Jeffrey A. Cassidy, MD
Pediatric Orthopaedic Surgery Physician · Grand Rapids, MI
Jeffrey A. Cassidy, MD is a pediatric orthopaedic surgery physician with a practice address in Grand Rapids, Michigan, and NPI 1316919798, issued on Feb 1, 2006. Check the license (Michigan 4301089308, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Jeffrey A. Cassidy
- Credential
- MD
- Primary taxonomy
- Pediatric Orthopaedic Surgery Physician 207XP3100X
- License number
- 4301089308 MI
Self-reported in NPPES; status is on the state search - Practice location
- 35 Michigan NE, Grand Rapids, MI 49503
- Phone
- (616) 267-2600
- Enumerated
- Feb 1, 2006
- Record last updated
- Feb 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (616) 267-2601
- Medicare enrollment
- Enrolled (PECOS I20071205000112); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Buffalo School Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest pediatric orthopaedic surgery physician records → All 15 in Michigan → Look up another NPI →
Also registered at 35 Michigan NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Breese, PAPhysician Assistant1780989947
- Deborah Cloney, MDPediatric Gastroenterology Physician1629048699
- Harold Conrad, MDPediatric Gastroenterology Physician1689644650
- Susan Millard, MDPediatric Pulmonology Physician1144296344
- Allison Miller, PA-CPhysician Assistant1780984773
- John Schuen, MDPediatric Pulmonology Physician1720054737
Verify Jeffrey A. Cassidy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301089308Check 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 MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Spectrum Health Primary Care PartnersKentwood, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey A. Cassidy among 15 pediatric orthopaedic surgery physician records in Michigan
Jeffrey A. Cassidy, MD is one of 15 pediatric orthopaedic surgery physician records with a practice address in Michigan. 73% 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 0% of them.
- NPI issued2006 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Record last updated2021 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XP3100X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Orthopaedic Surgery Physician providers in Michigan
There are 15 pediatric orthopaedic surgery physician records in Michigan.
All 15 in Michigan → Every provider in Grand Rapids → Pediatric Orthopaedic Surgery Physician nationwide →
The 8 pediatric orthopaedic surgery physician records with the nearest ZIP codes
- John Kemppainen, M.D.Grand Rapids, MI 495031215107636
- Lisa Maskill, M.D.Grand Rapids, MI 495031962611277
- Philip Nowicki, MDGrand Rapids, MI 495031366608986
- Justin Hollander, D.O.Traverse City, MI 496841053538868
- Louis Samberg, M.D.Cheboygan, MI 497211679702419
- Karen Bovid, M.D.Kalamazoo, MI 490081841401338
- Lanny Johnson, M.D.Okemos, MI 488641285854315
- Joseph Dewitt, D.O.East Lansing, MI 488231659522324
Common questions
What is Jeffrey A. Cassidy, MD's NPI number?
Jeffrey A. Cassidy, MD's National Provider Identifier (NPI) is 1316919798, issued on Feb 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey A. Cassidy, MD located?
The NPPES record lists a practice address at 35 Michigan NE, Grand Rapids, MI, 49503. Phone: (616) 267-2600. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey A. Cassidy, MD's license?
NPPES lists Michigan license number 4301089308, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Jeffrey A. Cassidy, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100. 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.