Dr. Douglas R. Johnson, DO
- Medicare services, 2018
- 16
- Part D claims, 2023
- 837
- Industry payments
- $19
- Medical group
- 1
- State license
- 1
- Practice address
- 1 Genesys Pkwy, Grand Blanc, MI 48439
- Practice phone
- Call (541) 902-1734
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Medical group
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. Douglas R. Johnson is an internist in Grand Blanc, Michigan
Dr. Johnson practices with PeaceHealth Internal Medicine, a medical group.
Dr. Johnson's NPI, 1649381740, was assigned on August 31, 2006. Dr. Johnson holds Oregon license DO150688.
- NPI
- 1649381740NPI Registry (opens in a new tab)
- NPI enumeration date
- August 31, 2006
- NPI status
- Active
- Practice phone
- (541) 902-1734
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Douglas R. Johnson's practice address is in Grand Blanc, Michigan
Dr. Johnson's practice address in the NPI Registry is 1 Genesys Pkwy, Grand Blanc, MI 48439, in Genesee County. The practice phone is (541) 902-1734.
- NPI Registry address1 Genesys Pkwy, Grand Blanc, MI 48439 · Genesee CountyPhone(541) 902-1734
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Douglas R. Johnson is affiliated with 1 medical group
Dr. Johnson is part of PeaceHealth Internal Medicine, a medical group in Florence, Oregon.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Douglas R. 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 |
|---|---|
| PeaceHealth Internal Medicine | 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 PeaceHealth Internal Medicine and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Douglas R. Johnson is one of 4,804 internists in Michigan
Internal medicine is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Johnson is licensed in Oregon.
Specialties and state licenses
- Internal medicine, OregonPrimary
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. Douglas R. Johnson billed Medicare for 16 services in 2018
CMS data shows 16 Medicare services from Dr. Johnson across 1 procedure code in 2018. Medicare paid $670 for them. Every service was in an office.
Dr. Johnson's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Other services
- 2017: 162018: 16No change
Dr. Johnson compared with the Michigan median for internists, 2018
- Dr. Johnson
- Michigan median
- Medicare services
- 16vs 42396% below
- Part D claims
- 837vs 3142.7 times
Medians across 4,524 internists in Michigan with Dmand AI profiles that report each measure.
Dr. Johnson's most billed Medicare procedure codes, 2018
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnson and other internists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Douglas R. Johnson's patients have a median age of 79
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 79, with 63% 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 79
Patient panel by sex, all payers
- Women63%
- Men37%
Source: Dmand AI Patient Panel Data
Dr. Douglas R. Johnson wrote 837 Medicare Part D claims in 2023
In 2023, Dr. Johnson wrote 837 Medicare Part D claims. They cover 33 drugs, with $38,466 in total drug cost. In 2022, CMS named 5,380 claims across 119 drugs.
Dr. Johnson's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 5,3802023: 83784%
Drugs named by CMS: 33 in 2023, 119 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Douglas R. Johnson received $19 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Johnson from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $19.
Companies that paid Dr. Johnson the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Douglas R. 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 | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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) |
| 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. Douglas R. 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. Douglas R. Johnson's NPI number?
Dr. Douglas R. Johnson's NPI number is 1649381740. It was assigned on August 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Douglas R. Johnson?
Dr. Douglas R. Johnson is an internist in Grand Blanc, Michigan. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Douglas R. Johnson practice?
Dr. Johnson practices at 1 Genesys Pkwy, Grand Blanc, MI 48439. Dr. Johnson's primary practice is PeaceHealth Internal Medicine, a medical group.
What is Dr. Douglas R. Johnson's office phone number?
The practice phone on file for Dr. Johnson is (541) 902-1734.
What is Dr. Douglas R. Johnson's medical license number?
Dr. Johnson holds Oregon license DO150688.
What medical group is Dr. Douglas R. Johnson part of?
Dr. Johnson is part of PeaceHealth Internal Medicine in Florence, Oregon.
Does Dr. Douglas R. Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 16 services in 2018.
What services does Dr. Douglas R. Johnson bill to Medicare?
In 2018, Dr. Johnson's most billed Medicare services were medicare service (G0180).
What drugs does Dr. Douglas R. Johnson prescribe most?
In 2023 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Atorvastatin Calcium, Gabapentin and Lisinopril.
Has Dr. Douglas R. Johnson received payments from drug or device companies?
CMS Open Payments shows $19 in general payments to Dr. Johnson from 1 company from 2017 to 2017. The largest total came from Pfizer Inc.
How long has Dr. Douglas R. Johnson been practicing?
Dr. Johnson's NPI was assigned in 2006.
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