Catherine Benziger, M.D.
Internal Medicine Physician · Seattle, WA
Catherine Benziger, M.D. is an internal medicine physician with a practice address in Seattle, Washington, and NPI 1518266394, issued on Mar 20, 2011. Check the license (Washington MD60391079, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Catherine Benziger
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD60391079 WA
Self-reported in NPPES; status is on the state search - Practice location
- 206 3RD Ave S, Seattle, WA 98104
- Phone
- (206) 744-1599
- Enumerated
- Mar 20, 2011
- Entity
- Type 1 · individual
Also registered at 206 3RD Ave S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Genevieve AmelingClinical Social Worker1548757982
- Maria Busch, MDInternal Medicine Physician1184844219
- Jacqueline Garces, PHARM.D.Pharmacotherapy Pharmacist1093816290
- Scott Johnson, CPHTPharmacy Technician1376874230
- Shaun Klein, RNRegistered Nurse1467323014
- Eve LakeInternal Medicine Physician1932542883
Verify Catherine Benziger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60391079Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
4% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,670 Medicare Part D claims for 424 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Atorvastatin Calcium255 claims
- Metoprolol Succinate230 claims
- Ezetimibe175 claims
- Jardiance157 claims
- Eliquis143 claims
- Rosuvastatin Calcium143 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.
Industry payments in 2024: $3,199.21
5 payments, mostly food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospital and facility affiliations
- St Marys Hospital OF SuperiorHayward, WI
- St Marys Medical CenterDuluth, MN
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
1,317 internal medicine physician records list a Seattle practice address
They are 1,317 of the 41,956 NPPES records with a Seattle practice address, and 3,888 internal medicine physician records in Washington.
All 1,317 in Seattle → All 3,888 in Washington → Every provider in Seattle →
Other internal medicine physician records in Washington
- Sheida Aalami, M.D.Seattle, WA1730573296
- Barry Aaronson, MDSeattle, WA1952418345
- Gloria AbacanProsser, WA1316040298
- Rebecca AbaySeattle, WA1528565520
- Naseer Abbas, MDTacoma, WA1962769380
- Joel Abbott, D.O.Tacoma, WA1477752723
- Jesse Abbott Klafter, M.D.Renton, WA1225394935
- Paul Abdallah, MDSeattle, WA1639166119
- Abir Abdel-Kader, MDRichland, WA1649407081
- Hussein Abdille, MDSeattle, WA1588368831
Common questions
What is Catherine Benziger, M.D.'s NPI number?
Catherine Benziger, M.D.'s National Provider Identifier (NPI) is 1518266394, issued on Mar 20, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Benziger, M.D. located?
The NPPES record lists a practice address at 206 3RD Ave S, Seattle, WA, 98104. Phone: (206) 744-1599. Providers update this record themselves, so call before visiting.
How can I verify Catherine Benziger, M.D.'s license?
NPPES lists Washington license number MD60391079, 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 Catherine Benziger, M.D. prescribe under Medicare Part D?
In 2024, Catherine Benziger, M.D. had 2,670 Medicare Part D claims for 424 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.