Mark B. Mahacek, PSYD
Psychologist · Spring Lake, MI
Mark B. Mahacek, PSYD is a psychologist with a practice address in Spring Lake, Michigan, and NPI 1346330438, issued on Oct 13, 2006. Check the license (Michigan MM008350, as entered in NPPES) with the Michigan board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark B. Mahacek
- Credential
- PSYD
- Primary taxonomy
- Psychologist 103T00000X
- License number
- MM008350 MI
Self-reported in NPPES; status is on the state search - Practice location
- 19100 N Fruitport RD, Spring Lake, MI 49456
- Phone
- (616) 842-2125
- Enumerated
- Oct 13, 2006
- Record last updated
- Oct 5, 2023
- Medicare enrollment
- Enrolled (PECOS I20080826000661); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychologist records → All 2,549 in Michigan → Look up another NPI →
Also registered at 19100 N Fruitport RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph Auffrey, PH.DForensic Psychologist1942305917
Verify Mark B. Mahacek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license MM008350Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mark B. Mahacek among 2,549 psychologist records in Michigan
Mark B. Mahacek, PSYD is one of 2,549 psychologist records with a practice address in Michigan. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 76% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 12% of these records are
- Graduated1991 · median 1999 among the 308 with a school on file
- Record last updated2023 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 psychologist records list a practice address in Spring Lake
They are 4 of the 215 NPPES records with a practice address in Spring Lake, and 2,549 psychologist records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,549 in Michigan → Every provider in Spring Lake → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Jordan Engelhard, DLLPSpring Lake, MI 494561508119892
- Lori McDiarmid, LLPSpring Lake, MI 494561326755356
- Douglas Moorhead, PSY.D.Spring Lake, MI 494561396283826
- Andrew Hicks, MS, MA, LLP, CADCWest Olive, MI 494601457990400
- Justin Sides, PSYDWest Olive, MI 494601104276690
- James Kolbe, LPC, LLP, FLEWhitehall, MI 494611235272147
- Julie Macarthur, MA LLPWhitehall, MI 494611073596854
- Janet Williams, LLP, LPCWhitehall, MI 494611578960449
Common questions
What is Mark B. Mahacek, PSYD's NPI number?
Mark B. Mahacek, PSYD's National Provider Identifier (NPI) is 1346330438, issued on Oct 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark B. Mahacek, PSYD located?
The NPPES record lists a practice address at 19100 N Fruitport RD, Spring Lake, MI, 49456. Phone: (616) 842-2125. Providers update this record themselves, so call before visiting.
How can I verify Mark B. Mahacek, PSYD's license?
NPPES lists Michigan license number MM008350, 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. 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.