Jan Z. Ciejka, MD
Rheumatology Physician · Wausau, WI
Jan Z. Ciejka, MD is a rheumatology physician with a practice address in Wausau, Wisconsin, and NPI 1124015557, issued on Sep 30, 2005. Check the license on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Jan Z. Ciejka
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 4301075501 MI
Self-reported in NPPES; status is on the state search - Practice location
- 2720 Plaza Dr Ste 1400A, Wausau, WI 54401
- Phone
- (715) 847-0426
- Enumerated
- Sep 30, 2005
- Record last updated
- Feb 16, 2023
- Fax
- (715) 847-0478
- Medicaid ID
- 4321954 MI
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 154 in Wisconsin → Look up another NPI →
Verify Jan Z. Ciejka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average rheumatology physician in 2024
1,357 Medicare Part D claims for 326 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 28 claims were for opioids.
Most prescribed
- Prednisone233 claims
- Methotrexate219 claims
- Hydroxychloroquine Sulfate175 claims
- Leflunomide66 claims
- Meloxicam62 claims
- Celecoxib53 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 practice group's MIPS final score for 2023 (Medicare payment program): 83.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Jan Z. Ciejka among 154 rheumatology physician records in Wisconsin
Jan Z. Ciejka, MD is one of 154 rheumatology physician records with a practice address in Wisconsin. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Wisconsin
There are 154 rheumatology physician records in Wisconsin.
All 154 in Wisconsin → Every provider in Wausau → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Vera Bocoun, MDWausau, WI 544011235233560
- Arti Khurana, MDWausau, WI 544011124228499
- Rohit Thomas-Kuruvilla, MDWausau, WI 544011841635497
- Thomas Bartow, MDMarshfield, WI 544491598865909
- David Bjarnason, MDMarshfield, WI 544491417027699
- Lisa Francis, MDMarshfield, WI 544491891958435
- Jerry Goldberg, MDMarshfield, WI 544491487754800
- Gauri Pethe, MDMarshfield, WI 544491497232375
Common questions
What is Jan Z. Ciejka, MD's NPI number?
Jan Z. Ciejka, MD's National Provider Identifier (NPI) is 1124015557, issued on Sep 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jan Z. Ciejka, MD located?
The NPPES record lists a practice address at 2720 Plaza Dr Ste 1400A, Wausau, WI, 54401. Phone: (715) 847-0426. Providers update this record themselves, so call before visiting.
How can I verify Jan Z. Ciejka, MD's license?
Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jan Z. Ciejka, MD prescribe under Medicare Part D?
In 2024, Jan Z. Ciejka, MD had 1,357 Medicare Part D claims for 326 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Jan Z. Ciejka, MD's MIPS final score?
The 2023 MIPS final score is 83.7 of 100, reported for the practice group. 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.