Douglas Gregory Olk, M.D.
Pediatrics Physician · Madison, WI
Douglas Gregory Olk, M.D. is a pediatrics physician with a practice address in Madison, Wisconsin, and NPI 1710939780, issued on May 17, 2006. Check the license (Wisconsin 26446-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Douglas Gregory Olk
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License numbers
- 26446-20 WI
26446 WI
26887 IA
Self-reported in NPPES; status is on the state search - Practice location
- 2402 Winnebago St, Madison, WI 53704
- Phone
- (608) 242-6855
- Enumerated
- May 17, 2006
- Record last updated
- May 26, 2023
- Medicaid ID
- 0052860 IA
- Medicare enrollment
- Enrolled (PECOS I20230213000938); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1983
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 1,203 in Wisconsin → Look up another NPI →
Also registered at 2402 Winnebago St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Adams, APNPNurse Practitioner1851024285
- Jonathan Anderson, M.D.Internal Medicine Physician1568696342
- Kortney Anderson, PA-CMedical Physician Assistant1154844488
- Kimberly Bannon, M.D.Obstetrics & Gynecology Physician1447549829
- Anna Bedford, LCSWClinical Social Worker1467277004
- Mahnaz Behdad, M.DFamily Medicine Physician1760861553
Verify Douglas Gregory Olk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 26446-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average pediatrics physician in 2024
15 Medicare Part D claims, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D.
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): 77.4 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
- University OF Wisconsin Medical Foundation IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Douglas Gregory Olk among 1,203 pediatrics physician records in Wisconsin
Douglas Gregory Olk, M.D. is one of 1,203 pediatrics physician records with a practice address in Wisconsin. 20% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 49% newer
- In a Medicare fileYes · 20% of these records are
- In the CMS Doctors and Clinicians fileYes · 12% of these records are
- Graduated1983 · median 2012 among the 142 with a school on file
- Record last updated2023 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatrics Physician providers in Wisconsin
There are 1,203 pediatrics physician records in Wisconsin.
All 1,203 in Wisconsin → Every provider in Madison → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Deirdre Burns, MDMadison, WI 537041336117704
- Julia Clemens, MDMadison, WI 537041376284653
- Patricia Deffner-ValleyMadison, WI 537041063480895
- Cristina Delgadillo, M.D.Madison, WI 537041023212073
- Laura Dos Reis, MDMadison, WI 537041548899149
- Kim Kantor, MDMadison, WI 537041700852795
- Sharwin Khot, MDMadison, WI 537041053930230
- Kelsey Legro, DOMadison, WI 537041275191868
Common questions
What is Douglas Gregory Olk, M.D.'s NPI number?
Douglas Gregory Olk, M.D.'s National Provider Identifier (NPI) is 1710939780, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Gregory Olk, M.D. located?
The NPPES record lists a practice address at 2402 Winnebago St, Madison, WI, 53704. Phone: (608) 242-6855. Providers update this record themselves, so call before visiting.
How can I verify Douglas Gregory Olk, M.D.'s license?
NPPES lists Wisconsin license number 26446-20, 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 Douglas Gregory Olk, M.D. prescribe under Medicare Part D?
In 2024, Douglas Gregory Olk, M.D. had 15 Medicare Part D claims; the average among pediatrics physician prescribers was 375. Part D covers Medicare prescriptions only.
What is Douglas Gregory Olk, M.D.'s MIPS final score?
The 2023 MIPS final score is 77.4 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.