Siddhartha Kapnadak, M.D.
NPI 1043415292 · Pulmonary Disease Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Siddhartha Kapnadak, M.D. is a Pulmonary Disease Physician provider in Seattle, WA (NPI 1043415292).
Provider details
- NPI number
- 1043415292
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD60436659 (WA)
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 tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
284 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 94 | $149 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 85 | $129 |
| Test to Measure Expiratory Airflow and Volume94010 | 61 | $9 |
| Irrigation and Suction of Lung Airways to Obtain Cells Using an Endoscope31624 | 16 | $41 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 14 | $106 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 184 | 48 |
| Tacrolimus | 143 | 36 |
| Prednisone | 137 | 37 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 134 | 40 |
| Ringer'S Solution,lactatedbrand: Lactated Ringers | 54 | — |
| Elexacaftor/Tezacaftor/Ivacaftbrand: Trikafta | 52 | — |
| Montelukast Sodium | 49 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-18
- Last updated
- 2014-08-21
Frequently asked questions
- What is Siddhartha Kapnadak's NPI number?
- Siddhartha Kapnadak's National Provider Identifier (NPI) is 1043415292, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siddhartha Kapnadak's specialty?
- Siddhartha Kapnadak is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Siddhartha Kapnadak located?
- Siddhartha Kapnadak's practice location on file with NPPES is 1959 Ne Pacific St, Seattle, WA 98195-0001.
- What is Siddhartha Kapnadak's phone number?
- The practice phone number listed in the NPPES registry for Siddhartha Kapnadak is (206) 598-4615.
- Does Siddhartha Kapnadak accept Medicare?
- Siddhartha Kapnadak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Siddhartha Kapnadak's NPI active?
- Yes — Siddhartha Kapnadak's NPI (1043415292) is active in the NPPES registry as of the last update on 2014-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.