Karen Nicole Johnson, OD
- Medicare patients, 2024
- 140
- Part D claims, 2024
- 374
- Industry payments
- $100
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 401 E Main St, Henderson, TN 38340-2439
- Practice phone
- Call (731) 435-1275
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Henderson Family Eye Care
Physician office · Henderson, Tennessee
Find Karen Johnson'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.
Karen Nicole Johnson is an optometrist in Henderson, Tennessee
Karen Johnson practices at Henderson Family Eye Care in Henderson, Tennessee.
Karen Johnson's NPI, 1316139017, was assigned on August 16, 2007. Karen Johnson graduated from Southern College of Optometry in 2007. Karen Johnson holds Tennessee license 2742.
- NPI
- 1316139017NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3274626031
- NPI enumeration date
- August 16, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (731) 435-1275
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Karen Nicole Johnson practices at Henderson Family Eye Care in Henderson, Tennessee
Karen Johnson's primary practice is Henderson Family Eye Care, at 401 E Main St, Henderson, TN 38340-2439. The practice phone is (731) 435-1275.
- Henderson Family Eye Care401 E Main St, Henderson, TN 38340-2439Phone(731) 435-1275
Source: Dmand AI Affiliation Data
Karen Nicole Johnson is affiliated with 1 site of care
Karen Johnson's primary practice is Henderson Family Eye Care in Henderson, Tennessee.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Karen Nicole Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Karen Johnson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Henderson Family Eye Care | Available with a free account |
Source: Dmand AI Technology Install Data
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Karen Nicole Johnson is one of 969 optometrists in Tennessee
Optometrist is Karen Johnson's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Karen Johnson is licensed in Tennessee.
Specialties and state licenses
- Optometrist, TennesseePrimary
Optometrists near Karen Johnson
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
Karen Nicole Johnson treated 140 Medicare patients in 2024, average age 71
CMS counts 140 Medicare patients who saw Karen Johnson in 2024. The largest group is 65 to 74, with 82 patients. 75% of them have high blood pressure, and 68% have high cholesterol. 8% are also on Medicaid. Their average risk score is 0.93, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Karen Johnson's median patient age at 68, with 55% women.
Karen Johnson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Karen Johnson's Medicare patients by sex, 2024
- Women8460%
- Men5640%
Chronic conditions among Karen Johnson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol68%
- Arthritis46%
- Diabetes36%
- Anxiety25%
- Ischemic heart disease24%
- Depression23%
- Mood disorders23%
Share of Medicare patients with each condition. A patient can have several.
Karen Johnson'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
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Karen Nicole Johnson wrote 374 Medicare Part D claims in 2024
In 2024, Karen Johnson wrote 374 Medicare Part D claims for 74 patients. 62% of them were for generic drugs.
Karen Johnson's Part D claims by kind of drug, 2024
- Generic231 claims62%
- Brand-name143 claims38%
Drug classes CMS tracks in Karen Johnson's Part D claims, 2024
- Antibiotics3%12 of 374 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
Karen Nicole Johnson ranks in the 54th percentile for cataract surgery in Medicare
Karen Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 32 procedures of cataract surgery by Karen Johnson, more than 54% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Karen Johnson ranks in Medicare procedure volume
- Cataract surgery
- 54th percentile32 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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Karen Nicole Johnson received $100 in industry payments in 2025
CMS Open Payments shows 3 general payments to Karen Johnson from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Mallinckrodt Hospital Products Inc. paid the most, $43.
Companies that paid Karen Johnson the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Karen Nicole Johnson graduated from Southern College of Optometry
Karen Johnson graduated from Southern College of Optometry in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Karen Nicole Johnson'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 Karen Nicole Johnson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Karen Nicole Johnson's NPI number?
Karen Nicole Johnson's NPI number is 1316139017. It was assigned on August 16, 2007, and it is active in the NPI Registry.
What does Karen Nicole Johnson specialize in?
Karen Nicole Johnson is an optometrist in Henderson, Tennessee. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Karen Nicole Johnson practice?
Karen Johnson practices at 401 E Main St, Henderson, TN 38340-2439. Karen Johnson's primary practice is Henderson Family Eye Care in Henderson, Tennessee.
What is Karen Nicole Johnson's office phone number?
The practice phone on file for Karen Johnson is (731) 435-1275.
What is Karen Nicole Johnson's medical license number?
Karen Johnson holds Tennessee license 2742.
Does Karen Nicole Johnson accept Medicare?
Yes. CMS lists Karen Johnson as accepting Medicare assignment.
How many Medicare patients does Karen Nicole Johnson see?
CMS counts 140 Medicare patients who saw Karen Johnson in 2024, with an average age of 71.
Where did Karen Nicole Johnson go to medical school?
Karen Johnson graduated from Southern College of Optometry in 2007.
Has Karen Nicole Johnson received payments from drug or device companies?
CMS Open Payments shows $100 in general payments to Karen Johnson from 3 companies from 2025 to 2025. The largest total came from Mallinckrodt Hospital Products Inc.
How long has Karen Nicole Johnson been practicing?
Karen Johnson graduated from medical school in 2007, 19 years ago.
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