Grant P. Sinson, MD
Neurological Surgery Physician · Milwaukee, WI
Grant P. Sinson, MD is a neurological surgery physician with a practice address in Milwaukee, Wisconsin, and NPI 1952352437, issued on May 12, 2006. Check the license (Wisconsin 44102, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Grant P. Sinson
- Credential
- MD
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License number
- 44102 WI
Self-reported in NPPES; status is on the state search - Practice location
- 9200 W Wisconsin Ave, Milwaukee, WI 53226
- Phone
- (414) 805-5400
- Enumerated
- May 12, 2006
- Record last updated
- Aug 29, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (414) 955-0115
- Medicaid ID
- 1952352437 WI
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 176 in Wisconsin → Look up another NPI →
Also registered at 9200 W Wisconsin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Grant P. Sinson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 44102Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 80.5 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).
Grant P. Sinson among 176 neurological surgery physician records in Wisconsin
Grant P. Sinson, MD is one of 176 neurological surgery physician records with a practice address in Wisconsin. 74% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 51% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2014 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in Wisconsin
There are 176 neurological surgery physician records in Wisconsin.
All 176 in Wisconsin → Every provider in Milwaukee → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- Jamie Baisden, MDMilwaukee, WI 532261811948334
- Joseph Cusick, MDMilwaukee, WI 532261285685347
- Thomas Gennarelli, MDMilwaukee, WI 532261891746756
- James Hollowell, MDWauwatosa, WI 532261609858869
- Bruce Kaufman, MDMilwaukee, WI 532261427009265
- Shekar Kurpad, MDMilwaukee, WI 532261033160874
- Dennis Maiman, MDMilwaukee, WI 532261265483010
- Joshua Medow, M.D.Milwaukee, WI 532261023073400
Common questions
What is Grant P. Sinson, MD's NPI number?
Grant P. Sinson, MD's National Provider Identifier (NPI) is 1952352437, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Grant P. Sinson, MD located?
The NPPES record lists a practice address at 9200 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 805-5400. Providers update this record themselves, so call before visiting.
How can I verify Grant P. Sinson, MD's license?
NPPES lists Wisconsin license number 44102, 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.
What is Grant P. Sinson, MD's MIPS final score?
The 2023 MIPS final score is 80.5 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.