MARCUS AMIEL AGNO YNALVEZ MD
NPI 1417524398
Hospitalist in Galveston, TX

Active since June 08, 2021PECOS EnrolledAccepts Medicare Assignment
301 UNIVERSITY BLVD, GALVESTON, TX 77555(409) 747-1883(409) 747-8579 Get Directions Write a Review

NPPES record last updated: May 28, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 28, 2025, Jun 15, 2021, Jun 8, 2021 (3 updates tracked since 2021).

About Marcus Amiel Agno Ynalvez Md NPPES

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

MARCUS AMIEL AGNO YNALVEZ MD (NPI 1417524398) is an individual hospitalist provider in Galveston, Texas, licensed in Texas (U9110) and active in the NPI registry since June 2021. He is enrolled in Medicare PECOS, is affiliated with University Of Texas Medical Branch Galveston, and is a graduate of University Of Texas Medical Branch At Galveston (2021).

NPPES Registry Identity

NPI1417524398
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameMARCUS AMIEL AGNO YNALVEZCredential: MD
Location Address301 UNIVERSITY BLVDGalveston, TX 77555-5303
Mailing Address301 University BlvdGalveston, TX 77555-5303 · (409) 747-8579
Fax(409) 747-8579
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 2021
Enumeration DateJune 8, 2021
Last NPPES UpdateMay 28, 20253 updates tracked since enumeration
NPPES CertifiedMay 28, 2025
NPI 1417524398 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License Licensed in TX · U9110
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License BP10074449 (TX)
301 UNIVERSITY BLVD, Galveston, TX 77555

Accepted 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

Marcus Amiel Agno Ynalvez 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 ID4183025133
PECOS Enrollment IDI20240503000982
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.

Areas of Expertise CMS Part B claims 3

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.
20 services19 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
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.
12 services12 patients

Hospital Affiliations CMS Care Compare

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

University Of Texas Medical Branch Galveston

Acute Care Hospitals · Galveston, TX
3/5 CMS rating
OwnershipGovernment - State
CMS Certification Number450018
Location301 University BoulevardGalveston, TX 77555 · Galveston County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77555 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
$131.16 typical visit price
range $57.19 – $173.07
Typical copayment $32.79 (range $14.29 – $43.26)
Most-billed visit code 99204
Established Patient
$100.90 typical visit price
range $18.45 – $141.36
Typical copayment $25.22 (range $4.61 – $35.34)
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.

Nurse Practitioner (Pediatrics)
301 UNIVERSITY BLVD
GALVESTON, TX 77555
Nurse Practitioner (Neonatal)
301 UNIVERSITY BLVD
GALVESTON, TX 77555
Surgery (Trauma Surgery)
301 UNIVERSITY BLVD
GALVESTON, TX 77555
Internal Medicine
301 UNIVERSITY BLVD
GALVESTON, TX 77555
Psychiatry & Neurology (Neurology)
301 UNIVERSITY BLVD, JSA 9.128
GALVESTON, TX 77555
Anesthesiology
301 UNIVERSITY BLVD
GALVESTON, TX 77555
Internal Medicine (Endocrinology, Diabetes & Metabolism)
301 UNIVERSITY BLVD
GALVESTON, TX 77555
Anesthesiology
301 UNIVERSITY BLVD
GALVESTON, TX 77555

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 Marcus Amiel Ynalvez's NPI number?

The NPI number for Marcus Amiel Ynalvez is 1417524398. It was assigned to this individual provider in the NPPES registry on June 8, 2021.

Where is Marcus Amiel Ynalvez located?

Marcus Amiel Ynalvez practices at 301 University Blvd, Galveston, TX 77555. The listed phone number is (409) 747-1883.

What is Marcus Amiel Ynalvez's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Marcus Amiel Ynalvez enrolled in Medicare?

Yes. Marcus Amiel Ynalvez is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Marcus Amiel Ynalvez accept?

Health plans from Blue Cross and Blue Shield of Texas, Community Health Choice and Oscar Insurance Company list Marcus Amiel Ynalvez as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Marcus Amiel Ynalvez affiliated with any hospitals?

According to CMS data, Marcus Amiel Ynalvez is affiliated with University Of Texas Medical Branch Galveston.

When was this NPI record last updated?

The NPPES record for Marcus Amiel Ynalvez was last updated on May 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.