)

315 N SAN SABA STE 930, San Antonio, TX 78207

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Other Identifiers 1

Medicaid394520601TX

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, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Marissa Valencia Ylagan Md 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 ID2163423369

PECOS Enrollment IDI20190314002505

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78207 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 7

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

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