Siddhartha G. Kapnadak, M.D.
Pulmonary Disease Physician · Seattle, WA
Siddhartha G. Kapnadak, M.D. is a pulmonary disease physician with a practice address in Seattle, Washington, and NPI 1043415292, issued on Jun 18, 2007. Check the license (Washington MD60436659, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Siddhartha G. Kapnadak
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- MD60436659 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1959 NE Pacific St, Seattle, WA 98195
- Phone
- (206) 598-4615
- Enumerated
- Jun 18, 2007
- Record last updated
- Aug 21, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicaid ID
- 1043415292 WA
- Medicare enrollment
- Enrolled (PECOS I20140604002755); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 2007
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 324 in Washington → Look up another NPI →
Also registered at 1959 NE Pacific St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Benjamin AaronsonPsychologist1497108880
- Laith Abandeh, MDPediatric Radiology Physician1609404243
- Rebecca AbayInternal Medicine Physician1528565520
- Gifti Abbo, MDStudent in an Organized Health Care Education/Training Program1316688989
- Nandini AbburiNeurology Physician1730618349
- Mohamed AbdelmotlebDiagnostic Radiology Physician1134892656
Verify Siddhartha G. Kapnadak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60436659Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
1,282 Medicare Part D claims for 135 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Azithromycin184 claims
- Tacrolimus143 claims
- Prednisone137 claims
- Sulfamethoxazole-Trimethoprim134 claims
- Lactated Ringers54 claims
- Trikafta52 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 83.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- The Association OF University PhysiciansSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Siddhartha G. Kapnadak among 324 pulmonary disease physician records in Washington
Siddhartha G. Kapnadak, M.D. is one of 324 pulmonary disease physician records with a practice address in Washington. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 37% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2007 · median 2003 among the 229 with a school on file
- Record last updated2014 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in Washington
There are 324 pulmonary disease physician records in Washington.
All 324 in Washington → Every provider in Seattle → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Ajai Dandekar, MDSeattle, WA 981951669587366
- Laura Feemster, MDSeattle, WA 981951467556985
- Sina Gharib, M.D.Seattle, WA 981951649217621
- Patricia Kritek, M.D.Seattle, WA 981951043283732
- Erin Kross, MDSeattle, WA 981951255443230
- David MadtesSeattle, WA 981951912097874
- Anne Manicone, M.D.Seattle, WA 981951063450179
- Barry Plant, MDSeattle, WA 981951689788036
Common questions
What is Siddhartha G. Kapnadak, M.D.'s NPI number?
Siddhartha G. Kapnadak, M.D.'s National Provider Identifier (NPI) is 1043415292, issued on Jun 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Siddhartha G. Kapnadak, M.D. located?
The NPPES record lists a practice address at 1959 NE Pacific St, Seattle, WA, 98195. Phone: (206) 598-4615. Providers update this record themselves, so call before visiting.
How can I verify Siddhartha G. Kapnadak, M.D.'s license?
NPPES lists Washington license number MD60436659, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Siddhartha G. Kapnadak, M.D. prescribe under Medicare Part D?
In 2024, Siddhartha G. Kapnadak, M.D. had 1,282 Medicare Part D claims for 135 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
What is Siddhartha G. Kapnadak, M.D.'s MIPS final score?
The 2023 MIPS final score is 83.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.