Mark Leonard Holloway, LLPC
Professional Counselor · Jenison, MI
Mark Leonard Holloway, LLPC is a professional counselor with a practice address in Jenison, Michigan, and NPI 1952805830, issued on Mar 23, 2018. Check the license (Michigan 6401016504, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Leonard Holloway
- Credential
- LLPC
- Primary taxonomy
- Professional Counselor 101YP2500X
- License number
- 6401016504 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1675 Baldwin St, Jenison, MI 49428
- Phone
- (616) 426-9034
- Enumerated
- Mar 23, 2018
- Record last updated
- Apr 8, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20231122000693); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest professional counselor records → All 4,958 in Michigan → Look up another NPI →
Verify Mark Leonard Holloway in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 6401016504Check 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
- Second Story Counseling II LLCHudsonville, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Leonard Holloway among 4,958 professional counselor records in Michigan
Mark Leonard Holloway, LLPC 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 2018, is newer than 61% of them.
- NPI issued2018 · 61% of these records are older, 33% newer
- In a Medicare fileYes · 14% of these records are
- In the CMS Doctors and Clinicians fileYes · 21% of these records are
- Graduated2017 · median 2013 among the 1,050 with a school on file
- Record last updated2020 · 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).
17 professional counselor records list a practice address in Jenison
They are 17 of the 347 NPPES records with a practice address in Jenison, and 4,958 professional counselor records in Michigan.
All 4,958 in Michigan → Every provider in Jenison → Professional Counselor nationwide →
The 8 professional counselor records with the nearest ZIP codes
- Denise BoldtJenison, MI 494281013452465
- Deanne BurkeJenison, MI 494281245092006
- Emily Dunham, LPCJenison, MI 494281104502673
- Nicole Fryling, LLPCJenison, MI 494281861012940
- Philip Gastineau, LPCJenison, MI 494281780172494
- Sarah Gordon, LLPCJenison, MI 494281548469216
- Nathanael Hansen, LPCJenison, MI 494281790064251
- Chase Hoekwater, LLPCJenison, MI 494281609235746
Common questions
What is Mark Leonard Holloway, LLPC's NPI number?
Mark Leonard Holloway, LLPC's National Provider Identifier (NPI) is 1952805830, issued on Mar 23, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Mark Leonard Holloway, LLPC located?
The NPPES record lists a practice address at 1675 Baldwin St, Jenison, MI, 49428. Phone: (616) 426-9034. Providers update this record themselves, so call before visiting.
How can I verify Mark Leonard Holloway, LLPC's license?
NPPES lists Michigan license number 6401016504, as entered by the provider. 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.