Mary Holwerda
Professional Counselor · Grand Haven, MI
Mary Holwerda is a professional counselor with a practice address in Grand Haven, Michigan, and NPI 1114597580, issued on Jun 29, 2021. Check the license with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Holwerda
- Primary taxonomy
- Professional Counselor 101YP2500X
- Practice location
- 320 Columbus Ave, Grand Haven, MI 49417
- Phone
- (616) 607-4476
- Enumerated
- Jun 29, 2021
- Record last updated
- Jun 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20240203000363); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest professional counselor records → All 4,958 in Michigan → Look up another NPI →
Also registered at 320 Columbus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Megan HertelMental Health Counselor1487479911
- Jessica Kleinheksel, MA, LPC, NCCProfessional Counselor1518640549
- Montana Mueller, MSWClinical Social Worker1114689809
- Toni Start, LPClinical Psychologist1356542716
Verify Mary Holwerda 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
Bills Medicare through one group practice
- Start And Associates Psychological Support LLCGrand Haven, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Holwerda among 4,958 professional counselor records in Michigan
Mary Holwerda is one of 4,958 professional counselor records with a practice address in Michigan. 14% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 78% of them.
- NPI issued2021 · 78% of these records are older, 16% newer
- In a Medicare fileYes · 14% of these records are
- In the CMS Doctors and Clinicians fileYes · 21% of these records are
- Graduated2003 · median 2013 among the 1,050 with a school on file
- Record last updated2021 · 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 101YP2500X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 professional counselor records list a practice address in Grand Haven
They are 24 of the 665 NPPES records with a practice address in Grand Haven, and 4,958 professional counselor records in Michigan.
All 4,958 in Michigan → Every provider in Grand Haven → Professional Counselor nationwide →
The 8 professional counselor records with the nearest ZIP codes
- Martha Balk, LPCGrand Haven, MI 494171154582922
- Jennifer Deckert, LPCGrand Haven, MI 494171871966275
- Jeremy Drake, M.A, L.L.P.CGrand Haven, MI 494171942432901
- Robert Fevig, LPCGrand Haven, MI 494171184972788
- Robert Hitchcock, M.A. LPCGrand Haven, MI 494171669668166
- Julie Honeycutt, LPCGrand Haven, MI 494171194192674
- Laura Hoogerhyde, MA, LPCGrand Haven, MI 494171629318852
- Pamela Jordan, LPC, CAADCGrand Haven, MI 494171699025213
Common questions
What is Mary Holwerda's NPI number?
Mary Holwerda's National Provider Identifier (NPI) is 1114597580, issued on Jun 29, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Mary Holwerda located?
The NPPES record lists a practice address at 320 Columbus Ave, Grand Haven, MI, 49417. Phone: (616) 607-4476. Providers update this record themselves, so call before visiting.
How can I verify Mary Holwerda's license?
Search the Michigan board that licenses this profession; the NPPES record confirms identity 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.