Natasza Maria Posielski, M.D.
Urology Physician · Tacoma, WA
Natasza Maria Posielski, M.D. is a urology physician with a practice address in Tacoma, Washington, and NPI 1477940518, issued on Apr 15, 2015. Check the license (Washington MD61044107, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Natasza Maria Posielski
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License numbers
- MD61044107 WA
66455 WI
Self-reported in NPPES; status is on the state search - Practice location
- 209 Martin Luther King JR Way, Tacoma, WA 98405
- Phone
- (253) 596-3300
- Enumerated
- Apr 15, 2015
- Record last updated
- Oct 28, 2022
- Fax
- (253) 596-3301
- Medicare enrollment
- Enrolled (PECOS I20200629000899); accepts Medicare assignment
- Medical or professional school
- Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest urology physician records → All 335 in Washington → Look up another NPI →
Also registered at 209 Martin Luther King JR Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Natasza Maria Posielski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD61044107Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average urology physician in 2024
557 Medicare Part D claims for 179 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 50 claims were for opioids.
Most prescribed
- Tamsulosin Hcl178 claims
- Cephalexin73 claims
- Oxycodone Hcl47 claims
- Ciprofloxacin Hcl41 claims
- Finasteride40 claims
- Trospium Chloride39 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 WashingtonTacoma, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Natasza Maria Posielski among 335 urology physician records in Washington
Natasza Maria Posielski, M.D. is one of 335 urology 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 2015, is newer than 82% of them.
- NPI issued2015 · 82% of these records are older, 16% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2015 · median 2005 among the 224 with a school on file
- Record last updated2022 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in Washington
There are 335 urology physician records in Washington.
All 335 in Washington → Every provider in Tacoma → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- William Dean, M.D.Tacoma, WA 984051114943123
- Michael Deberardinis, MDTacoma, WA 984051073618419
- Robert Finnerty, M.D.Tacoma, WA 984051235124793
- Christopher Harris, M.D.Tacoma, WA 984051740345180
- Craig Iriye, M.D.Tacoma, WA 984051558420596
- Richard Johnston, MDTacoma, WA 984051477839066
- Victor Kiesling, MDTacoma, WA 984051740362136
- Francis Kim, M.D.Tacoma, WA 984051215070297
Common questions
What is Natasza Maria Posielski, M.D.'s NPI number?
Natasza Maria Posielski, M.D.'s National Provider Identifier (NPI) is 1477940518, issued on Apr 15, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Natasza Maria Posielski, M.D. located?
The NPPES record lists a practice address at 209 Martin Luther King JR Way, Tacoma, WA, 98405. Phone: (253) 596-3300. Providers update this record themselves, so call before visiting.
How can I verify Natasza Maria Posielski, M.D.'s license?
NPPES lists Washington license number MD61044107, 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 Natasza Maria Posielski, M.D. prescribe under Medicare Part D?
In 2024, Natasza Maria Posielski, M.D. had 557 Medicare Part D claims for 179 beneficiaries; the average among urology physician prescribers was 1,340. 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.