Robert Nason, M.D.
NPI 1538370309 · Otolaryngology Physician · Austin, TX
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Nason, M.D. is a Otolaryngology Physician provider in Austin, TX (NPI 1538370309).
Provider details
- NPI number
- 1538370309
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A 121444 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
686 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 | 254 | $85 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 132 | $104 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 71 | $120 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 59 | $155 |
| Diagnostic Exam of Voice Box Using a Flexible Endoscope31575 | 49 | $121 |
| Diagnostic Exam of Nasal Passages Using an Endoscope31231 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 34 | — |
| Ipratropium Bromide | 33 | 19 |
| Pantoprazole Sodium | 28 | 13 |
| Triamterene/Hydrochlorothiazidbrand: Triamterene-Hydrochlorothiazid | 24 | — |
| Azelastine Hcl | 23 | — |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 19 | 19 |
| Hydrocodone/Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,061 across 40 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
- 2007-05-24
- Last updated
- 2014-07-09
Frequently asked questions
- What is Robert Nason's NPI number?
- Robert Nason's National Provider Identifier (NPI) is 1538370309, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Nason's specialty?
- Robert Nason is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Nason located?
- Robert Nason's practice location on file with NPPES is 720 W 34th St, Austin, TX 78705-1205.
- What is Robert Nason's phone number?
- The practice phone number listed in the NPPES registry for Robert Nason is (512) 346-7600.
- Does Robert Nason accept Medicare?
- Robert Nason is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Nason's NPI active?
- Yes — Robert Nason's NPI (1538370309) is active in the NPPES registry as of the last update on 2014-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.