Nathan Eivaz, M.D.
NPI 1871980672 · Otolaryngology Physician · Dallas, TX
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Eivaz, M.D. is a Otolaryngology Physician provider in Dallas, TX (NPI 1871980672).
Provider details
- NPI number
- 1871980672
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
878 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 224 | $98 |
| Diagnostic Exam of Nasal Passages Using an Endoscope31231 | 150 | $210 |
| Biopsy Or Removal of Nasal Polyp Or Tissue Using an Endoscope31237 | 79 | $384 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 74 | $119 |
| Test for Eardrum and Muscle Function92550 | 73 | $23 |
| Comprehensive Hearing and Speech Recognition Test92557 | 72 | $39 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azelastine Hcl | 116 | 66 |
| Ipratropium Bromide | 101 | 42 |
| Mupirocin | 89 | 74 |
| Fluticasone Propionate | 72 | 33 |
| Methylprednisolone | 40 | 37 |
| Triazolam | 33 | 33 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 30 | 25 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$736 across 19 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-04-20
- Last updated
- 2020-07-02
- Certified
- 2020-07-02
Frequently asked questions
- What is Nathan Eivaz's NPI number?
- Nathan Eivaz's National Provider Identifier (NPI) is 1871980672, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Eivaz's specialty?
- Nathan Eivaz is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan Eivaz located?
- Nathan Eivaz's practice location on file with NPPES is 5323 Harry Hines Blvd, Dallas, TX 75390-7201.
- What is Nathan Eivaz's phone number?
- The practice phone number listed in the NPPES registry for Nathan Eivaz is (214) 590-8000.
- Does Nathan Eivaz accept Medicare?
- Nathan Eivaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Eivaz's NPI active?
- Yes — Nathan Eivaz's NPI (1871980672) is active in the NPPES registry as of the last update on 2020-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.