GlaucomaHealth Care CostsMichigan
Dr. Leroy Johnson, MD
NPI1972880268
- Part D claims, 2024
- 168
- Publications
- 14
- Industry payments
- $198
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 2900 N Saginaw St, Flint, MI 48505
- Practice phone
- Call (810) 789-9141
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hamilton Community Health Network, Inc.
Flint, Michigan
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Dr. Leroy Johnson is an ophthalmologist in Flint, Michigan
Dr. Johnson practices at Hamilton Community Health Network, Inc. in Flint, Michigan.
Dr. Johnson's NPI, 1972880268, was assigned on November 15, 2011. Dr. Johnson graduated from Wayne State University School of Medicine in 1973. Dr. Johnson holds Michigan license 4301033852.
NPI and contact details
- NPI
- 1972880268NPI Registry (opens in a new tab)
- NPI enumeration date
- November 15, 2011
- NPI status
- Active
- Practice phone
- (810) 789-9141
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 79
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Leroy Johnson practices at Hamilton Community Health Network, Inc. in Flint, Michigan
Dr. Johnson's primary practice is Hamilton Community Health Network, Inc., at 2900 N Saginaw St, Flint, MI 48505 in Genesee County. The practice phone is (810) 789-9141.
- Hamilton Community Health Network, Inc.2900 N Saginaw St, Flint, MI 48505 · Genesee CountyPhone(810) 789-9141
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Leroy Johnson is affiliated with 2 sites of care and 1 medical group
Dr. Johnson's primary practice is Hamilton Community Health Network, Inc. in Flint, Michigan. The medical group on file is Hamilton Community Health Network. Dmand AI also links Dr. Johnson to 1 more community health center, named with a free account.
Hamilton Community Health Network, Inc.Primary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Leroy Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hamilton Community Health Network, Inc. | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Leroy Johnson is one of 653 ophthalmologists in Michigan
Ophthalmology is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Johnson is licensed in Michigan.
Specialties and state licenses
- Ophthalmology, MichiganPrimary
Ophthalmologists near Dr. Johnson
Counts of ophthalmologists 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
Dr. Leroy Johnson's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 65, with 53% women.
Dr. 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 65
Patient panel by sex, all payers
- Women53%
- Men47%
Source: Dmand AI Patient Panel Data
Dr. Leroy Johnson wrote 168 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 168 Medicare Part D claims for 57 patients. 82% of them were for generic drugs. CMS names the drug for 123 of them, across 3 drugs with 11 or more claims each, at $1,833 in total drug cost. In 2023, CMS named 154 claims across 4 drugs.
Part D claims, 2024168
Drugs named by CMS3
Total drug cost$1,833
Part D patients57
Dr. Johnson's Part D claims by kind of drug, 2024
- Generic137 claims82%
- Brand-name31 claims18%
Dr. Johnson's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1542024: 12320%
Drugs named by CMS: 3 in 2024, 4 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Leroy Johnson has 14 publications on record
Dmand AI links 14 papers to Dr. Johnson, published from 2022 to 2025. 2023 was the busiest year, with 4. The most frequent topics are Glaucoma, Michigan and Telemedicine. Dr. Johnson has published most often in J Glaucoma. Dr. Johnson's most frequent co-authors are Angela Renee Elam, MD, Amanda Kiely Bicket, MD and Denise Ann-Marie John, MD.
Papers14
Years published2022 to 2025
Dr. Johnson's papers by year, 2022 to 2025
Topics Dr. Johnson writes about most
- Glaucoma
- Michigan
- Telemedicine
- Intraocular Pressure
- Mass Screening
- Ocular Hypertension
- Refractive Errors
- Vision Disorders
Dr. Johnson's most frequent co-authors
- Angela Renee Elam, MD14 shared papers
- Amanda Kiely Bicket, MD12 shared papers
- Denise Ann-Marie John, MD10 shared papers
Recent publications by Dr. Johnson
GlaucomaIntraocular PressureNerve Fibers
GlaucomaHealth Services AccessibilityMass Screening
Am J Ophthalmol
CataractContrast SensitivityGlaucoma
See who Dr. Johnson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Johnson works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Leroy Johnson received $198 in industry payments in 2024
CMS Open Payments shows 9 general payments to Dr. Johnson from 7 drug and device companies in 2024. Food and beverage make up the largest share, 100% of the total. Alkermes, Inc. paid the most, $50.
Companies that paid Dr. Johnson the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leroy Johnson graduated from Wayne State University School of Medicine
Dr. Johnson graduated from Wayne State University School of Medicine in 1973.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Leroy 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 | 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 DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 Dr. Leroy 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 Dr. Leroy Johnson's NPI number?
Dr. Leroy Johnson's NPI number is 1972880268. It was assigned on November 15, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Leroy Johnson?
Dr. Leroy Johnson is an ophthalmologist in Flint, Michigan. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Leroy Johnson practice?
Dr. Johnson practices at 2900 N Saginaw St, Flint, MI 48505. Dr. Johnson's primary practice is Hamilton Community Health Network, Inc. in Flint, Michigan. Dmand AI also links Dr. Johnson to 1 community health center.
What is Dr. Leroy Johnson's office phone number?
The practice phone on file for Dr. Johnson is (810) 789-9141.
What is Dr. Leroy Johnson's medical license number?
Dr. Johnson holds Michigan license 4301033852.
What medical group is Dr. Leroy Johnson part of?
Dr. Johnson is linked to Hamilton Community Health Network.
Where did Dr. Leroy Johnson go to medical school?
Dr. Johnson graduated from Wayne State University School of Medicine in 1973.
What drugs does Dr. Leroy Johnson prescribe most?
In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Latanoprost, Timolol Maleate and Dorzolamide-Timolol.
Has Dr. Leroy Johnson received payments from drug or device companies?
CMS Open Payments shows $198 in general payments to Dr. Johnson from 7 companies from 2024 to 2024. The largest total came from Alkermes, Inc.
How long has Dr. Leroy Johnson been practicing?
Dr. Johnson graduated from medical school in 1973, 53 years ago.
Does Dr. Leroy Johnson do research?
Dmand AI links 14 publications to Dr. Johnson, published from 2022 to 2025.
Who does Dr. Leroy Johnson publish with?
Dr. Johnson's most frequent co-authors are Angela Renee Elam, MD (14 shared papers), Amanda Kiely Bicket, MD (12 shared papers) and Denise Ann-Marie John, MD (10 shared papers).
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