Gregory W. Johnson, NP
- Medicare patients, 2024
- 104
- Part D claims, 2024
- 131
- Hospital affiliations
- 2
- Industry payments
- $42
- Medical groups
- 2
- Practice address
- 1719 E 19th Ave, Denver, CO 80218
- Practice phone
- Call (303) 839-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Gregory 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.
Gregory W. Johnson is an acute care nurse practitioner in Denver, Colorado
Gregory Johnson practices at HCA HealthONE Presbyterian St. Luke's in Denver, Colorado, part of HCA Healthcare.
Gregory Johnson's NPI, 1780213405, was assigned on April 4, 2020. Gregory Johnson holds Colorado license APN.0995720-NP.
- NPI
- 1780213405NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921417619
- NPI enumeration date
- April 4, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (303) 839-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Gregory W. Johnson practices at HCA HealthONE Presbyterian St. Luke's in Denver, Colorado
Gregory Johnson's primary practice is HCA HealthONE Presbyterian St. Luke's, at 1719 E 19th Ave, Denver, CO 80218 in Denver County. The practice phone is (303) 839-6000.
- HCA HealthONE Presbyterian St. Luke's1719 E 19th Ave, Denver, CO 80218 · Denver CountyPhone(303) 839-6000
Source: Dmand AI Affiliation Data
Gregory W. Johnson is affiliated with 2 sites of care and 2 medical groups
Gregory Johnson's primary practice is HCA HealthONE Presbyterian St. Luke's in Denver, Colorado, part of HCA Healthcare. The medical group on file is HCA HealthONE Physicians. Dmand AI also links Gregory Johnson to 1 more hospital and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Gregory W. Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Johnson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| HCA HealthONE Presbyterian St. Luke's | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Gregory W. Johnson is one of 318 acute care nurse practitioners in Colorado
Acute care is Gregory Johnson's primary specialty in the NPI Registry, under taxonomy code 363LA2100X. Gregory Johnson is licensed in Colorado.
Specialties and state licenses
- Acute care nurse practitioner, ColoradoPrimary
Acute care nurse practitioners near Gregory Johnson
Counts of acute care nurse practitioners 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
Gregory W. Johnson treated 104 Medicare patients in 2024, average age 71
CMS counts 104 Medicare patients who saw Gregory Johnson in 2024. The largest group is 65 to 74, with 66 patients. 75% of them have high blood pressure, and 67% have high cholesterol. Their average risk score is 2.74, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Gregory Johnson's median patient age at 68, with 41% women.
Gregory Johnson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Gregory Johnson's Medicare patients by sex, 2024
- Women3736%
- Men6764%
Chronic conditions among Gregory Johnson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol67%
- Arthritis47%
- Ischemic heart disease39%
- Anxiety38%
- Chronic kidney disease38%
- Mood disorders34%
- Atrial fibrillation33%
Share of Medicare patients with each condition. A patient can have several.
Gregory 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 68
Patient panel by sex, all payers
- Women41%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Gregory W. Johnson wrote 131 Medicare Part D claims in 2024
In 2024, Gregory Johnson wrote 131 Medicare Part D claims for 43 patients. 74% of them were for generic drugs.
Gregory Johnson's Part D claims by kind of drug, 2024
- Generic97 claims74%
- Brand-name and other34 claims26%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Gregory W. Johnson takes part in Medicare
Gregory Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Gregory W. Johnson received $42 in industry payments in 2025
CMS Open Payments shows 2 general payments to Gregory Johnson from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Incyte Corporation paid the most, $23.
Companies that paid Gregory Johnson the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Gregory W. 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 Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Gregory W. 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 Gregory W. Johnson's NPI number?
Gregory W. Johnson's NPI number is 1780213405. It was assigned on April 4, 2020, and it is active in the NPI Registry.
What does Gregory W. Johnson specialize in?
Gregory W. Johnson is an acute care nurse practitioner in Denver, Colorado. The primary specialty in the NPI Registry is Acute Care Nurse Practitioner (taxonomy code 363LA2100X).
Where does Gregory W. Johnson practice?
Gregory Johnson practices at 1719 E 19th Ave, Denver, CO 80218. Gregory Johnson's primary practice is HCA HealthONE Presbyterian St. Luke's in Denver, Colorado, part of HCA Healthcare. Dmand AI also links Gregory Johnson to 1 hospital and 1 medical group.
What is Gregory W. Johnson's office phone number?
The practice phone on file for Gregory Johnson is (303) 839-6000.
What is Gregory W. Johnson's medical license number?
Gregory Johnson holds Colorado license APN.0995720-NP.
Which hospitals is Gregory W. Johnson affiliated with?
Gregory Johnson practices at HCA HealthONE Presbyterian St. Luke's in Denver, Colorado. Dmand AI links Gregory Johnson to 1 more hospital.
What medical group is Gregory W. Johnson part of?
Gregory Johnson is linked to HCA HealthONE Physicians. Dmand AI links Gregory Johnson to 1 more medical group.
Does Gregory W. Johnson accept Medicare?
Yes. CMS lists Gregory Johnson as accepting Medicare assignment.
How many Medicare patients does Gregory W. Johnson see?
CMS counts 104 Medicare patients who saw Gregory Johnson in 2024, with an average age of 71.
Has Gregory W. Johnson received payments from drug or device companies?
CMS Open Payments shows $42 in general payments to Gregory Johnson from 2 companies from 2025 to 2025. The largest total came from Incyte Corporation.
How long has Gregory W. Johnson been practicing?
Gregory Johnson graduated from medical school in 2020, 6 years ago.
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