OSCAR ALBERTO IZNAOLA -ESQUIVEL M.D.
NPI 1699968560
Internal Medicine - Nephrology in San Antonio, TX

Active since August 23, 2007PECOS Enrolled
1141 N LOOP 1604 E, 105-434, SAN ANTONIO, TX 78232(361) 239-2851 Get Directions Write a Review

NPPES record last updated: March 6, 2020. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Oscar Alberto Iznaola -esquivel M.d. NPPES

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

OSCAR ALBERTO IZNAOLA -ESQUIVEL M.D. (NPI 1699968560) is an individual nephrology provider in San Antonio, Texas, licensed in Texas (N2126) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS, is affiliated with Baptist Medical Center, and is a graduate of Other (2000).

NPPES Registry Identity

NPI1699968560
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameOSCAR ALBERTO IZNAOLA -ESQUIVELCredential: M.D.
Location Address1141 N LOOP 1604 E, 105-434San Antonio, TX 78232-1339
Mailing Address1141 N Loop 1604 E, 105-434San Antonio, TX 78232-1339 · (361) 239-2851
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateAugust 23, 2007
Last NPPES UpdateMarch 6, 2020
NPPES CertifiedMarch 6, 2020
✔ NPI 1699968560 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in TX · N2126
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Also ListedInternal Medicine · Geriatric MedicineTaxonomy 207RG0300X · License N2126 (TX)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License BP30027810 (TX)
1141 N LOOP 1604 E, San Antonio, TX 78232

Other Identifiers 2

Other760524482Federaltax Id Number
Medicaid207474204TX

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 (PECOS)

Oscar Alberto Iznaola -esquivel M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1254485089
PECOS Enrollment IDI20090813000461
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 6

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.

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.
1,005 services97 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.
699 services127 patients
Hemodialysis procedure with physician evaluation 90935
Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.
206 services43 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
112 services19 patients
Dialysis services, 2-3 physician visits per month (20 years or older) 90961
Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.
61 services20 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
54 services47 patients

Hospital Affiliations CMS Care Compare 5

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

Baptist Medical Center

Acute Care Hospitals · San Antonio, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number450058
Location111 Dallas StreetSan Antonio, TX 78205 · Bexar County
Emergency services Birthing friendly

University Health System

Acute Care Hospitals · San Antonio, TX
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number450213
Location4502 Medical DrSan Antonio, TX 78229 · Bexar County
Emergency services Birthing friendly

Christus Santa Rosa Medical Center

Acute Care Hospitals · San Antonio, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number450237
Location2827 Babcock RoadSan Antonio, TX 78229 · Bexar County
Emergency services Birthing friendly

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

Methodist Hospital Stone Oak

Acute Care Hospitals · San Antonio, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number670055
Location1139 E Sonterra Blvd,San Antonio, TX 78258 · Bexar County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78232 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 4

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

Specialist/Technologist, Other (Electroneurodiagnostic)
1141 N LOOP 1604 E, STE 105-612
SAN ANTONIO, TX 78232
Specialist/Technologist, Other (Electroneurodiagnostic)
1141 N LOOP 1604 E, 105-446
SAN ANTONIO, TX 78232
Specialist/Technologist, Other (Electroneurodiagnostic)
1141 N LOOP 1604 E, STE 105-612
SAN ANTONIO, TX 78232
Specialist/Technologist, Other (Electroneurodiagnostic)
1141 N LOOP 1604 E, STE 105-612
SAN ANTONIO, TX 78232

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 Oscar Iznaola -esquivel's NPI number?

The NPI number for Oscar Iznaola -esquivel is 1699968560. It was assigned to this individual provider in the NPPES registry on August 23, 2007.

Where is Oscar Iznaola -esquivel located?

Oscar Iznaola -esquivel practices at 1141 N Loop 1604 E 105-434, San Antonio, TX 78232. The listed phone number is (361) 239-2851.

What is Oscar Iznaola -esquivel's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Oscar Iznaola -esquivel enrolled in Medicare?

Yes. Oscar Iznaola -esquivel is registered in the Medicare PECOS enrollment system.

What insurance does Oscar Iznaola -esquivel accept?

Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Molina Healthcare and WellPoint list Oscar Iznaola -esquivel 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 Oscar Iznaola -esquivel affiliated with any hospitals?

According to CMS data, Oscar Iznaola -esquivel is affiliated with Baptist Medical Center, University Health System, Christus Santa Rosa Medical Center, Methodist Hospital and Methodist Hospital Stone Oak.

When was this NPI record last updated?

The NPPES record for Oscar Iznaola -esquivel was last updated on March 6, 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.