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MRS. OLGA MARIA OLIVARES-HERRERA MD
NPI 1437193836
Family Medicine in Mcallen, TX

Active since June 15, 2006PECOS EnrolledAccepts Medicare Assignment
110 E SAVANNAH AVE, BLDG C SUITE 103, MCALLEN, TX 78503(956) 971-8800(956) 971-8804 Get Directions Write a Review

NPPES record last updated: October 31, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 31, 2023, Jun 17, 2016 (2 updates tracked since 2016).

About Mrs. Olga Maria Olivares-herrera Md NPPES

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

MRS. OLGA MARIA OLIVARES-HERRERA MD (NPI 1437193836) is an individual family medicine provider in Mcallen, Texas, licensed in Texas (M2431) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with South Texas Health System, and is a graduate of Other (1993).

NPPES Registry Identity

NPI1437193836
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameMRS. OLGA MARIA OLIVARES-HERRERACredential: MD
Location Address110 E SAVANNAH AVE, BLDG C SUITE 103Mcallen, TX 78503-1241
Mailing AddressPo Box 306Mcallen, TX 78505-0306 · (956) 971-8800 · Fax (956) 971-8804
Phone(956) 971-8800
Fax(956) 971-8804
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateJune 15, 2006
Last NPPES UpdateOctober 31, 20232 updates tracked since enumeration
NPPES CertifiedOctober 31, 2023
✔ NPI 1437193836 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in TX · M2431
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedFamily Medicine · Geriatric MedicineTaxonomy 207QG0300X · License M2431 (TX)
Also ListedInternal Medicine · Hospice and Palliative MedicineTaxonomy 207RH0002X · License M2431 (TX)
110 E SAVANNAH AVE, Mcallen, TX 78503
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Other Identifiers 2

Other8V4980TX · Bc&bs Individual Pin
Medicaid180578001TX

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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Olga Maria Olivares-herrera 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 ID6305856543
PECOS Enrollment IDI20060502000609
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Olga Olivares-herrera reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Providence Medical And Geriatric Associates, PA
Same address
General Practice
110 E SAVANNAH AVE, BLDG C SUITE 103
Mcallen, TX 78503
  • Reassigned Medicare billing, Texas enrollment
  • 3 clinicians in this Medicare group
NPI 1942409198 (956) 971-8800
Mcallen Hospitalist Group, PLLC
5.9 mi
Internal Medicine
1400 W TRENTON RD
Edinburg, TX 78539
  • Reassigned Medicare billing, Texas enrollment
  • 143 clinicians in this Medicare group
NPI 1356361976 (956) 388-2187

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

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.
72 services29 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.
66 services63 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.
64 services59 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.
46 services21 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.
38 services17 patients

Hospital Affiliations CMS Care Compare

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

South Texas Health System

Acute Care Hospitals · Edinburg, TX
3/5 CMS rating
OwnershipProprietary
CMS Certification Number450119
Location1102 W Trenton RoadEdinburg, TX 78539 · Hidalgo County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78503 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
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
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.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
2 suppliers17 claims17 services$32.23 avg. paid by Medicare
Multi-positional patient transfer system, with integrated seat, operated by care giver, patient weight capacity up to and including 300 lbs E1035
DME-Other DME · category DE000N
1 supplier22 claims22 services$400.53 avg. paid by Medicare
Standard wheelchair K0001
DME-Wheelchairs · category DD000N
1 supplier19 claims19 services$13.21 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
1 supplier11 claims11 services$215.50 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 19

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

F M BORLAND MD PA
Surgery
110 E SAVANNAH AVE, BLDG A202
MCALLEN, TX 78503
Hidalgo County (956) 631-8155
MARIO DEL PINO MD, PA
Legal Medicine
110 E SAVANNAH AVE, A-202
MCALLEN, TX 78503
Hidalgo County (956) 631-8155
DR. GREGORY SINCLAIR GOLDSMITH SR. M.D.
Orthopaedic Surgery
110 E SAVANNAH AVE, BLDG B, STE 101
MCALLEN, TX 78503
Hidalgo County (956) 686-1575
FREDRICKA M BORLAND M.D.
Surgery
110 E SAVANNAH AVE, BLDG A
MCALLEN, TX 78503
Hidalgo County (956) 631-8155
MRS. LETTY RUTLEDGE R.N., MSN
Nurse Practitioner (Family)
110 E SAVANNAH AVE, SUITE A 204
MCALLEN, TX 78503
Hidalgo County (956) 686-4040
MARLEN RANGEL AGACNP-BC
Nurse Practitioner (Acute Care)
110 E SAVANNAH AVE
MCALLEN, TX 78503
Hidalgo County (956) 686-2626
MD HOSPITALISTS PLLC
Hospitalist
110 E SAVANNAH AVE, BLDG B SUITE 203
MCALLEN, TX 78503
Hidalgo County (956) 686-7611
ALEJANDRO D. KUDISCH M.D., PA
Psychiatry & Neurology (Child & Adolescent Psychiatry)
110 E SAVANNAH AVE, BLDG B -201
MCALLEN, TX 78503
Hidalgo County (956) 687-3000

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 Olga Olivares-herrera's NPI number?

The NPI number for Olga Olivares-herrera is 1437193836. It was assigned to this individual provider in the NPPES registry on June 15, 2006.

Where is Olga Olivares-herrera located?

Olga Olivares-herrera practices at 110 E Savannah Ave Bldg C Suite 103, Mcallen, TX 78503. The listed phone number is (956) 971-8800.

What is Olga Olivares-herrera's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Olga Olivares-herrera enrolled in Medicare?

Yes. Olga Olivares-herrera 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.

Which organizations bill Medicare for Olga Olivares-herrera's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Olga Olivares-herrera reassigns Medicare benefits to 2 organizations: Providence Medical And Geriatric Associates, PA (Mcallen, TX) and Mcallen Hospitalist Group, PLLC (Edinburg, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Olga Olivares-herrera's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Olga Olivares-herrera accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list Olga Olivares-herrera 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 Olga Olivares-herrera affiliated with any hospitals?

According to CMS data, Olga Olivares-herrera is affiliated with South Texas Health System.

When was this NPI record last updated?

The NPPES record for Olga Olivares-herrera was last updated on October 31, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.