Olga Olivares-Herrera, MD
NPI 1437193836 · Family Medicine Physician · Mcallen, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Olga Olivares-Herrera, MD is a Family Medicine Physician provider in Mcallen, TX (NPI 1437193836).
Provider details
- NPI number
- 1437193836
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- M2431 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
286 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 72 | $122 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 66 | $121 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 64 | $165 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 46 | $87 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 38 | $75 |
Typical Medicare-allowed amounts for these services range $75–$165 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 74 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 217 | 64 |
| Levothyroxine Sodium | 211 | 49 |
| Omeprazole | 113 | 31 |
| Escitalopram Oxalate | 105 | 28 |
| Furosemide | 97 | 25 |
| Memantine Hcl | 97 | 16 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 91 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-15
- Last updated
- 2023-10-31
- Certified
- 2023-10-31
Frequently asked questions
- What is Olga Olivares-Herrera's NPI number?
- Olga Olivares-Herrera's National Provider Identifier (NPI) is 1437193836, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Olga Olivares-Herrera's specialty?
- Olga Olivares-Herrera is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Olga Olivares-Herrera located?
- Olga Olivares-Herrera's practice location on file with NPPES is 110 E Savannah Ave, Mcallen, TX 78503-1241.
- What is Olga Olivares-Herrera's phone number?
- The practice phone number listed in the NPPES registry for Olga Olivares-Herrera is (956) 971-8800.
- Does Olga Olivares-Herrera accept Medicare?
- Olga Olivares-Herrera is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Olga Olivares-Herrera's NPI active?
- Yes — Olga Olivares-Herrera's NPI (1437193836) is active in the NPPES registry as of the last update on 2023-10-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.