DR. ENRIQUE O. ORTIZ-DIAZ M.D.
NPI 1275737660
Internal Medicine - Critical Care Medicine in San Antonio, TX

Active since June 12, 2007PECOS EnrolledAccepts Medicare Assignment
4458 MEDICAL DR STE 505, SAN ANTONIO, TX 78229(210) 690-7400(210) 690-7405 Get Directions Write a Review

NPPES record last updated: January 16, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 23, 2024, Mar 4, 2019, Aug 14, 2017 (3 updates tracked since 2017).

About Dr. Enrique O. Ortiz-diaz M.d. NPPES

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

DR. ENRIQUE O. ORTIZ-DIAZ M.D. (NPI 1275737660) is an individual critical care medicine provider in San Antonio, Texas, licensed in Texas (R9261) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Hospital Menonita Caguas Inc, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1275737660
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameDR. ENRIQUE O. ORTIZ-DIAZCredential: M.D.
Location Address4458 MEDICAL DR STE 505San Antonio, TX 78229-3748
Mailing Address4458 Medical Dr Ste 505San Antonio, TX 78229-3748 · (210) 690-7400
Fax(210) 690-7405
Sole ProprietorNo
Medical School CMSUniversity Of Puerto Rico School Of MedicineGraduated 2005
Enumeration DateJune 12, 2007
Last NPPES UpdateJanuary 16, 20253 updates tracked since enumeration
NPPES CertifiedJanuary 16, 2025
NPI 1275737660 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 · R9261 Licensed in FL · ME120804 Licensed in PR · 017287
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 · Pulmonary DiseaseTaxonomy 207RP1001X · License 017287 (PR)
4458 MEDICAL DR STE 505, San Antonio, TX 78229

Secondary Practice Locations 3

Location 118220 State Highway 249Houston, TX 77070 · Phone (281) 737-8300
Location 2Turabo Garden Carretera 172 Salida 21Caguas, PR 00727-7084 · Phone (787) 653-0550 ext. 2053
Location 33663 S Miami AveMiami, FL 33133-4253 · Phone (305) 854-0616 · Fax (305) 854-4384

Other Identifiers 1

Other3KSBLFL · Bc/bs

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

Dr. Enrique O. Ortiz-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 ID3870647878
PECOS Enrollment IDI20190116002308, I20250303002123
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.

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.
41 services37 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.
17 services16 patients
Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Hospital Menonita Caguas Inc

Acute Care Hospitals · Caguas, PR
OwnershipVoluntary non-profit - Private
CMS Certification Number400104
LocationCarr 172 Exit 21 Urb Turabo GardensCaguas, PR 00725 · Caguas County
Emergency services

Peterson Regional Medical Center

Acute Care Hospitals · Kerrville, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450007
Location551 Hill Country DriveKerrville, TX 78028 · Kerr County
Emergency services Birthing friendly

Methodist Hospital Atascosa

Acute Care Hospitals · Jourdanton, TX
OwnershipProprietary
CMS Certification Number450165
Location1905 Hwy 97 EastJourdanton, TX 78026 · Atascosa County
Emergency services

Methodist Hospital

Acute Care Hospitals · San Antonio, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number450388
Location7700 Floyd Curl DrSan Antonio, TX 78229 · Bexar County
Emergency services Birthing friendly

Uvalde Memorial Hospital

Critical Access Hospitals · Uvalde, TX
OwnershipGovernment - Hospital District or Authority
CMS Certification Number451387
Location1025 Garner Field RoadUvalde, TX 78801 · Uvalde County
Emergency services

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
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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.

Internal Medicine (Pulmonary Disease)
4458 MEDICAL DR STE 505
SAN ANTONIO, TX 78229
Internal Medicine (Nephrology)
4458 MEDICAL DR STE 505
SAN ANTONIO, TX 78229
Nurse Practitioner (Acute Care)
4458 MEDICAL DR STE 505
SAN ANTONIO, TX 78229
Internal Medicine (Pulmonary Disease)
4458 MEDICAL DR STE 505
SAN ANTONIO, TX 78229
Psychiatry & Neurology (Neurocritical Care)
4458 MEDICAL DR STE 505
SAN ANTONIO, TX 78229
Internal Medicine (Pulmonary Disease)
4458 MEDICAL DR STE 505
SAN ANTONIO, TX 78229
Internal Medicine (Pulmonary Disease)
4458 MEDICAL DR STE 505
SAN ANTONIO, TX 78229
Nurse Practitioner (Acute Care)
4458 MEDICAL DR STE 505
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 Enrique Ortiz-diaz's NPI number?

The NPI number for Enrique Ortiz-diaz is 1275737660. It was assigned to this individual provider in the NPPES registry on June 12, 2007.

Where is Enrique Ortiz-diaz located?

Enrique Ortiz-diaz practices at 4458 Medical Dr Ste 505, San Antonio, TX 78229. The listed phone number is (210) 690-7400.

What is Enrique Ortiz-diaz's specialty?

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

Is Enrique Ortiz-diaz enrolled in Medicare?

Yes. Enrique Ortiz-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 Enrique Ortiz-diaz accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 6 other insurers list Enrique Ortiz-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 Enrique Ortiz-diaz affiliated with any hospitals?

According to CMS data, Enrique Ortiz-diaz is affiliated with Hospital Menonita Caguas Inc, Peterson Regional Medical Center, Methodist Hospital Atascosa, Methodist Hospital and Uvalde Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Enrique Ortiz-diaz was last updated on January 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.