DR. MANUEL ARNALDO VILCHEZ-DIAZ M.D.
NPI 1164684908
Internal Medicine - Critical Care Medicine in Houston, TX

Q: What is Manuel Vilchez-diaz's NPI number?

The NPI number for Manuel Vilchez-diaz is 1164684908. It was assigned to this individual provider in the NPPES registry on July 1, 2008.

Q: What is Manuel Vilchez-diaz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Active since July 01, 2008PECOS EnrolledAccepts Medicare Assignment

6565 FANNIN ST STE 1003, HOUSTON, TX 77030(713) 441-1100 Get Directions Write a Review

NPPES record last updated: March 12, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Manuel Arnaldo Vilchez-diaz M.d. NPPES

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

DR. MANUEL ARNALDO VILCHEZ-DIAZ M.D. (NPI 1164684908) is an individual critical care medicine provider in Houston, Texas, licensed in Texas (S3889) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Memorial City Hospital, and maintains a secondary practice location in Fort Smith.

NPPES Registry Identity

NPI1164684908

Entity TypeIndividualMale

Primary Taxonomy207RC0200X

Provider Legal NameDR. MANUEL ARNALDO VILCHEZ-DIAZCredential: M.D.

Location Address6565 FANNIN ST STE 1003Houston, TX 77030-2703

Mailing Address6565 Fannin St Ste 1003Houston, TX 77030-2703 · (713) 441-1100

Phone(713) 441-1100

Sole ProprietorNo

Medical School CMSOtherGraduated 2003

Enumeration DateJuly 1, 2008

Last NPPES UpdateMarch 12, 2020

NPPES CertifiedMarch 12, 2020

✔ NPI 1164684908 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RC0200X

Licenses✔ Licensed in TX · S3889✔ Licensed in AR · E-8963

Definition

An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Also ListedInternal Medicine · Infectious DiseaseTaxonomy 207RI0200X · License E-8963 (AR)

6565 FANNIN ST STE 1003, Houston, TX 77030

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Secondary Practice Location 1

Location 17301 Rogers AveFort Smith, AR 72903-4100 · Phone (479) 314-6486 · Fax (479) 314-2021

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Superior HealthPlan, Ambetter Health, Blue Cross and Blue Shield of Texas 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. Manuel Arnaldo Vilchez-diaz M.d. 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 ID9931410321

PECOS Enrollment IDI20200128000817

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 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.

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

262 services137 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

45 services39 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

23 services20 patients

Insertion of non-tunneled central venous tube for infusion (5 years or older) 36556

This procedure involves placing a thin tube into a large vein, usually in the neck or chest, to administer medication or fluids. It's done under local anesthesia to minimize discomfort. It's a standard, safe procedure for individuals aged 5 and above.

21 services20 patients

Hospital Affiliations CMS Care Compare

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

Memorial Hermann Memorial City Hospital

Acute Care Hospitals · Houston, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450610

Location921 GessnerHouston, TX 77024 · Harris County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 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

$134.06 typical visit price

range $58.24 – $176.98

Typical copayment $33.51 (range $14.56 – $44.24)

Most-billed visit code 99204

Established Patient

$102.71 typical visit price

range $18.60 – $143.93

Typical copayment $25.67 (range $4.65 – $35.98)

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 2

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

DR. JAVIER D FINKIELMAN M.D.

Internal Medicine (Critical Care Medicine)

6565 FANNIN ST STE 1003
HOUSTON, TX 77030

Harris County (713) 441-1100

PRAKRUTHI VENKATA VOORE MD

Internal Medicine (Critical Care Medicine)

6565 FANNIN ST STE 1003
HOUSTON, TX 77030

Harris County (713) 441-1100

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 Manuel Vilchez-diaz's NPI number?

The NPI number for Manuel Vilchez-diaz is 1164684908. It was assigned to this individual provider in the NPPES registry on July 1, 2008.

Where is Manuel Vilchez-diaz located?

Manuel Vilchez-diaz practices at 6565 Fannin St Ste 1003, Houston, TX 77030. The listed phone number is (713) 441-1100.

What is Manuel Vilchez-diaz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Manuel Vilchez-diaz enrolled in Medicare?

Yes. Manuel Vilchez-diaz 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 Manuel Vilchez-diaz accept?

Health plans from Ambetter Health, Ambetter from Superior HealthPlan, Blue Cross and Blue Shield of Texas, Community Health Choice and Molina Healthcare list Manuel Vilchez-diaz 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 Manuel Vilchez-diaz affiliated with any hospitals?

According to CMS data, Manuel Vilchez-diaz is affiliated with Memorial Hermann Memorial City Hospital.

When was this NPI record last updated?

The NPPES record for Manuel Vilchez-diaz was last updated on March 12, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.