David Panossian, MD
NPI 1366504532 · Sleep Medicine (Internal Medicine) Physician · Klamath Falls, OR
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Panossian, MD is a Sleep Medicine (Internal Medicine) Physician provider in Klamath Falls, OR (NPI 1366504532).
Provider details
- NPI number
- 1366504532
- Entity type
- Individual
- Primary specialty
- Sleep Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD19424 (OR)
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 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
2,071 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 284 | $122 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 269 | $8 |
| Test to Determine Lung Volumes Using Sensors94726 | 238 | $11 |
| Test to Measure Expiratory Airflow and Volume Changes Before and After Medication Administration94060 | 210 | $10 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 147 | $87 |
| Test to Measure Expiratory Airflow and Volume Changes Before and After Medication Administration94060 | 140 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 198 | 42 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 157 | 71 |
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta | 118 | 30 |
| Azithromycin | 118 | 48 |
| Prednisone | 96 | 51 |
| Fluticasone Propion/Salmeterolbrand: Fluticasone-Salmeterol | 87 | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$134 across 5 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
- 2006-12-14
- Last updated
- 2025-06-24
- Certified
- 2025-06-24
Frequently asked questions
- What is David Panossian's NPI number?
- David Panossian's National Provider Identifier (NPI) is 1366504532, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Panossian's specialty?
- David Panossian is listed in the NPPES registry with a primary specialty of Sleep Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is David Panossian located?
- David Panossian's practice location on file with NPPES is 2614 Almond St, Klamath Falls, OR 97601-1117.
- What is David Panossian's phone number?
- The practice phone number listed in the NPPES registry for David Panossian is (541) 885-2201.
- Does David Panossian accept Medicare?
- David Panossian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Panossian's NPI active?
- Yes — David Panossian's NPI (1366504532) is active in the NPPES registry as of the last update on 2025-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.