Mary Kay Williams, NURSE PRACTITIONER
Nurse Practitioner · Traverse City, MI
Mary Kay Williams, NURSE PRACTITIONER is a nurse practitioner with a practice address in Traverse City, Michigan, and NPI 1366461121, issued on Jul 19, 2006. Check the license (Michigan 4704123296, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Kay Williams
- Credential
- NURSE PRACTITIONER
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 4704123296 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1221 Sixth St Ste 306, Traverse City, MI 49684
- Phone
- (231) 935-2400
- Enumerated
- Jul 19, 2006
- Record last updated
- Dec 31, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (231) 392-2424
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,574 in Michigan → Look up another NPI →
Also registered at 1221 Sixth St Ste 306
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brittnee Keyes, FNPFamily Nurse Practitioner1700374378
Verify Mary Kay Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 4704123296Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average nurse practitioner in 2024
97 Medicare Part D claims for 74 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
Most prescribed
- Tramadol Hcl13 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): 100 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).
Mary Kay Williams among 3,574 nurse practitioner records in Michigan
Mary Kay Williams, NURSE PRACTITIONER is one of 3,574 nurse practitioner records with a practice address in Michigan. 71% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 84% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 56% of these records are
- Record last updated2020 · 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 363L00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
64 nurse practitioner records list a practice address in Traverse City
They are 64 of the 3,536 NPPES records with a practice address in Traverse City, and 3,574 nurse practitioner records in Michigan.
All 3,574 in Michigan → Every provider in Traverse City → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Harriet Barner, NPTraverse City, MI 496841003809351
- Catherine Carter, RN MS CPNPTraverse City, MI 496841336258953
- Sue Dunham, FNPTraverse City, MI 496841427068790
- Toni Gaultier, N.P.Traverse City, MI 496841467445619
- Nancy Harris, NPTraverse City, MI 496841326157686
- Patricia Hoban, NPTraverse City, MI 496841962450379
- Carolynn Kellogg, N.P.Traverse City, MI 496841083638886
- Jane Smallwood, N.P.Traverse City, MI 496841992790554
Common questions
What is Mary Kay Williams, NURSE PRACTITIONER's NPI number?
Mary Kay Williams, NURSE PRACTITIONER's National Provider Identifier (NPI) is 1366461121, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Kay Williams, NURSE PRACTITIONER located?
The NPPES record lists a practice address at 1221 Sixth St Ste 306, Traverse City, MI, 49684. Phone: (231) 935-2400. Providers update this record themselves, so call before visiting.
How can I verify Mary Kay Williams, NURSE PRACTITIONER's license?
NPPES lists Michigan license number 4704123296, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Kay Williams, NURSE PRACTITIONER prescribe under Medicare Part D?
In 2024, Mary Kay Williams, NURSE PRACTITIONER had 97 Medicare Part D claims for 74 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Mary Kay Williams, NURSE PRACTITIONER's MIPS final score?
The 2023 MIPS final score is 100 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.