Dr. Erick F. Zak, DO
- Medicare services, 2024
- 64
- Medicare patients, 2024
- 14
- Part D claims, 2024
- 1,347
- Hospital affiliations
- 1
- Industry payments
- $41
- Practice address
- 3601 W Thirteen Mile Rd, Royal Oak, MI 48073
- Practice phone
- Call (248) 898-5400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Zak'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.
Dr. Erick F. Zak is a psychiatrist in Royal Oak, Michigan
Dr. Zak practices at Corewell Health William Beaumont University Hospital in Royal Oak, Michigan, part of Corewell Health.
Dr. Zak's NPI, 1487116380, was assigned on April 1, 2019. Dr. Zak holds Michigan license 5101027586.
- NPI
- 1487116380NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850623067
- NPI enumeration date
- April 1, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (248) 898-5400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Erick F. Zak practices at Corewell Health William Beaumont University Hospital in Royal Oak, Michigan
Dr. Zak's primary practice is Corewell Health William Beaumont University Hospital, at 3601 W Thirteen Mile Rd, Royal Oak, MI 48073 in Oakland County. The practice phone is (248) 898-5400.
- Corewell Health William Beaumont University Hospital3601 W Thirteen Mile Rd, Royal Oak, MI 48073 · Oakland CountyPhone(248) 898-5400
Source: Dmand AI Affiliation Data
Dr. Erick F. Zak is affiliated with 3 sites of care and 2 medical groups
Dr. Zak's primary practice is Corewell Health William Beaumont University Hospital in Royal Oak, Michigan, part of Corewell Health. The medical group on file is Beaumont Medical Group - Specialty Services. Dmand AI also links Dr. Zak to 1 more community health center, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Erick F. Zak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zak practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health William Beaumont University Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Erick F. Zak is one of 1,337 psychiatrists in Michigan
Psychiatry is Dr. Zak's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Zak is licensed in Michigan.
Specialties and state licenses
- Psychiatry, MichiganPrimary
Psychiatrists near Dr. Zak
Counts of psychiatrists 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
Dr. Erick F. Zak billed Medicare for 64 services in 2024
CMS data shows 64 Medicare services from Dr. Zak across 1 procedure code in 2024, all of them office visits, for 14 Medicare patients. Medicare paid $4,649 for them. Every service was in an office.
Dr. Zak compared with the Michigan median for psychiatrists, 2024
- Dr. Zak
- Michigan median
- Medicare services
- 64vs 14756% below
- Medicare patients
- 14vs 4871% below
- Part D claims
- 1,247vs 2155.8 times
Medians across 1,367 psychiatrists in Michigan with Dmand AI profiles that report each measure.
Dr. Zak's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Zak?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zak and other psychiatrists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Erick F. Zak treated 14 Medicare patients in 2024, average age 51
CMS counts 14 Medicare patients who saw Dr. Zak in 2024. 75% of them have anxiety, and 75% have mood disorders. 100% are also on Medicaid. Their average risk score is 2.36, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Zak's median patient age at 41, with 64% women.
Chronic conditions among Dr. Zak's Medicare patients, 2024
- Anxiety75%
- Mood disorders75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 41
Patient panel by sex, all payers
- Women64%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Erick F. Zak wrote 1,347 Medicare Part D claims in 2024
In 2024, Dr. Zak wrote 1,347 Medicare Part D claims for 80 patients. 95% of them were for generic drugs. CMS names the drug for 1,247 of them, across 36 drugs with 11 or more claims each, at $98,625 in total drug cost. In 2022, CMS named 191 claims across 12 drugs.
Dr. Zak's Part D claims by kind of drug, 2024
- Generic1,275 claims95%
- Brand-name72 claims5%
Dr. Zak's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Zak's Part D claims, 2024
- Antipsychotics, patients 65 and over8%106 of 1,347 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 1912024: 1,247553%
Drugs named by CMS: 36 in 2024, 12 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Erick F. Zak offers telehealth to Medicare patients
Dr. Zak accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Zak as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Erick F. Zak received $41 in industry payments in 2024
CMS Open Payments shows 2 general payments to Dr. Zak from 2 drug and device companies in 2024. Food and beverage make up the largest share, 100% of the total. Teva Pharmaceuticals USA, Inc. paid the most, $23.
Companies that paid Dr. Zak the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Erick F. Zak'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 DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - 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) |
| Industry payments | Open Payments (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 Dr. Erick F. Zak
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Erick F. Zak's NPI number?
Dr. Erick F. Zak's NPI number is 1487116380. It was assigned on April 1, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Erick F. Zak?
Dr. Erick F. Zak is a psychiatrist in Royal Oak, Michigan. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Erick F. Zak practice?
Dr. Zak practices at 3601 W Thirteen Mile Rd, Royal Oak, MI 48073. Dr. Zak's primary practice is Corewell Health William Beaumont University Hospital in Royal Oak, Michigan, part of Corewell Health. Dmand AI also links Dr. Zak to 1 community health center, 1 group practice or clinic and 1 medical group.
What is Dr. Erick F. Zak's office phone number?
The practice phone on file for Dr. Zak is (248) 898-5400.
What is Dr. Erick F. Zak's medical license number?
Dr. Zak holds Michigan license 5101027586.
Which hospitals is Dr. Erick F. Zak affiliated with?
Dr. Zak practices at Corewell Health William Beaumont University Hospital in Royal Oak, Michigan.
What medical group is Dr. Erick F. Zak part of?
Dr. Zak is linked to Beaumont Medical Group - Specialty Services. Dmand AI links Dr. Zak to 1 more medical group.
Does Dr. Erick F. Zak accept Medicare?
Yes. CMS data shows Dr. Zak billed Medicare for 64 services in 2024, and Dr. Zak accepts Medicare assignment.
Does Dr. Erick F. Zak offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Zak as offering telehealth services.
How many Medicare patients does Dr. Erick F. Zak see?
CMS counts 14 Medicare patients who saw Dr. Zak in 2024, with an average age of 51.
Show 4 more questionsShow fewer questions
What services does Dr. Erick F. Zak bill to Medicare?
In 2024, Dr. Zak's most billed Medicare services were office visit, established patient (99213).
What drugs does Dr. Erick F. Zak prescribe most?
In 2024 Medicare Part D data, Dr. Zak's most prescribed drugs by claims were Olanzapine, Quetiapine Fumarate and Hydroxyzine HCl.
Has Dr. Erick F. Zak received payments from drug or device companies?
CMS Open Payments shows $41 in general payments to Dr. Zak from 2 companies from 2024 to 2024. The largest total came from Teva Pharmaceuticals USA, Inc.
How long has Dr. Erick F. Zak been practicing?
Dr. Zak graduated from medical school in 2019, 7 years ago.
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