Christopher Vanderwarker, MD
Internal Medicine Physician · Seattle, WA
Christopher Vanderwarker, MD is an internal medicine physician with a practice address in Seattle, Washington, and NPI 1720234750, issued on Aug 11, 2008. Check the license (Washington ML60019713, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Christopher Vanderwarker
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- ML60019713 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1660 S Columbian Way, Seattle, WA 98108
- Phone
- (206) 764-2551
- Enumerated
- Aug 11, 2008
- Record last updated
- Feb 3, 2025
- Fax
- (206) 764-2936
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 1660 S Columbian Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Abubakar Abdul-Rahman, NPPrimary Care Nurse Practitioner1689939001
- Sandra Abrahamson, ARNPAdult Health Nurse Practitioner1699735712
- McKenon Abreu, DPMStudent in an Organized Health Care Education/Training Program1104519461
- Jennifer Acselrod, RNRegistered Nurse1770753725
- Samantha Adams, OTR/LOccupational Therapist1750489704
- Rosemary Adamson, MB BSPulmonary Disease Physician1881853745
Verify Christopher Vanderwarker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license ML60019713Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
179 Medicare Part D claims for 11 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Atorvastatin Calcium14 claims
- Eliquis14 claims
- Tamsulosin Hcl13 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.
Christopher Vanderwarker among 3,079 internal medicine physician records in Washington
Christopher Vanderwarker, MD is one of 3,079 internal medicine physician records with a practice address in Washington. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 54% of them.
- NPI issued2008 · 54% of these records are older, 42% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
821 internal medicine physician records list a practice address in Seattle
They are 821 of the 41,956 NPPES records with a practice address in Seattle, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Seattle → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Douglas Berger, MDSeattle, WA 981081295748762
- Edward Boyko, M.D.Seattle, WA 981081831295401
- Paul Cornia, M.D.Seattle, WA 981081730291782
- Danielle Frank, M.D.Seattle, WA 981081518063213
- Sharon Gill, MDSeattle, WA 981081306956834
- Jan Hirschmann, MDSeattle, WA 981081770692402
- Kamala Jain, MDSeattle, WA 981081770680886
- Mehraneh Khalighi, MDSeattle, WA 981081710089693
Common questions
What is Christopher Vanderwarker, MD's NPI number?
Christopher Vanderwarker, MD's National Provider Identifier (NPI) is 1720234750, issued on Aug 11, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Vanderwarker, MD located?
The NPPES record lists a practice address at 1660 S Columbian Way, Seattle, WA, 98108. Phone: (206) 764-2551. Providers update this record themselves, so call before visiting.
How can I verify Christopher Vanderwarker, MD's license?
NPPES lists Washington license number ML60019713, 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 Christopher Vanderwarker, MD prescribe under Medicare Part D?
In 2024, Christopher Vanderwarker, MD had 179 Medicare Part D claims for 11 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.