Dr. Dale Alan Wiersma, MD
- Medicare services, 2024
- 20
- Medicare patients, 2024
- 23
- Part D claims, 2024
- 44
- Hospital affiliations
- 3
- Industry payments
- $228
- Practice address
- 100 Michigan St NE, Grand Rapids, MI 49503
- Practice phone
- Call (616) 391-1774
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Wiersma'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. Dale Alan Wiersma is an internist in Grand Rapids, Michigan
Dr. Wiersma practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health.
Dr. Wiersma's NPI, 1639126832, was assigned on May 31, 2006. Dr. Wiersma graduated from University of Wisconsin School of Medicine in 1986. Dr. Wiersma holds Michigan license 4301056205.
- NPI
- 1639126832NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022913656
- NPI enumeration date
- May 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (616) 391-1774
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Dale Alan Wiersma practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan
Dr. Wiersma's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth, at 100 Michigan St NE, Grand Rapids, MI 49503 in Kent County. The practice phone is (616) 391-1774.
- Corewell Health Grand Rapids Hospitals - Butterworth100 Michigan St NE, Grand Rapids, MI 49503 · Kent CountyPhone(616) 391-1774
Source: Dmand AI Affiliation Data
Dr. Dale Alan Wiersma is affiliated with 3 sites of care and 2 medical groups
Dr. Wiersma's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dr. Wiersma is also affiliated with Corewell Health Zeeland Hospital. The medical group on file is Corewell Health Medical Group West. Dmand AI also links Dr. Wiersma to 1 more hospital 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. Dale Alan Wiersma's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wiersma practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Grand Rapids Hospitals - Butterworth | 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. Dale Alan Wiersma is one of 4,804 internists in Michigan
Internal medicine is Dr. Wiersma's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Wiersma is licensed in Michigan.
Specialties and state licenses
- Internal medicine, MichiganPrimary
Internists near Dr. Wiersma
Counts of internists 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. Dale Alan Wiersma billed Medicare for 20 services in 2024
CMS data shows 20 Medicare services from Dr. Wiersma across 1 procedure code in 2024, for 23 Medicare patients. Medicare paid $1,284 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Wiersma's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 372024: 2046%
Dr. Wiersma compared with the Michigan median for internists, 2024
- Dr. Wiersma
- Michigan median
- Medicare services
- 20vs 42395% below
- Medicare patients
- 23vs 15986% below
- Part D claims
- 97vs 31469% below
Medians across 4,524 internists in Michigan with Dmand AI profiles that report each measure.
Dr. Wiersma'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wiersma and other internists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Dale Alan Wiersma treated 23 Medicare patients in 2024, average age 73
CMS counts 23 Medicare patients who saw Dr. Wiersma in 2024. 75% of them have high cholesterol, and 74% have arthritis. Their average risk score is 2.04, 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. Wiersma's median patient age at 62, with 73% women.
Chronic conditions among Dr. Wiersma's Medicare patients, 2024
- High cholesterol75%
- Arthritis74%
- High blood pressure74%
- Mood disorders61%
- Anxiety57%
- Depression57%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wiersma's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women73%
- Men27%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Dale Alan Wiersma wrote 44 Medicare Part D claims in 2024
In 2024, Dr. Wiersma wrote 44 Medicare Part D claims for 22 patients. 82% of them were for generic drugs. They cover 5 drugs, with $751 in total drug cost. In 2018, CMS named 219 claims across 11 drugs.
Dr. Wiersma's Part D claims by kind of drug, 2024
- Generic36 claims82%
- Brand-name and other8 claims18%
Dr. Wiersma's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 2192019: 9756%
Drugs named by CMS: 5 in 2019, 11 in 2018.
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
How Dr. Dale Alan Wiersma takes part in Medicare
Dr. Wiersma 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)
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Dr. Dale Alan Wiersma received $228 in industry payments from 2016 to 2025
CMS Open Payments shows 13 general payments to Dr. Wiersma from 8 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $52.
General payments to Dr. Wiersma by program year, 2016 to 2025
Companies that paid Dr. Wiersma the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Dale Alan Wiersma graduated from University of Wisconsin School of Medicine
Dr. Wiersma graduated from University of Wisconsin School of Medicine in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Dale Alan Wiersma'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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Dale Alan Wiersma
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. Dale Alan Wiersma's NPI number?
Dr. Dale Alan Wiersma's NPI number is 1639126832. It was assigned on May 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Dale Alan Wiersma?
Dr. Dale Alan Wiersma is an internist in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Dale Alan Wiersma practice?
Dr. Wiersma practices at 100 Michigan St NE, Grand Rapids, MI 49503. Dr. Wiersma's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dmand AI also links Dr. Wiersma to 1 hospital and 1 medical group.
What is Dr. Dale Alan Wiersma's office phone number?
The practice phone on file for Dr. Wiersma is (616) 391-1774.
What is Dr. Dale Alan Wiersma's medical license number?
Dr. Wiersma holds Michigan license 4301056205.
Which hospitals is Dr. Dale Alan Wiersma affiliated with?
Dr. Wiersma practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan. Dr. Wiersma is also affiliated with Corewell Health Zeeland Hospital. Dmand AI links Dr. Wiersma to 1 more hospital.
What medical group is Dr. Dale Alan Wiersma part of?
Dr. Wiersma is linked to Corewell Health Medical Group West. Dmand AI links Dr. Wiersma to 1 more medical group.
Does Dr. Dale Alan Wiersma accept Medicare?
Yes. CMS data shows Dr. Wiersma billed Medicare for 20 services in 2024, and Dr. Wiersma accepts Medicare assignment.
How many Medicare patients does Dr. Dale Alan Wiersma see?
CMS counts 23 Medicare patients who saw Dr. Wiersma in 2024, with an average age of 73.
What services does Dr. Dale Alan Wiersma bill to Medicare?
In 2024, Dr. Wiersma's most billed Medicare services were hospital inpatient care (99232).
Show 4 more questionsShow fewer questions
Where did Dr. Dale Alan Wiersma go to medical school?
Dr. Wiersma graduated from University of Wisconsin School of Medicine in 1986.
What drugs does Dr. Dale Alan Wiersma prescribe most?
In 2019 Medicare Part D data, Dr. Wiersma's most prescribed drugs by claims were Azithromycin, Prednisone and Cefuroxime.
Has Dr. Dale Alan Wiersma received payments from drug or device companies?
CMS Open Payments shows $228 in general payments to Dr. Wiersma from 8 companies from 2016 to 2025. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Dale Alan Wiersma been practicing?
Dr. Wiersma graduated from medical school in 1986, 40 years ago.
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