Brian David Gradwohl, PHD
Clinical Neuropsychologist · Muskegon, MI
Brian David Gradwohl, PHD is a clinical neuropsychologist with a practice address in Muskegon, Michigan, and NPI 1457974784, issued on May 21, 2020. Check the license with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Brian David Gradwohl
- Credential
- PHD
- Primary taxonomy
- Clinical Neuropsychologist 103G00000X
- Practice location
- 1277 Mercy Dr, Muskegon, MI 49444
- Phone
- (231) 672-6568
- Enumerated
- May 21, 2020
- Record last updated
- Jan 13, 2022
- Medicare enrollment
- Enrolled (PECOS I20200619002322); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical neuropsychologist records → All 133 in Michigan → Look up another NPI →
Also registered at 1277 Mercy Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kelsi Drudy, PA-CMedical Physician Assistant1871067819
- Syed Husaini, M.DSleep Medicine (Family Medicine) Physician1386098804
- Conrad Kozlowski, MDSleep Medicine (Internal Medicine) Physician1710479399
- Barry Kram, D.O.Nephrology Physician1508863457
- Leah Martin, PA-CPhysician Assistant1063930550
- Bao-Min Twu, MDNephrology Physician1356342448
Verify Brian David Gradwohl in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this professionCheck 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): 94.5 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).
Bills Medicare through one group practice
- Mercy Specialty ServicesMuskegon, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian David Gradwohl among 133 clinical neuropsychologist records in Michigan
Brian David Gradwohl, PHD is one of 133 clinical neuropsychologist records with a practice address in Michigan. 35% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 84% of them.
- NPI issued2020 · 84% of these records are older, 11% newer
- In a Medicare fileYes · 35% of these records are
- In the CMS Doctors and Clinicians fileYes · 44% of these records are
- Graduated2018 · median 2007 among the 57 with a school on file
- Record last updated2022 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103G00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Neuropsychologist providers in Michigan
There are 133 clinical neuropsychologist records in Michigan.
All 133 in Michigan → Every provider in Muskegon → Clinical Neuropsychologist nationwide →
The 8 clinical neuropsychologist records with the nearest ZIP codes
- Steven Johnson, PH.D.Holland, MI 494231215054952
- Timothy Royer, PSYDGrandville, MI 494181326388554
- Luke AndersonGrand Rapids, MI 495031023326857
- Brianne Brooker, PHDGrand Rapids, MI 495031619346285
- Thomas Duda, PH.D., ABPP-CNGrand Rapids, MI 495031043612286
- Maegan Hatfield-Eldred, PHDGrand Rapids, MI 495031710264379
- Michael Lawrence, PHDGrand Rapids, MI 495031326130857
- John Linck, PH.D.Grand Rapids, MI 495031083878748
Common questions
What is Brian David Gradwohl, PHD's NPI number?
Brian David Gradwohl, PHD's National Provider Identifier (NPI) is 1457974784, issued on May 21, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Brian David Gradwohl, PHD located?
The NPPES record lists a practice address at 1277 Mercy Dr, Muskegon, MI, 49444. Phone: (231) 672-6568. Providers update this record themselves, so call before visiting.
How can I verify Brian David Gradwohl, PHD's license?
Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
What is Brian David Gradwohl, PHD's MIPS final score?
The 2023 MIPS final score is 94.5 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.