Mary Lee Grigson, APNP
Nurse Practitioner · Madison, WI
Mary Lee Grigson, APNP is a nurse practitioner with a practice address in Madison, Wisconsin, and NPI 1164126181, issued on Mar 27, 2023. Check the license (Wisconsin 13731, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Lee Grigson
- Credential
- APNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 13731 WI
13731-33 WI
Self-reported in NPPES; status is on the state search - Practice location
- 600 Highland Ave, Madison, WI 53792
- Phone
- (608) 263-7502
- Enumerated
- Mar 27, 2023
- Record last updated
- Jun 13, 2024
- Medicare enrollment
- Enrolled (PECOS I20230822001846); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 600 Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Daniel Abbott, MDSurgical Oncology Physician1750412615
- Alaa Abd-ElsayedPain Medicine Physician1194967703
- Safiyya Abdulkadir, MDRheumatology Physician1093455826
- Edwin Abel, M.D.Urology Physician1083800510
Verify Mary Lee Grigson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 13731Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average nurse practitioner in 2024
253 Medicare Part D claims for 67 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 20 claims were for opioids.
Most prescribed
- Baclofen18 claims
- Metformin Hcl Er14 claims
- Lorazepam11 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.
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).
516 nurse practitioner records list a practice address in Madison
They are 516 of the 15,014 NPPES records with a practice address in Madison, and 3,995 nurse practitioner records in Wisconsin.
All 516 in Madison → All 3,995 in Wisconsin → Every provider in Madison →
Other nurse practitioner records in Wisconsin
- Caroline Aaberg, APNPMadison, WI1881384394
- Joyce Abbott, APNPOshkosh, WI1003824665
- Mohamed Abdelazim, APNPAppleton, WI1760266696
- Jacklyn Abel, AGACNP-BCMauston, WI1104631506
- Henrietta Abili, APNPGermantown, WI1174859524
- Jade Abts, NPGreen Bay, WI1992293708
- Karalyn Adam, DNP, RNMarshfield, WI1780933051
- Carol Adamczyk, MSNWauwatosa, WI1457502395
- Amanda Adams, NPMadison, WI1023366598
- Bernadette Adams, FNPWestby, WI1427047620
Common questions
What is Mary Lee Grigson, APNP's NPI number?
Mary Lee Grigson, APNP's National Provider Identifier (NPI) is 1164126181, issued on Mar 27, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Mary Lee Grigson, APNP located?
The NPPES record lists a practice address at 600 Highland Ave, Madison, WI, 53792. Phone: (608) 263-7502. Providers update this record themselves, so call before visiting.
How can I verify Mary Lee Grigson, APNP's license?
NPPES lists Wisconsin license number 13731, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Lee Grigson, APNP prescribe under Medicare Part D?
In 2024, Mary Lee Grigson, APNP had 253 Medicare Part D claims for 67 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.