Emily Ann Merwin, OD
- Industry payments
- $261
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2016
- Practice address
- 255 Romence Rd, Portage, MI 49024
- Practice phone
- Call (269) 657-7288
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hiemstra Optical Company
Portage, Michigan
Find Emily Merwin'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.
Emily Ann Merwin is an optometrist in Portage, Michigan
Emily Merwin practices at Hiemstra Optical Company in Portage, Michigan.
Emily Merwin's NPI, 1982055174, was assigned on June 29, 2016. Emily Merwin holds Michigan license 4901004975.
- NPI
- 1982055174NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294023289
- NPI enumeration date
- June 29, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (269) 657-7288
- 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)
Emily Ann Merwin practices at Hiemstra Optical Company in Portage, Michigan
Emily Merwin's primary practice is Hiemstra Optical Company, at 255 Romence Rd, Portage, MI 49024 in Kalamazoo County. The practice phone is (269) 657-7288.
- Hiemstra Optical Company255 Romence Rd, Portage, MI 49024 · Kalamazoo CountyPhone(269) 657-7288
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Emily Ann Merwin is affiliated with 3 sites of care and 2 medical groups
Emily Merwin's primary practice is Hiemstra Optical Company in Portage, Michigan. Dmand AI also links Emily Merwin to 2 group practices and clinics and 2 medical groups, 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 Emily Ann Merwin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Emily Merwin practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hiemstra Optical Company | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Emily Ann Merwin is one of 1,416 optometrists in Michigan
Optometrist is Emily Merwin's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Emily Merwin is licensed in Michigan.
Specialties and state licenses
- Optometrist, MichiganPrimary
Optometrists near Emily Merwin
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
Emily Ann Merwin's patients have a median age of 52
Across all payers, Dmand AI patient panel data puts Emily Merwin's median patient age at 52, with 58% women.
Emily Merwin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women58%
- Men41%
Source: Dmand AI Patient Panel Data
How Emily Ann Merwin takes part in Medicare
Emily Merwin 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)
Emily Ann Merwin received $261 in industry payments in 2025
CMS Open Payments shows 8 general payments to Emily Merwin from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Glaukos Corporation paid the most, $177.
Companies that paid Emily Merwin the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Emily Ann Merwin'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 |
| 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 Emily Ann Merwin
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Emily Ann Merwin's NPI number?
Emily Ann Merwin's NPI number is 1982055174. It was assigned on June 29, 2016, and it is active in the NPI Registry.
What does Emily Ann Merwin specialize in?
Emily Ann Merwin is an optometrist in Portage, Michigan. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Emily Ann Merwin practice?
Emily Merwin practices at 255 Romence Rd, Portage, MI 49024. Emily Merwin's primary practice is Hiemstra Optical Company in Portage, Michigan. Dmand AI also links Emily Merwin to 2 group practices and clinics and 2 medical groups.
What is Emily Ann Merwin's office phone number?
The practice phone on file for Emily Merwin is (269) 657-7288.
What is Emily Ann Merwin's medical license number?
Emily Merwin holds Michigan license 4901004975.
Does Emily Ann Merwin accept Medicare?
Yes. CMS lists Emily Merwin as accepting Medicare assignment.
Has Emily Ann Merwin received payments from drug or device companies?
CMS Open Payments shows $261 in general payments to Emily Merwin from 2 companies from 2025 to 2025. The largest total came from Glaukos Corporation.
How long has Emily Ann Merwin been practicing?
Emily Merwin graduated from medical school in 2016, 10 years ago.
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