Cassondra Wass
Internal Medicine Physician · Holland, MI
Cassondra Wass is an internal medicine physician with a practice address in Holland, Michigan, and NPI 1093240103, issued on Apr 26, 2017. Check the license (Michigan 5101025851, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Cassondra Wass
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 5101025851 MI
Self-reported in NPPES; status is on the state search - Practice location
- 602 Michigan Ave, Holland, MI 49423
- Phone
- (616) 494-4282
- Enumerated
- Apr 26, 2017
- Record last updated
- Jan 1, 2023
- Medicare enrollment
- Enrolled (PECOS I20201020000099); accepts Medicare assignment
- Medical or professional school
- University Of Pikeville, Kentucky College Of Osteopathic Med, 2017
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 602 Michigan Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mikaela Andrea, LLMSWClinical Social Worker1982907507
- Julie Arnold, LMSWClinical Social Worker1861536823
- Kyle Baker, PHARMDPharmacist1699539775
- Lee Berens, M.D.Anesthesiology Physician1134162480
- Farah Berent, PAPhysician Assistant1962602862
- Eleanor Blouw, CRNACertified Registered Nurse Anesthetist1922040112
Verify Cassondra Wass in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101025851Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average internal medicine physician in 2024
260 Medicare Part D claims for 135 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Amlodipine Besylate16 claims
- Metoprolol Succinate15 claims
- Clopidogrel14 claims
- Pantoprazole Sodium14 claims
- Furosemide13 claims
- Amoxicillin-Clavulanate Potass12 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.
One hospital affiliation
- Holland Community HospitalHolland, MI · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Cassondra Wass among 5,735 internal medicine physician records in Michigan
Cassondra Wass is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 71% of them.
- NPI issued2017 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2017 · median 2006 among the 3,564 with a school on file
- Record last updated2023 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
33 internal medicine physician records list a practice address in Holland
They are 33 of the 2,124 NPPES records with a practice address in Holland, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Holland → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jennifer Bhunpaen, MDHolland, MI 494231225267040
- Jason Cornell, M.D.Holland, MI 494231780034090
- Matthew Fletcher, DOHolland, MI 494231942409677
- Aparna Gadekar, MDHolland, MI 494231548445620
- Noah Hochstetler, DOHolland, MI 494231770225179
- Ryan Langley, D.O.Holland, MI 494231699112193
- Donald McMillan, D.O.Holland, MI 494231831465376
- Jennifer Morrical, M.D.Holland, MI 494231538692322
Common questions
What is Cassondra Wass's NPI number?
Cassondra Wass's National Provider Identifier (NPI) is 1093240103, issued on Apr 26, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Cassondra Wass located?
The NPPES record lists a practice address at 602 Michigan Ave, Holland, MI, 49423. Phone: (616) 494-4282. Providers update this record themselves, so call before visiting.
How can I verify Cassondra Wass's license?
NPPES lists Michigan license number 5101025851, 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.
How much does Cassondra Wass prescribe under Medicare Part D?
In 2024, Cassondra Wass had 260 Medicare Part D claims for 135 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.