Ronald Stiller, MD
NPI 1154396109 · Pulmonary Disease Physician · Walla Walla, WA
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Stiller, MD is a Pulmonary Disease Physician provider in Walla Walla, WA (NPI 1154396109).
Provider details
- NPI number
- 1154396109
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD029256E (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
605 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 242 | $77 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 150 | $115 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 118 | $111 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 67 | $48 |
| Critical Care, First 30-74 Minutes99291 | 28 | $206 |
Typical Medicare-allowed amounts for these services range $48–$206 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 37 | 20 |
| Atorvastatin Calcium | 31 | 14 |
| Cefdinir | 17 | 16 |
| Lisinopril | 17 | — |
| Potassium Chloride | 16 | — |
| Gabapentin | 15 | — |
| Prednisone | 15 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$271 across 2 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
Additional practice locations (1)
- 1116 Lancaster AvePittsburgh, PA 15218-1013Phone: (412) 334-7949
Registry dates
- Enumerated
- 2006-02-22
- Last updated
- 2024-05-31
- Certified
- 2024-05-31
Frequently asked questions
- What is Ronald Stiller's NPI number?
- Ronald Stiller's National Provider Identifier (NPI) is 1154396109, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Stiller's specialty?
- Ronald Stiller is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Stiller located?
- Ronald Stiller's practice location on file with NPPES is 401 W Poplar St, Walla Walla, WA 99362-2846.
- What is Ronald Stiller's phone number?
- The practice phone number listed in the NPPES registry for Ronald Stiller is (095) 897-3320.
- Does Ronald Stiller accept Medicare?
- Ronald Stiller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald Stiller's NPI active?
- Yes — Ronald Stiller's NPI (1154396109) is active in the NPPES registry as of the last update on 2024-05-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.