Dr. Darlene G. Johnson, MD
- Medicare services, 2021
- 147
- Part D claims, 2021
- 949
- Industry payments
- $5,707
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 9220 S Pennsylvania Ave Ste B Suite B, Oklahoma City, OK 73159-6909
- Practice phone
- Call (405) 692-1331
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Joseph D Parkhurst - Primary Care - Oklahoma City
Primary care practice · Oklahoma City, Oklahoma
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. Darlene G. Johnson is a general practice physician in Oklahoma City, Oklahoma
Dr. Johnson practices at Joseph D Parkhurst - Primary Care - Oklahoma City in Oklahoma City, Oklahoma.
Dr. Johnson's NPI, 1104851815, was assigned on July 11, 2006. Dr. Johnson holds Oklahoma license 16599.
- NPI
- 1104851815NPI Registry (opens in a new tab)
- NPI enumeration date
- July 11, 2006
- NPI status
- Active
- Practice phone
- (405) 692-1331
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Darlene G. Johnson practices at Joseph D Parkhurst - Primary Care - Oklahoma City in Oklahoma City, Oklahoma
Dr. Johnson's primary practice is Joseph D Parkhurst - Primary Care - Oklahoma City, at 9220 S Pennsylvania Ave Ste B Suite B, Oklahoma City, OK 73159-6909. The practice phone is (405) 692-1331.
- Joseph D Parkhurst - Primary Care - Oklahoma City9220 S Pennsylvania Ave Ste B Suite B, Oklahoma City, OK 73159-6909Phone(405) 692-1331
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Darlene G. Johnson is affiliated with 1 site of care and 1 medical group
Dr. Johnson's primary practice is Joseph D Parkhurst - Primary Care - Oklahoma City in Oklahoma City, Oklahoma. Dmand AI also links Dr. Johnson to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Darlene G. 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 |
|---|---|
| Joseph D Parkhurst - Primary Care - Oklahoma City | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Darlene G. Johnson is one of 98 general practice physicians in Oklahoma
General practice is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Johnson is licensed in Oklahoma.
Specialties and state licenses
- General practice, OklahomaPrimary
General practice physicians near Dr. Johnson
Counts of general practice physicians 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. Darlene G. Johnson billed Medicare for 147 services in 2021
CMS data shows 147 Medicare services from Dr. Johnson across 2 procedure codes in 2021, all of them office visits. Medicare paid $7,437 for them. Every service was in an office.
Dr. Johnson's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 2772021: 14747%
- Tests and treatments
- 2020: 352021: 0100%
- Other services
- 2020: 512021: 0100%
Dr. Johnson compared with the Oklahoma median for general practice physicians, 2021
- Dr. Johnson
- Oklahoma median
- Medicare services
- 147vs 38462% below
- Part D claims
- 949vs 3043.1 times
Medians across 90 general practice physicians in Oklahoma with Dmand AI profiles that report each measure.
Dr. Johnson's most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Johnson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnson and other general practice physicians in Oklahoma.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Darlene G. Johnson's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 69, with 60% 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 69
Patient panel by sex, all payers
- Women60%
- Men33%
Source: Dmand AI Patient Panel Data
Dr. Darlene G. Johnson wrote 949 Medicare Part D claims in 2021
In 2021, Dr. Johnson wrote 949 Medicare Part D claims. They cover 38 drugs, with $36,005 in total drug cost. In 2020, CMS named 2,151 claims across 63 drugs.
Dr. Johnson's most prescribed drugs by claims, 2021
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, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 2,1512021: 94956%
Drugs named by CMS: 38 in 2021, 63 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Darlene G. Johnson received $5,707 in industry payments from 2016 to 2021
CMS Open Payments shows 348 general payments to Dr. Johnson from 31 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 97% of the total. AstraZeneca Pharmaceuticals LP paid the most, $1,404.
General payments to Dr. Johnson by program year, 2016 to 2021
General payments to Dr. Johnson by kind, 2016 to 2021
- Food and beverage$5,56397%
- Education$1443%
Companies that paid Dr. Johnson the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Darlene G. 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 | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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. Darlene G. 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. Darlene G. Johnson's NPI number?
Dr. Darlene G. Johnson's NPI number is 1104851815. It was assigned on July 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Darlene G. Johnson?
Dr. Darlene G. Johnson is a general practice physician in Oklahoma City, Oklahoma. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Darlene G. Johnson practice?
Dr. Johnson practices at 9220 S Pennsylvania Ave Ste B Suite B, Oklahoma City, OK 73159-6909. Dr. Johnson's primary practice is Joseph D Parkhurst - Primary Care - Oklahoma City in Oklahoma City, Oklahoma. Dmand AI also links Dr. Johnson to 1 medical group, and a free account names each one.
What is Dr. Darlene G. Johnson's office phone number?
The practice phone on file for Dr. Johnson is (405) 692-1331. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. Darlene G. Johnson's email address?
Dmand AI checks professional and personal email addresses for Dr. Johnson through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. Darlene G. Johnson's medical license number?
Dr. Johnson holds Oklahoma license 16599.
What medical group is Dr. Darlene G. Johnson part of?
Dmand AI links Dr. Johnson to 1 medical group. A free account names the group, with the clinicians and leaders there.
Does Dr. Darlene G. Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 147 services in 2021.
What services does Dr. Darlene G. Johnson bill to Medicare?
In 2021, Dr. Johnson's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).
What drugs does Dr. Darlene G. Johnson prescribe most?
In 2021 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Atorvastatin Calcium, Metformin HCl and Levothyroxine Sodium.
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Has Dr. Darlene G. Johnson received payments from drug or device companies?
CMS Open Payments shows $5,707 in general payments to Dr. Johnson from 31 companies from 2016 to 2021. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Darlene G. Johnson been practicing?
Dr. Johnson's NPI was assigned in 2006.
What EHR does Dr. Darlene G. Johnson's practice use?
Dmand AI tracks the EHR system at Joseph D Parkhurst - Primary Care - Oklahoma City and at 1 medical group. The vendor and product are available with a free Dmand AI account.
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