Claire Marie Diekema, OD
- Part D claims, 2024
- 150
- Industry payments
- $133
- Affiliated sites
- 1
- Medical groups
- 2
- State license
- 1
- Practice address
- 4 Washington Ave, Grand Haven, MI 49417
- Practice phone
- Call (616) 538-0150
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Vollink Eyecare
Grand Haven, Michigan
Find Claire Diekema'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.
Claire Marie Diekema is an optometrist in Grand Haven, Michigan
Claire Diekema practices at Vollink Eyecare in Grand Haven, Michigan.
Claire Diekema's NPI, 1508214115, was assigned on May 25, 2016. Claire Diekema graduated from Ohio State University - College of Optometry in 2016. Claire Diekema holds Michigan license 4901004958.
- NPI
- 1508214115NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345530986
- NPI enumeration date
- May 25, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (616) 538-0150
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Claire Marie Diekema practices at Vollink Eyecare in Grand Haven, Michigan
Claire Diekema's primary practice is Vollink Eyecare, at 4 Washington Ave, Grand Haven, MI 49417 in Ottawa County. The practice phone is (616) 538-0150.
- Vollink Eyecare4 Washington Ave, Grand Haven, MI 49417 · Ottawa CountyPhone(616) 538-0150
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Claire Marie Diekema is affiliated with 2 sites of care and 2 medical groups
Claire Diekema's primary practice is Vollink Eyecare in Grand Haven, Michigan. Dmand AI also links Claire Diekema to 2 medical groups and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Claire Marie Diekema's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Claire Diekema practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vollink Eyecare | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Claire Marie Diekema is one of 1,416 optometrists in Michigan
Optometrist is Claire Diekema's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Claire Diekema is licensed in Michigan.
Specialties and state licenses
- Optometrist, MichiganPrimary
Optometrists near Claire Diekema
Counts of optometrists 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
Claire Marie Diekema's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Claire Diekema's median patient age at 70, with 59% women.
Claire Diekema's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women59%
- Men41%
Source: Dmand AI Patient Panel Data
Claire Marie Diekema wrote 150 Medicare Part D claims in 2024
In 2024, Claire Diekema wrote 150 Medicare Part D claims for 43 patients. 80% of them were for generic drugs.
Claire Diekema's Part D claims by kind of drug, 2024
- Generic120 claims80%
- Brand-name30 claims20%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Claire Marie Diekema takes part in Medicare
Claire Diekema accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Claire Marie Diekema received $133 in industry payments in 2025
CMS Open Payments shows 3 general payments to Claire Diekema from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Sight Sciences, Inc. paid the most, $73.
Companies that paid Claire Diekema the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Claire Marie Diekema graduated from Ohio State University - College of Optometry
Claire Diekema graduated from Ohio State University - College of Optometry in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Claire Marie Diekema'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | 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)Doctors and Clinicians Utilization Data (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 Claire Marie Diekema
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Claire Marie Diekema's NPI number?
Claire Marie Diekema's NPI number is 1508214115. It was assigned on May 25, 2016, and it is active in the NPI Registry.
What does Claire Marie Diekema specialize in?
Claire Marie Diekema is an optometrist in Grand Haven, Michigan. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Claire Marie Diekema practice?
Claire Diekema practices at 4 Washington Ave, Grand Haven, MI 49417. Claire Diekema's primary practice is Vollink Eyecare in Grand Haven, Michigan. Dmand AI also links Claire Diekema to 2 medical groups and 1 group practice or clinic.
What is Claire Marie Diekema's office phone number?
The practice phone on file for Claire Diekema is (616) 538-0150.
What is Claire Marie Diekema's medical license number?
Claire Diekema holds Michigan license 4901004958.
Does Claire Marie Diekema accept Medicare?
Yes. CMS lists Claire Diekema as accepting Medicare assignment.
Where did Claire Marie Diekema go to medical school?
Claire Diekema graduated from Ohio State University - College of Optometry in 2016.
Has Claire Marie Diekema received payments from drug or device companies?
CMS Open Payments shows $133 in general payments to Claire Diekema from 3 companies from 2025 to 2025. The largest total came from Sight Sciences, Inc.
How long has Claire Marie Diekema been practicing?
Claire Diekema graduated from medical school in 2016, 10 years ago.
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