Patsy C. Lazarous, MD
Internal Medicine Physician · Bellevue, WA
Patsy C. Lazarous, MD is an internal medicine physician with a practice address in Bellevue, Washington, and NPI 1013070473, issued on Dec 18, 2006. Check the license (Washington MD00042372, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Patsy C. Lazarous
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD00042372 WA
Self-reported in NPPES; status is on the state search - Practice location
- 11511 NE 10TH St, Bellevue, WA 98004
- Phone
- (425) 502-3000
- Enumerated
- Dec 18, 2006
- Record last updated
- Oct 25, 2023
- Fax
- (844) 620-1839
- Medicaid ID
- 8405656 WA
- Medicare enrollment
- Enrolled (PECOS I20040907000277); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 11511 NE 10TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Adrienne Anderson, LICSWClinical Social Worker1770142143
- Kate Andrews, P.A.Physician Assistant1295280782
- Aaron Apodaca, M.D.Hospitalist Physician1427115815
- Esther Argenyi, M.D.Diagnostic Radiology Physician1750425369
Verify Patsy C. Lazarous in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00042372Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,454 Medicare Part D claims for 243 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 14 claims were for opioids.
Most prescribed
- Atorvastatin Calcium144 claims
- Amlodipine Besylate96 claims
- Losartan Potassium63 claims
- Gabapentin43 claims
- Levothyroxine Sodium39 claims
- Lisinopril37 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.
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF WashingtonBellevue, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Patsy C. Lazarous among 3,079 internal medicine physician records in Washington
Patsy C. Lazarous, 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1994 · median 2006 among the 1,852 with a school on file
- Record last updated2023 · 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).
115 internal medicine physician records list a practice address in Bellevue
They are 115 of the 6,738 NPPES records with a practice address in Bellevue, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Bellevue → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- James Boswell, M.D.Bellevue, WA 980041558322115
- Renu Chawla, MDBellevue, WA 980041285634790
- Ryan Chew, M.D.Bellevue, WA 980041659333912
- Jill Enright, M.D.Bellevue, WA 980041740240340
- David Knoepfler, M.D.Bellevue, WA 980041164484119
- Dickson Lam, M.D.Bellevue, WA 980041659333649
- Shawn Lee, M.D.Bellevue, WA 980041093777096
- David Morton, M.D.Bellevue, WA 980041013978204
Common questions
What is Patsy C. Lazarous, MD's NPI number?
Patsy C. Lazarous, MD's National Provider Identifier (NPI) is 1013070473, issued on Dec 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Patsy C. Lazarous, MD located?
The NPPES record lists a practice address at 11511 NE 10TH St, Bellevue, WA, 98004. Phone: (425) 502-3000. Providers update this record themselves, so call before visiting.
How can I verify Patsy C. Lazarous, MD's license?
NPPES lists Washington license number MD00042372, 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 Patsy C. Lazarous, MD prescribe under Medicare Part D?
In 2024, Patsy C. Lazarous, MD had 1,454 Medicare Part D claims for 243 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.