Mary Jo Rolfes-Lo, M.D.
Allergy & Immunology (Internal Medicine) Physician · Oak Creek, WI
Mary Jo Rolfes-Lo, M.D. is an allergy & immunology (internal medicine) physician with a practice address in Oak Creek, Wisconsin, and NPI 1508839838, issued on Feb 8, 2006. Check the license (Wisconsin 38588, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mary Jo Rolfes-Lo
- Credential
- M.D.
- Primary taxonomy
- Allergy & Immunology (Internal Medicine) Physician 207RA0201X
- License numbers
- 38588 WI
38588-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 200 E Ryan RD, Oak Creek, WI 53154
- Phone
- (414) 570-3590
- Enumerated
- Feb 8, 2006
- Record last updated
- May 7, 2025
- Medicaid ID
- 32347800 WI
- Medicare enrollment
- Enrolled (PECOS I20100706000548); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 1990
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 200 E Ryan RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Jo Rolfes-Lo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 38588Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average allergy & immunology (internal medicine) physician in 2024
421 Medicare Part D claims for 97 beneficiaries, against an average of 789 among the 429 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims.
Most prescribed
- Azelastine Hcl56 claims
- Fluticasone Propionate36 claims
- Breo Ellipta30 claims
- Trelegy Ellipta30 claims
- Famotidine29 claims
- Montelukast Sodium27 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: $77.53
1 payment: food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 321 providers of this specialty with any payment received $7,456.30 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.
Bills Medicare through 3 group practices
- Aurora Advanced Healthcare, Inc.Milwaukee, WI
- Aurora Medical Group, Inc.Milwaukee, WI
- Lakeshore Medical Clinic LLCOak Creek, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Allergy & Immunology (Internal Medicine) Physician providers in Wisconsin
There are 22 allergy & immunology (internal medicine) physician records in Wisconsin.
Other allergy & immunology (internal medicine) physician records in Wisconsin
- Ashvini BiswasKenosha, WI1154616795
- William Busse, MDMadison, WI1881661486
- Nana Sarkoah Fenny, M.D.Green Bay, WI1689998262
- Kelsey Finkel, MDMilwaukee, WI1346701505
- Reena George, MDThiensville, WI1568542140
- Anita Gheller-Rigoni, DOOshkosh, WI1073543096
- Lilian Gonzalez, M.D.Menomonee Falls, WI1417332016
- Lakshmi Gopalakrishnan Nair, MDGreen Bay, WI1124636881
- Mark Hermanoff, MDSummit, WI1447309786
- Sujani Kakumanu, M.D.Madison, WI1568413839
Common questions
What is Mary Jo Rolfes-Lo, M.D.'s NPI number?
Mary Jo Rolfes-Lo, M.D.'s National Provider Identifier (NPI) is 1508839838, issued on Feb 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Jo Rolfes-Lo, M.D. located?
The NPPES record lists a practice address at 200 E Ryan RD, Oak Creek, WI, 53154. Phone: (414) 570-3590. Providers update this record themselves, so call before visiting.
How can I verify Mary Jo Rolfes-Lo, M.D.'s license?
NPPES lists Wisconsin license number 38588, 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 Mary Jo Rolfes-Lo, M.D. prescribe under Medicare Part D?
In 2024, Mary Jo Rolfes-Lo, M.D. had 421 Medicare Part D claims for 97 beneficiaries; the average among allergy & immunology (internal medicine) physician prescribers was 789. 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.