Mark B. Mahacek, PsyD
- Medicare patients, 2024
- 167
- Hospital affiliations
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 1700 Clinton Street, Muskegon, MI 49443
- Practice phone
- Call (231) 728-4007
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hackley Hospital - Unit
Acute Care Hospital-Unit · Muskegon, Michigan
Find Mark Mahacek's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Mark B. Mahacek is a psychologist in Muskegon, Michigan
Mark Mahacek practices at Hackley Hospital - Unit in Muskegon, Michigan.
Mark Mahacek's NPI, 1346330438, was assigned on October 13, 2006. Mark Mahacek holds Michigan license MM008350.
- NPI
- 1346330438NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466527429
- NPI enumeration date
- October 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (231) 728-4007
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mark B. Mahacek practices at Hackley Hospital - Unit in Muskegon, Michigan
Mark Mahacek's primary practice is Hackley Hospital - Unit, at 1700 Clinton Street, Muskegon, MI 49443 in Muskegon County. The practice phone is (231) 728-4007.
- Hackley Hospital - Unit1700 Clinton Street, Muskegon, MI 49443 · Muskegon CountyPhone(231) 728-4007
Source: Dmand AI Affiliation Data
Mark B. Mahacek is affiliated with 1 site of care
Mark Mahacek's primary practice is Hackley Hospital - Unit in Muskegon, Michigan.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Mark B. Mahacek's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Mahacek practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hackley Hospital - Unit | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Mark B. Mahacek is one of 864 psychologists in Michigan
Psychologist is Mark Mahacek's primary specialty in the NPI Registry, under taxonomy code 103T00000X. Mark Mahacek is licensed in Michigan.
Specialties and state licenses
- Psychologist, MichiganPrimary
Psychologists near Mark Mahacek
Counts of psychologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Mark B. Mahacek treated 167 Medicare patients in 2024, average age 81
CMS counts 167 Medicare patients who saw Mark Mahacek in 2024. The largest group is 85 and over, with 75 patients. 75% of them have arthritis, and 75% have depression. 62% are also on Medicaid. Their average risk score is 2.23, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Mark Mahacek's median patient age at 78, with 52% women.
Mark Mahacek's Medicare patients by age, 2024
Mark Mahacek's Medicare patients by sex, 2024
- Women10261%
- Men6539%
Chronic conditions among Mark Mahacek's Medicare patients, 2024
- Arthritis75%
- Depression75%
- High blood pressure75%
- Mood disorders75%
- Anxiety66%
- High cholesterol66%
- Alzheimer's and dementia62%
- Chronic kidney disease47%
Share of Medicare patients with each condition. A patient can have several.
Mark Mahacek's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 78
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Mark B. Mahacek takes part in Medicare
Mark Mahacek accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for Mark B. Mahacek's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Mark B. Mahacek
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mark B. Mahacek's NPI number?
Mark B. Mahacek's NPI number is 1346330438. It was assigned on October 13, 2006, and it is active in the NPI Registry.
What does Mark B. Mahacek specialize in?
Mark B. Mahacek is a psychologist in Muskegon, Michigan. The primary specialty in the NPI Registry is Psychologist (taxonomy code 103T00000X).
Where does Mark B. Mahacek practice?
Mark Mahacek practices at 1700 Clinton Street, Muskegon, MI 49443. Mark Mahacek's primary practice is Hackley Hospital - Unit in Muskegon, Michigan.
What is Mark B. Mahacek's office phone number?
The practice phone on file for Mark Mahacek is (231) 728-4007.
What is Mark B. Mahacek's medical license number?
Mark Mahacek holds Michigan license MM008350.
Does Mark B. Mahacek accept Medicare?
Yes. CMS lists Mark Mahacek as accepting Medicare assignment.
How many Medicare patients does Mark B. Mahacek see?
CMS counts 167 Medicare patients who saw Mark Mahacek in 2024, with an average age of 81.
How long has Mark B. Mahacek been practicing?
Mark Mahacek graduated from medical school in 1991, 35 years ago.
Selling to psychologist practices?
See psychologists in Michigan by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card