Michael V. Johnston, OD
- Medicare patients, 2024
- 357
- Part D claims, 2024
- 276
- Hospital affiliations
- 1
- Industry payments
- $26
- State license
- 1
- Practice address
- 1213 Garfield Avenue, Harlan, IA 51537
- Practice phone
- Call (712) 755-5161
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Michael Johnston'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.
Michael V. Johnston is an optometrist in Harlan, Iowa
Michael Johnston practices at Myrtue Medical Center in Harlan, Iowa, part of State of Iowa.
Michael Johnston's NPI, 1740367283, was assigned on November 1, 2006. Michael Johnston graduated from Southern College of Optometry in 1989. Michael Johnston holds Iowa license 01898.
- NPI
- 1740367283NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547224081
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (712) 755-5161
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Michael V. Johnston practices at Myrtue Medical Center in Harlan, Iowa
Michael Johnston's primary practice is Myrtue Medical Center, at 1213 Garfield Avenue, Harlan, IA 51537 in Shelby County. The practice phone is (712) 755-5161.
- Myrtue Medical Center1213 Garfield Avenue, Harlan, IA 51537 · Shelby CountyPhone(712) 755-5161
Source: Dmand AI Affiliation Data
Michael V. Johnston is affiliated with 2 sites of care
Michael Johnston's primary practice is Myrtue Medical Center in Harlan, Iowa, part of State of Iowa. Dmand AI also links Michael Johnston to 1 physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Michael V. Johnston's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Michael Johnston practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Myrtue Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across State of Iowa and 6.2K+ hospitals, with verified contacts in the same login.
Michael V. Johnston is one of 501 optometrists in Iowa
Optometrist is Michael Johnston's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Michael Johnston is licensed in Iowa.
Specialties and state licenses
- Optometrist, IowaPrimary
Optometrists near Michael Johnston
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
Michael V. Johnston treated 357 Medicare patients in 2024, average age 76
CMS counts 357 Medicare patients who saw Michael Johnston in 2024. The largest group is 65 to 74, with 152 patients. 68% of them have high blood pressure, and 65% have high cholesterol. 4% 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 Michael Johnston's median patient age at 70, with 54% women.
Michael Johnston's Medicare patients by age, 2024
Michael Johnston's Medicare patients by sex, 2024
- Women19555%
- Men16245%
Chronic conditions among Michael Johnston's Medicare patients, 2024
- High blood pressure68%
- High cholesterol65%
- Arthritis34%
- Diabetes23%
- Chronic kidney disease21%
- Anxiety20%
- Mood disorders19%
- Osteoporosis17%
Share of Medicare patients with each condition. A patient can have several.
Michael Johnston's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Michael V. Johnston wrote 276 Medicare Part D claims in 2024
In 2024, Michael Johnston wrote 276 Medicare Part D claims for 72 patients. 72% of them were for generic drugs.
Michael Johnston's Part D claims by kind of drug, 2024
- Generic199 claims72%
- Brand-name77 claims28%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Michael V. Johnston ranks in the 64th percentile for cataract surgery in Medicare
Michael Johnston accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 52 procedures of cataract surgery by Michael Johnston, more than 64% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Michael Johnston ranks in Medicare procedure volume
- Cataract surgery
- 64th percentile52 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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Michael V. Johnston received $26 in industry payments in 2025
CMS Open Payments shows 1 general payment to Michael Johnston from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $26.
Companies that paid Michael Johnston the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Michael V. Johnston graduated from Southern College of Optometry
Michael Johnston graduated from Southern College of Optometry in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Michael V. Johnston'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 DataDmand AI Org Hierarchy 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 Michael V. Johnston
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Michael V. Johnston's NPI number?
Michael V. Johnston's NPI number is 1740367283. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What does Michael V. Johnston specialize in?
Michael V. Johnston is an optometrist in Harlan, Iowa. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Michael V. Johnston practice?
Michael Johnston practices at 1213 Garfield Avenue, Harlan, IA 51537. Michael Johnston's primary practice is Myrtue Medical Center in Harlan, Iowa, part of State of Iowa. Dmand AI also links Michael Johnston to 1 physician office.
What is Michael V. Johnston's office phone number?
The practice phone on file for Michael Johnston is (712) 755-5161.
What is Michael V. Johnston's medical license number?
Michael Johnston holds Iowa license 01898.
Which hospitals is Michael V. Johnston affiliated with?
Michael Johnston practices at Myrtue Medical Center in Harlan, Iowa.
Does Michael V. Johnston accept Medicare?
Yes. CMS lists Michael Johnston as accepting Medicare assignment.
How many Medicare patients does Michael V. Johnston see?
CMS counts 357 Medicare patients who saw Michael Johnston in 2024, with an average age of 76.
Where did Michael V. Johnston go to medical school?
Michael Johnston graduated from Southern College of Optometry in 1989.
Has Michael V. Johnston received payments from drug or device companies?
CMS Open Payments shows $26 in general payments to Michael Johnston from 1 company from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Michael V. Johnston been practicing?
Michael Johnston graduated from medical school in 1989, 37 years ago.
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