Dr. Matthew Girard Johnson, MD
- Part D claims, 2016
- 172
- Publications
- 4
- Industry payments
- $191
- State license
- 1
- Year NPI issued
- 2008
- Practice address
- 700 Nw 47th St, Oklahoma City, OK 73118-6617
- Practice phone
- Call (405) 271-4060
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
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. Matthew Girard Johnson is an internist in Oklahoma City, Oklahoma
Dr. Johnson practices in Oklahoma City, Oklahoma.
Dr. Johnson's NPI, 1740456839, was assigned on May 8, 2008. Dr. Johnson holds New York license 260514-1.
- NPI
- 1740456839NPI Registry (opens in a new tab)
- NPI enumeration date
- May 8, 2008
- NPI status
- Active
- Practice phone
- (405) 271-4060
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Matthew Girard Johnson's practice address is in Oklahoma City, Oklahoma
Dr. Johnson's practice address in the NPI Registry is 700 Nw 47th St, Oklahoma City, OK 73118-6617. The practice phone is (405) 271-4060.
- NPI Registry address700 Nw 47th St, Oklahoma City, OK 73118-6617Phone(405) 271-4060
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Matthew Girard 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 |
|---|---|
| Dr. Johnson's practice | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Matthew Girard Johnson is one of 1,018 internists in Oklahoma
Internal medicine is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Johnson is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Johnson
Counts of internists 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. Matthew Girard Johnson wrote 172 Medicare Part D claims in 2016
In 2016, Dr. Johnson wrote 172 Medicare Part D claims. They cover 8 drugs, with $230,395 in total drug cost.
Dr. Johnson's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Matthew Girard Johnson has 4 publications on record
Dmand AI links 4 papers to Dr. Johnson, published from 2013 to 2015. The most frequent topics are Oklahoma. Dr. Johnson's most frequent co-author is Charles Francis Harvey, DO.
Topics Dr. Johnson writes about most
- Oklahoma
Dr. Johnson's most frequent co-authors
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 internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Matthew Girard Johnson received $191 in industry payments from 2019 to 2023
CMS Open Payments shows 2 general payments to Dr. Johnson from 2 drug and device companies from 2019 to 2023. Education make up the largest share, 52% of the total. Janssen Pharmaceuticals, Inc paid the most, $100.
General payments to Dr. Johnson by program year, 2019 to 2023
General payments to Dr. Johnson by kind, 2019 to 2023
- Education$10052%
- Food and beverage$9148%
Companies that paid Dr. Johnson the most, 2019 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Matthew Girard 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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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) |
| 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. Matthew Girard 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. Matthew Girard Johnson's NPI number?
Dr. Matthew Girard Johnson's NPI number is 1740456839. It was assigned on May 8, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew Girard Johnson?
Dr. Matthew Girard Johnson is an internist in Oklahoma City, Oklahoma. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Matthew Girard Johnson practice?
Dr. Johnson practices at 700 Nw 47th St, Oklahoma City, OK 73118-6617.
What is Dr. Matthew Girard Johnson's office phone number?
The practice phone on file for Dr. Johnson is (405) 271-4060.
What is Dr. Matthew Girard Johnson's medical license number?
Dr. Johnson holds New York license 260514-1.
What drugs does Dr. Matthew Girard Johnson prescribe most?
In 2016 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Atripla, Truvada and Norvir.
Has Dr. Matthew Girard Johnson received payments from drug or device companies?
CMS Open Payments shows $191 in general payments to Dr. Johnson from 2 companies from 2019 to 2023. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Matthew Girard Johnson been practicing?
Dr. Johnson's NPI was assigned in 2008.
Does Dr. Matthew Girard Johnson do research?
Dmand AI links 4 publications to Dr. Johnson, published from 2013 to 2015.
Who does Dr. Matthew Girard Johnson publish with?
Dr. Johnson's most frequent co-authors are Charles Francis Harvey, DO (1 shared paper).
Selling to internal medicine practices?
See internists in Oklahoma by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card