Hannah Massa, OD
- Medicare patients, 2024
- 41
- Part D claims, 2024
- 12
- Industry payments
- $130
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 4325 Miller Rd, Flint, MI 48507-1216
- Practice phone
- Call (810) 230-9292
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Riverfront Optical Eyecare
Eye care practice · Flint, Michigan
Find Hannah Massa'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.
Hannah Massa is an optometrist in Flint, Michigan
Hannah Massa practices at Riverfront Optical Eyecare in Flint, Michigan.
Hannah Massa's NPI, 1619756665, was assigned on September 27, 2023. Hannah Massa graduated from Indiana University - School of Optometry in 2023. Hannah Massa holds Ohio license OPT.007221.
- NPI
- 1619756665NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193170371
- NPI enumeration date
- September 27, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (810) 230-9292
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Hannah Massa practices at Riverfront Optical Eyecare in Flint, Michigan
Hannah Massa's primary practice is Riverfront Optical Eyecare, at 4325 Miller Rd, Flint, MI 48507-1216. The practice phone is (810) 230-9292.
- Riverfront Optical Eyecare4325 Miller Rd, Flint, MI 48507-1216Phone(810) 230-9292
Source: Dmand AI Affiliation Data
Hannah Massa is affiliated with 2 sites of care and 2 medical groups
Hannah Massa's primary practice is Riverfront Optical Eyecare in Flint, Michigan. Dmand AI also links Hannah Massa to 2 medical groups and 1 group practice or clinic, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Hannah Massa's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Hannah Massa practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Riverfront Optical 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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Hannah Massa is one of 1,416 optometrists in Michigan
Optometrist is Hannah Massa's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Hannah Massa is licensed in Ohio.
Specialties and state licenses
- Optometrist, OhioPrimary
Optometrists near Hannah Massa
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
Hannah Massa treated 41 Medicare patients in 2024, average age 75
CMS counts 41 Medicare patients who saw Hannah Massa in 2024. The largest group is 65 to 74, with 20 patients. 75% of them have high cholesterol, and 68% have high blood pressure. Their average risk score is 0.80, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Hannah Massa's median patient age at 68, with 53% women.
Hannah Massa's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Hannah Massa's Medicare patients by sex, 2024
- Women1741%
- Men2459%
Chronic conditions among Hannah Massa's Medicare patients, 2024
- High cholesterol75%
- High blood pressure68%
- Arthritis34%
- Diabetes29%
Share of Medicare patients with each condition. A patient can have several.
Hannah Massa's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Hannah Massa wrote 12 Medicare Part D claims in 2024
In 2024, Hannah Massa wrote 12 Medicare Part D claims.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Hannah Massa takes part in Medicare
Hannah Massa 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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Hannah Massa received $130 in industry payments in 2025
CMS Open Payments shows 4 general payments to Hannah Massa from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Bausch & Lomb Americas Inc. paid the most, $82.
Companies that paid Hannah Massa the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Hannah Massa graduated from Indiana University - School of Optometry
Hannah Massa graduated from Indiana University - School of Optometry in 2023.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Hannah Massa'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) |
| 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 Hannah Massa
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Hannah Massa's NPI number?
Hannah Massa's NPI number is 1619756665. It was assigned on September 27, 2023, and it is active in the NPI Registry.
What does Hannah Massa specialize in?
Hannah Massa is an optometrist in Flint, Michigan. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Hannah Massa practice?
Hannah Massa practices at 4325 Miller Rd, Flint, MI 48507-1216. Hannah Massa's primary practice is Riverfront Optical Eyecare in Flint, Michigan. Dmand AI also links Hannah Massa to 2 medical groups and 1 group practice or clinic.
What is Hannah Massa's office phone number?
The practice phone on file for Hannah Massa is (810) 230-9292.
What is Hannah Massa's medical license number?
Hannah Massa holds Ohio license OPT.007221.
Does Hannah Massa accept Medicare?
Yes. CMS lists Hannah Massa as accepting Medicare assignment.
How many Medicare patients does Hannah Massa see?
CMS counts 41 Medicare patients who saw Hannah Massa in 2024, with an average age of 75.
Where did Hannah Massa go to medical school?
Hannah Massa graduated from Indiana University - School of Optometry in 2023.
Has Hannah Massa received payments from drug or device companies?
CMS Open Payments shows $130 in general payments to Hannah Massa from 3 companies from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has Hannah Massa been practicing?
Hannah Massa graduated from medical school in 2023, 3 years ago.
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