NPPES file of Aug 9, 2026

Marc A. Olsen, MD

Family Medicine Physician · Whitefish Bay, WI

Marc A. Olsen, MD is a family medicine physician with a practice address in Whitefish Bay, Wisconsin, and NPI 1952333148, issued on Jul 7, 2006. Check the license (Wisconsin 21628, as entered in NPPES) on the Wisconsin Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952333148
Name
Marc A. Olsen
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
21628 WI
Self-reported in NPPES; status is on the state search
Practice location
325 E Silver Spring Dr, Whitefish Bay, WI 53217
Phone
(414) 247-4800
Enumerated
Jul 7, 2006
Record last updated
Dec 28, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(414) 247-4801
Medicaid ID
30474500 WI
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 325 E Silver Spring Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kaitlin Bell, PAPhysician Assistant1447634761
  2. Morgan Erickson, MDFamily Medicine Physician1598414377
  3. Elle Fisch, MDObstetrics & Gynecology Physician1528420064
  4. Caroline Frymark, M.D.Pediatrics Physician1093177248
  5. Steven Heyden, MDFamily Medicine Physician1184655680
  6. Ashley Holdridge, D.O.Neurology Physician1790003549

Verify Marc A. Olsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 21628
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Marc A. Olsen among 3,765 family medicine physician records in Wisconsin

Marc A. Olsen, MD is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 46% newer
  • In a Medicare fileNo · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2010 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 family medicine physician records list a practice address in Whitefish Bay

They are 7 of the 126 NPPES records with a practice address in Whitefish Bay, and 3,765 family medicine physician records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 family medicine physician records with the nearest ZIP codes

  1. Bonnie Berger-Durnbaugh, M.D.Milwaukee, WI 532171477882041
  2. Morgan Erickson, MDWhitefish Bay, WI 532171598414377
  3. Steven Heyden, MDWhitefish Bay, WI 532171184655680
  4. Stephen Hughes, M.D.Fox Point, WI 532171629041611
  5. Claire Inda, MDWhitefish Bay, WI 532171871172098
  6. John Kim, DOWhitefish Bay, WI 532171861070518
  7. Tiffany Mullen, DOWhitefish Bay, WI 532171760599187
  8. Karina Peterson, MDMilwaukee, WI 532171750322590

Common questions

What is Marc A. Olsen, MD's NPI number?

Marc A. Olsen, MD's National Provider Identifier (NPI) is 1952333148, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marc A. Olsen, MD located?

The NPPES record lists a practice address at 325 E Silver Spring Dr, Whitefish Bay, WI, 53217. Phone: (414) 247-4800. Providers update this record themselves, so call before visiting.

How can I verify Marc A. Olsen, MD's license?

NPPES lists Wisconsin license number 21628, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.