Allison Elli Johnson, PA-C
- Medicare patients, 2024
- 31
- Part D claims, 2024
- 81
- Hospital affiliations
- 5
- Industry payments
- $475
- Medical group
- 1
- Practice address
- 901 Patients First Dr, Washington, MO 63090
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mercy Hospital St Louis - Oncology and Hematology Patients First - HOPD
Acute Care Hospital outpatient department · Washington, Missouri
Find Allison 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.
Allison Elli Johnson is a physician assistant in Washington, Missouri
Allison Johnson practices at Mercy Hospital St Louis - Oncology and Hematology Patients First - HOPD in Washington, Missouri.
Allison Johnson's NPI, 1982466934, was assigned on January 25, 2024. Allison Johnson holds Missouri license 2024000078.
- NPI
- 1982466934NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830539675
- NPI enumeration date
- January 25, 2024
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Allison Elli Johnson practices at Mercy Hospital St Louis - Oncology and Hematology Patients First - HOPD in Washington, Missouri
Allison Johnson's primary practice is Mercy Hospital St Louis - Oncology and Hematology Patients First - HOPD, at 901 Patients First Dr, Washington, MO 63090.
- Mercy Hospital St Louis - Oncology and Hematology Patients First - HOPD901 Patients First Dr, Washington, MO 63090
Source: Dmand AI Affiliation Data
Allison Elli Johnson is affiliated with 8 sites of care and 1 medical group
Allison Johnson's primary practice is Mercy Hospital St Louis - Oncology and Hematology Patients First - HOPD in Washington, Missouri. Allison Johnson is also affiliated with Mercy Hospital Washington. The medical group on file is Mercy Clinic Urology - Patients First Drive. Dmand AI also links Allison Johnson to 4 more hospitals, 1 group practice or clinic and 1 hospital outpatient department, each named with a free account. Allison Johnson's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Allison Elli Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Allison Johnson practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital St Louis - Oncology and Hematology Patients First - HOPD | Available with a free account |
| +7 more affiliated sites | 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.
Allison Elli Johnson is one of 1,484 physician assistants in Missouri
Physician assistant is Allison Johnson's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Allison Johnson is licensed in Missouri.
Specialties and state licenses
- Physician assistant, MissouriPrimary
Physician assistants near Allison Johnson
Counts of 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
Allison Elli Johnson treated 31 Medicare patients in 2024, average age 75
CMS counts 31 Medicare patients who saw Allison Johnson in 2024. The largest group is 75 to 84, with 15 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.40, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Allison Johnson's median patient age at 72, with 26% women.
Allison Johnson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Allison Johnson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Ischemic heart disease45%
- Cancer42%
- Chronic kidney disease42%
Share of Medicare patients with each condition. A patient can have several.
Allison 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 72
Patient panel by sex, all payers
- Women26%
- Men74%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Allison Elli Johnson wrote 81 Medicare Part D claims in 2024
In 2024, Allison Johnson wrote 81 Medicare Part D claims for 51 patients. 94% of them were for generic drugs.
Allison Johnson's Part D claims by kind of drug, 2024
- Generic76 claims94%
- Brand-name and other5 claims6%
Drug classes CMS tracks in Allison Johnson's Part D claims, 2024
- Antibiotics59%48 of 81 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Allison Elli Johnson offers telehealth to Medicare patients
Allison Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Allison Johnson as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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.
Allison Elli Johnson received $475 in industry payments in 2025
CMS Open Payments shows 15 general payments to Allison Johnson from 9 drug and device companies in 2025. Food and beverage make up the largest share, 79% of the total. Janssen Pharmaceuticals, Inc paid the most, $172.
General payments to Allison Johnson by kind, 2025 to 2025
- Food and beverage$37579%
- Education$10021%
Companies that paid Allison 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 Allison Elli 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) |
| 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 Allison Elli 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 Allison Elli Johnson's NPI number?
Allison Elli Johnson's NPI number is 1982466934. It was assigned on January 25, 2024, and it is active in the NPI Registry.
What does Allison Elli Johnson specialize in?
Allison Elli Johnson is a physician assistant in Washington, Missouri. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Allison Elli Johnson practice?
Allison Johnson practices at 901 Patients First Dr, Washington, MO 63090. Allison Johnson's primary practice is Mercy Hospital St Louis - Oncology and Hematology Patients First - HOPD in Washington, Missouri. Dmand AI also links Allison Johnson to 4 hospitals, 1 group practice or clinic and 1 hospital outpatient department.
What is Allison Elli Johnson's medical license number?
Allison Johnson holds Missouri license 2024000078.
Which hospitals is Allison Elli Johnson affiliated with?
Allison Johnson is affiliated with Mercy Hospital Washington. Dmand AI links Allison Johnson to 4 more hospitals.
What medical group is Allison Elli Johnson part of?
Allison Johnson is linked to Mercy Clinic Urology - Patients First Drive.
Does Allison Elli Johnson accept Medicare?
Yes. CMS lists Allison Johnson as accepting Medicare assignment.
Does Allison Elli Johnson offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Allison Johnson as offering telehealth services.
How many Medicare patients does Allison Elli Johnson see?
CMS counts 31 Medicare patients who saw Allison Johnson in 2024, with an average age of 75.
Has Allison Elli Johnson received payments from drug or device companies?
CMS Open Payments shows $475 in general payments to Allison Johnson from 9 companies from 2025 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Allison Elli Johnson been practicing?
Allison Johnson graduated from medical school in 2023, 3 years ago.
Selling to physician assistant practices?
See physician assistants in Missouri 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