John C. Hersey, OD
- Medicare patients, 2024
- 356
- Part D claims, 2024
- 572
- Industry payments
- $32
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 1487 Main St, Palmyra, ME 04965
- Practice phone
- Call (207) 223-5555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
John C. Hersey OD
Palmyra, Maine
Find John Hersey'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.
John C. Hersey is an optometrist in Palmyra, Maine
John Hersey practices at John C. Hersey OD in Palmyra, Maine.
John Hersey's NPI, 1700816352, was assigned on July 3, 2006. John Hersey graduated from New England College of Optometry in 2001. John Hersey holds Maine license OPT856.
- NPI
- 1700816352NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214970938
- NPI enumeration date
- July 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (207) 223-5555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
John C. Hersey practices at John C. Hersey OD in Palmyra, Maine
John Hersey's primary practice is John C. Hersey OD, at 1487 Main St, Palmyra, ME 04965 in Somerset County. The practice phone is (207) 223-5555.
- John C. Hersey OD1487 Main St, Palmyra, ME 04965 · Somerset CountyPhone(207) 223-5555
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
John C. Hersey is affiliated with 2 sites of care and 1 medical group
John Hersey's primary practice is John C. Hersey OD in Palmyra, Maine. Dmand AI also links John Hersey to 1 group practice or clinic and 1 medical group, 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 John C. Hersey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Hersey practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John C. Hersey OD | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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John C. Hersey is one of 261 optometrists in Maine
Optometrist is John Hersey's primary specialty in the NPI Registry, under taxonomy code 152W00000X. John Hersey is licensed in Maine.
Specialties and state licenses
- Optometrist, MainePrimary
Optometrists near John Hersey
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
John C. Hersey treated 356 Medicare patients in 2024, average age 72
CMS counts 356 Medicare patients who saw John Hersey in 2024. The largest group is 65 to 74, with 181 patients. 65% of them have high cholesterol, and 64% have high blood pressure. 25% are also on Medicaid. Their average risk score is 0.94, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Hersey's median patient age at 71, with 58% women.
John Hersey's Medicare patients by age, 2024
John Hersey's Medicare patients by sex, 2024
- Women19555%
- Men16145%
Chronic conditions among John Hersey's Medicare patients, 2024
- High cholesterol65%
- High blood pressure64%
- Arthritis42%
- Diabetes25%
- Anxiety19%
- Ischemic heart disease18%
- COPD17%
- Chronic kidney disease17%
Share of Medicare patients with each condition. A patient can have several.
John Hersey's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John C. Hersey wrote 572 Medicare Part D claims in 2024
In 2024, John Hersey wrote 572 Medicare Part D claims for 188 patients. 71% of them were for generic drugs.
John Hersey's Part D claims by kind of drug, 2024
- Generic406 claims71%
- Brand-name166 claims29%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How John C. Hersey takes part in Medicare
John Hersey 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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John C. Hersey received $32 in industry payments in 2025
CMS Open Payments shows 2 general payments to John Hersey from 2 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, $18.
Companies that paid John Hersey the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
John C. Hersey graduated from New England College of Optometry
John Hersey graduated from New England College of Optometry in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for John C. Hersey'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 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) |
| 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 John C. Hersey
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John C. Hersey's NPI number?
John C. Hersey's NPI number is 1700816352. It was assigned on July 3, 2006, and it is active in the NPI Registry.
What does John C. Hersey specialize in?
John C. Hersey is an optometrist in Palmyra, Maine. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does John C. Hersey practice?
John Hersey practices at 1487 Main St, Palmyra, ME 04965. John Hersey's primary practice is John C. Hersey OD in Palmyra, Maine. Dmand AI also links John Hersey to 1 group practice or clinic and 1 medical group.
What is John C. Hersey's office phone number?
The practice phone on file for John Hersey is (207) 223-5555.
What is John C. Hersey's medical license number?
John Hersey holds Maine license OPT856.
Does John C. Hersey accept Medicare?
Yes. CMS lists John Hersey as accepting Medicare assignment.
How many Medicare patients does John C. Hersey see?
CMS counts 356 Medicare patients who saw John Hersey in 2024, with an average age of 72.
Where did John C. Hersey go to medical school?
John Hersey graduated from New England College of Optometry in 2001.
Has John C. Hersey received payments from drug or device companies?
CMS Open Payments shows $32 in general payments to John Hersey from 2 companies from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has John C. Hersey been practicing?
John Hersey graduated from medical school in 2001, 25 years ago.
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