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Dr. Michael Johnson, MD
NPI1417310855
- Publications
- 1
- Industry payments
- $42
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 900 E Hamilton Ave, Campbell, CA 95008
- Practice phone
- Call (469) 466-7007
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Signify Health
Campbell, California
Find Dr. 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.
Dr. Michael Johnson is an ophthalmologist in Campbell, California
Dr. Johnson practices at Signify Health in Campbell, California.
Dr. Johnson's NPI, 1417310855, was assigned on April 2, 2016. Dr. Johnson holds Arizona license 45509.
NPI and contact details
- NPI
- 1417310855NPI Registry (opens in a new tab)
- NPI enumeration date
- April 2, 2016
- NPI status
- Active
- Practice phone
- (469) 466-7007
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Michael Johnson practices at Signify Health in Campbell, California
Dr. Johnson's primary practice is Signify Health, at 900 E Hamilton Ave, Campbell, CA 95008 in Santa Clara County. The practice phone is (469) 466-7007.
- Signify Health900 E Hamilton Ave, Campbell, CA 95008 · Santa Clara CountyPhone(469) 466-7007
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michael Johnson is affiliated with 2 sites of care and 1 medical group
Dr. Johnson's primary practice is Signify Health in Campbell, California. The medical group on file is Signify Health. Dmand AI also links Dr. Johnson to 1 more group practice or clinic, 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 Dr. Michael 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 |
|---|---|
| Signify Health | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Michael Johnson is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Johnson is licensed in Arizona.
Specialties and state licenses
- Ophthalmology, ArizonaPrimary
Ophthalmologists near Dr. Johnson
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
2,621ophthalmologists in California
9ophthalmologists in Campbell
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Michael Johnson's patients have a median age of 60
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 60, with 56% 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 60
Patient panel by sex, all payers
- Women56%
- Men42%
Source: Dmand AI Patient Panel Data
Dr. Michael Johnson has 1 publication on record
Dmand AI links 1 paper to Dr. Johnson in 2013.
Papers1
Recent publications by Dr. Johnson
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. Michael Johnson received $42 in industry payments from 2021 to 2024
CMS Open Payments shows 2 general payments to Dr. Johnson from 2 drug and device companies from 2021 to 2024. Food and beverage make up the largest share, 100% of the total. Astellas Pharma US Inc paid the most, $23.
General payments to Dr. Johnson by program year, 2021 to 2024
Companies that paid Dr. Johnson the most, 2021 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Michael 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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. Michael 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. Michael Johnson's NPI number?
Dr. Michael Johnson's NPI number is 1417310855. It was assigned on April 2, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Johnson?
Dr. Michael Johnson is an ophthalmologist in Campbell, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Michael Johnson practice?
Dr. Johnson practices at 900 E Hamilton Ave, Campbell, CA 95008. Dr. Johnson's primary practice is Signify Health in Campbell, California. Dmand AI also links Dr. Johnson to 1 group practice or clinic.
What is Dr. Michael Johnson's office phone number?
The practice phone on file for Dr. Johnson is (469) 466-7007.
What is Dr. Michael Johnson's medical license number?
Dr. Johnson holds Arizona license 45509.
What medical group is Dr. Michael Johnson part of?
Dr. Johnson is linked to Signify Health.
Has Dr. Michael Johnson received payments from drug or device companies?
CMS Open Payments shows $42 in general payments to Dr. Johnson from 2 companies from 2021 to 2024. The largest total came from Astellas Pharma US Inc.
How long has Dr. Michael Johnson been practicing?
Dr. Johnson's NPI was assigned in 2016.
Does Dr. Michael Johnson do research?
Dmand AI links 1 publication to Dr. Johnson.
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