Rachel Oosterbaan-Panarese, M.D.
Internal Medicine Physician · Mequon, WI
Rachel Oosterbaan-Panarese, M.D. is an internal medicine physician with a practice address in Mequon, Wisconsin, and NPI 1588690986, issued on Jun 25, 2006. Check the license (Wisconsin 64905, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Rachel Oosterbaan-Panarese
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 64905 WI
Self-reported in NPPES; status is on the state search - Practice location
- 13133 N Port Washington RD, Mequon, WI 53097
- Phone
- (262) 243-5000
- Enumerated
- Jun 25, 2006
- Record last updated
- Nov 9, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (262) 243-5317
- Medicaid ID
- 1588690986 WI
- Medicare enrollment
- Enrolled (PECOS I20160503001452); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 13133 N Port Washington RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kevin Gee, MDUrology Physician1710975289
Verify Rachel Oosterbaan-Panarese in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 64905Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average internal medicine physician in 2024
6,526 Medicare Part D claims for 403 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. 47 claims were for opioids.
Most prescribed
- Amlodipine Besylate416 claims
- Losartan Potassium413 claims
- Levothyroxine Sodium323 claims
- Atorvastatin Calcium288 claims
- Olmesartan Medoxomil257 claims
- Trazodone Hcl211 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): 81.5 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).
Bills Medicare through one group practice
- Madison Medical Affiliates IncMequon, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rachel Oosterbaan-Panarese among 2,078 internal medicine physician records in Wisconsin
Rachel Oosterbaan-Panarese, M.D. is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 46% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1995 · median 2002 among the 1,098 with a school on file
- Record last updated2016 · 55% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 internal medicine physician records list a practice address in Mequon
They are 25 of the 1,048 NPPES records with a practice address in Mequon, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Mequon → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Deidre Faust, MDMequon, WI 530971154372092
- David Goldberg, MDMequon, WI 530971285792127
- Scott Jorgensen, M.D.Mequon, WI 530971184654725
- David Lucke, M.D.Mequon, WI 530971477580686
- George Munkwitz, M.D.Mequon, WI 530971073750238
- John Sanidas, M.D.Mequon, WI 530971356388359
- Enid Trotman, MDMequon, WI 530971174602619
- Alan Detwiler, MDWatertown, WI 530981871597211
Common questions
What is Rachel Oosterbaan-Panarese, M.D.'s NPI number?
Rachel Oosterbaan-Panarese, M.D.'s National Provider Identifier (NPI) is 1588690986, issued on Jun 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Rachel Oosterbaan-Panarese, M.D. located?
The NPPES record lists a practice address at 13133 N Port Washington RD, Mequon, WI, 53097. Phone: (262) 243-5000. Providers update this record themselves, so call before visiting.
How can I verify Rachel Oosterbaan-Panarese, M.D.'s license?
NPPES lists Wisconsin license number 64905, as entered by the provider. 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 Rachel Oosterbaan-Panarese, M.D. prescribe under Medicare Part D?
In 2024, Rachel Oosterbaan-Panarese, M.D. had 6,526 Medicare Part D claims for 403 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Rachel Oosterbaan-Panarese, M.D.'s MIPS final score?
The 2023 MIPS final score is 81.5 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.