Courtney A. Johnson, PA-C
- Medicare patients, 2024
- 83
- Part D claims, 2024
- 19
- Hospital affiliations
- 3
- Industry payments
- $38
- Medical groups
- 4
- Practice address
- 47601 Grand River Ave, Novi, MI 48374
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St John Hospital and Medical Center - Assarian Cancer Center - HOPD
Acute Care Hospital outpatient department · Novi, Michigan
Find Courtney 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.
Courtney A. Johnson is a surgical physician assistant in Novi, Michigan
Courtney Johnson practices at St John Hospital and Medical Center - Assarian Cancer Center - HOPD in Novi, Michigan.
Courtney Johnson's NPI, 1902102700, was assigned on January 27, 2011. Courtney Johnson graduated from Yale University School of Medicine in 2010.
- NPI
- 1902102700NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729263272
- NPI enumeration date
- January 27, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Courtney A. Johnson practices at St John Hospital and Medical Center - Assarian Cancer Center - HOPD in Novi, Michigan
Courtney Johnson's primary practice is St John Hospital and Medical Center - Assarian Cancer Center - HOPD, at 47601 Grand River Ave, Novi, MI 48374.
- St John Hospital and Medical Center - Assarian Cancer Center - HOPD47601 Grand River Ave, Novi, MI 48374
Source: Dmand AI Affiliation Data
Courtney A. Johnson is affiliated with 6 sites of care and 4 medical groups
Courtney Johnson's primary practice is St John Hospital and Medical Center - Assarian Cancer Center - HOPD in Novi, Michigan. Courtney Johnson is also affiliated with Corewell Health Beaumont Troy Hospital. The medical group on file is Southfield Radiology Associates. Dmand AI also links Courtney Johnson to 2 more hospitals, 3 medical groups, 1 clinical lab and 1 group practice or clinic, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Courtney A. Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Courtney Johnson practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St John Hospital and Medical Center - Assarian Cancer Center - HOPD | Available with a free account |
| +5 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Courtney A. Johnson is one of 248 surgical physician assistants in Michigan
Surgical is Courtney Johnson's primary specialty in the NPI Registry, under taxonomy code 363AS0400X.
Specialties and state licenses
- Surgical physician assistantPrimary
Surgical physician assistants near Courtney Johnson
Counts of surgical physician assistants 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
Courtney A. Johnson treated 83 Medicare patients in 2024, average age 70
CMS counts 83 Medicare patients who saw Courtney Johnson in 2024. The largest group is 75 to 84, with 29 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 51% are also on Medicaid. Their average risk score is 5.34, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Courtney Johnson's median patient age at 74, with 40% women.
Courtney Johnson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Courtney Johnson's Medicare patients by sex, 2024
- Women4251%
- Men4149%
Chronic conditions among Courtney Johnson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease70%
- Diabetes65%
- Heart failure64%
- Ischemic heart disease52%
- Arthritis42%
- Atrial fibrillation39%
Share of Medicare patients with each condition. A patient can have several.
Courtney 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 74
Patient panel by sex, all payers
- Women40%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Courtney A. Johnson wrote 19 Medicare Part D claims in 2024
In 2024, Courtney Johnson wrote 19 Medicare Part D claims for 15 patients. 100% of them were for generic drugs.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Courtney A. Johnson takes part in Medicare
Courtney 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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Courtney A. Johnson received $38 in industry payments in 2025
CMS Open Payments shows 2 general payments to Courtney Johnson from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Teleflex LLC paid the most, $19.
Companies that paid Courtney 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
Courtney A. Johnson graduated from Yale University School of Medicine
Courtney Johnson graduated from Yale University School of Medicine in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Courtney A. 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 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Courtney A. 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 Courtney A. Johnson's NPI number?
Courtney A. Johnson's NPI number is 1902102700. It was assigned on January 27, 2011, and it is active in the NPI Registry.
What does Courtney A. Johnson specialize in?
Courtney A. Johnson is a surgical physician assistant in Novi, Michigan. The primary specialty in the NPI Registry is Surgical Physician Assistant (taxonomy code 363AS0400X).
Where does Courtney A. Johnson practice?
Courtney Johnson practices at 47601 Grand River Ave, Novi, MI 48374. Courtney Johnson's primary practice is St John Hospital and Medical Center - Assarian Cancer Center - HOPD in Novi, Michigan. Dmand AI also links Courtney Johnson to 2 hospitals, 3 medical groups, 1 clinical lab and 1 group practice or clinic.
Which hospitals is Courtney A. Johnson affiliated with?
Courtney Johnson is affiliated with Corewell Health Beaumont Troy Hospital. Dmand AI links Courtney Johnson to 2 more hospitals.
What medical group is Courtney A. Johnson part of?
Courtney Johnson is linked to Southfield Radiology Associates. Dmand AI links Courtney Johnson to 3 more medical groups.
Does Courtney A. Johnson accept Medicare?
Yes. CMS lists Courtney Johnson as accepting Medicare assignment.
How many Medicare patients does Courtney A. Johnson see?
CMS counts 83 Medicare patients who saw Courtney Johnson in 2024, with an average age of 70.
Where did Courtney A. Johnson go to medical school?
Courtney Johnson graduated from Yale University School of Medicine in 2010.
Has Courtney A. Johnson received payments from drug or device companies?
CMS Open Payments shows $38 in general payments to Courtney Johnson from 2 companies from 2025 to 2025. The largest total came from Teleflex LLC.
How long has Courtney A. Johnson been practicing?
Courtney Johnson graduated from medical school in 2010, 16 years ago.
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