Ernest James Kahn, D.O.
NPI 1730475955 · Internal Medicine Physician · Austin, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ernest James Kahn, D.O. is a Internal Medicine Physician provider in Austin, TX (NPI 1730475955).
Provider details
- NPI number
- 1730475955
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 13366 (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
14 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
846 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) |
|---|---|---|
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 170 | $111 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 161 | $115 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 77 | $168 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 69 | $76 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 44 | $126 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 131 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 315 | 46 |
| Amlodipine Besylate | 271 | 42 |
| Lisinopril | 190 | 22 |
| Tamsulosin Hcl | 178 | 29 |
| Divalproex Sodium | 176 | 16 |
| Gabapentin | 172 | 22 |
| Trazodone Hcl | 159 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$268 across 13 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
- 2011-06-27
- Last updated
- 2017-01-24
Frequently asked questions
- What is Ernest James Kahn's NPI number?
- Ernest James Kahn's National Provider Identifier (NPI) is 1730475955, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ernest James Kahn's specialty?
- Ernest James Kahn is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ernest James Kahn located?
- Ernest James Kahn's practice location on file with NPPES is 7000 N Mo Pac Expy, Austin, TX 78731-3027.
- What is Ernest James Kahn's phone number?
- The practice phone number listed in the NPPES registry for Ernest James Kahn is (512) 482-0045.
- Does Ernest James Kahn accept Medicare?
- Ernest James Kahn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ernest James Kahn's NPI active?
- Yes — Ernest James Kahn's NPI (1730475955) is active in the NPPES registry as of the last update on 2017-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.