John Michael Assell, OD
- Medicare patients, 2024
- 335
- Part D claims, 2024
- 249
- Industry payments
- $77
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 7547 Waterside Loop Rd, Denver, NC 28037-7677
- Practice phone
- Call (704) 822-9920
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Advanced Family Eye Care - Drs Of Optometry
Eye care practice · Denver, North Carolina
Find John Assell'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 Michael Assell is an optometrist in Denver, North Carolina
John Assell practices at Advanced Family Eye Care - Drs Of Optometry in Denver, North Carolina.
John Assell's NPI, 1275508152, was assigned on February 22, 2006. John Assell graduated from University Alabama Birmingham - School of Optometry in 2002. John Assell holds North Carolina license NC1850.
- NPI
- 1275508152NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739260688
- NPI enumeration date
- February 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (704) 822-9920
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Michael Assell practices at Advanced Family Eye Care - Drs of Optometry in Denver, North Carolina
John Assell's primary practice is Advanced Family Eye Care - Drs of Optometry, at 7547 Waterside Loop Rd, Denver, NC 28037-7677. The practice phone is (704) 822-9920.
- Advanced Family Eye Care - Drs of Optometry7547 Waterside Loop Rd, Denver, NC 28037-7677Phone(704) 822-9920
Source: Dmand AI Affiliation Data
John Michael Assell is affiliated with 1 site of care and 1 medical group
John Assell's primary practice is Advanced Family Eye Care - Drs Of Optometry in Denver, North Carolina. Dmand AI also links John Assell to 1 medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at John Michael Assell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Assell practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advanced Family Eye Care - Drs Of Optometry | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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John Michael Assell is one of 1,111 optometrists in North Carolina
Optometrist is John Assell's primary specialty in the NPI Registry, under taxonomy code 152W00000X. John Assell is licensed in North Carolina.
Specialties and state licenses
- Optometrist, North CarolinaPrimary
Optometrists near John Assell
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 Michael Assell treated 335 Medicare patients in 2024, average age 74
CMS counts 335 Medicare patients who saw John Assell in 2024. The largest group is 65 to 74, with 179 patients. 75% of them have high cholesterol, and 69% have high blood pressure. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Assell's median patient age at 74, with 55% women.
John Assell's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
John Assell's Medicare patients by sex, 2024
- Women17753%
- Men15847%
Chronic conditions among John Assell's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Arthritis42%
- Anxiety21%
- Chronic kidney disease21%
- Diabetes20%
- Ischemic heart disease20%
- Mood disorders18%
Share of Medicare patients with each condition. A patient can have several.
John Assell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John Michael Assell wrote 249 Medicare Part D claims in 2024
In 2024, John Assell wrote 249 Medicare Part D claims for 103 patients. 78% of them were for generic drugs.
John Assell's Part D claims by kind of drug, 2024
- Generic193 claims78%
- Brand-name56 claims22%
Drug classes CMS tracks in John Assell's Part D claims, 2024
- Antibiotics4%11 of 249 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
John Michael Assell ranks in the 53rd percentile for cataract surgery in Medicare
John Assell accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 30 procedures of cataract surgery by John Assell, more than 53% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where John Assell ranks in Medicare procedure volume
- Cataract surgery
- 53rd percentile30 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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John Michael Assell received $77 in industry payments in 2025
CMS Open Payments shows 4 general payments to John Assell from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $54.
Companies that paid John Assell 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 Michael Assell graduated from University Alabama Birmingham - School of Optometry
John Assell graduated from University Alabama Birmingham - School of Optometry in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for John Michael Assell'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 John Michael Assell
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 Michael Assell's NPI number?
John Michael Assell's NPI number is 1275508152. It was assigned on February 22, 2006, and it is active in the NPI Registry.
What does John Michael Assell specialize in?
John Michael Assell is an optometrist in Denver, North Carolina. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does John Michael Assell practice?
John Assell practices at 7547 Waterside Loop Rd, Denver, NC 28037-7677. John Assell's primary practice is Advanced Family Eye Care - Drs Of Optometry in Denver, North Carolina. Dmand AI also links John Assell to 1 medical group.
What is John Michael Assell's office phone number?
The practice phone on file for John Assell is (704) 822-9920.
What is John Michael Assell's medical license number?
John Assell holds North Carolina license NC1850.
Does John Michael Assell accept Medicare?
Yes. CMS lists John Assell as accepting Medicare assignment.
How many Medicare patients does John Michael Assell see?
CMS counts 335 Medicare patients who saw John Assell in 2024, with an average age of 74.
Where did John Michael Assell go to medical school?
John Assell graduated from University Alabama Birmingham - School of Optometry in 2002.
Has John Michael Assell received payments from drug or device companies?
CMS Open Payments shows $77 in general payments to John Assell from 2 companies from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has John Michael Assell been practicing?
John Assell graduated from medical school in 2002, 24 years ago.
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