Emma K. Johnson, PA-C
- Part D claims, 2024
- 1,126
- MIPS score, 2024
- 94
- Hospital affiliations
- 1
- Industry payments
- $56
- Medical group
- 1
- Practice address
- 300 West Hutchings Street, Winterset, IA 50273
- Practice phone
- Call (515) 462-2373
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Emma 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.
Emma K. Johnson is a physician assistant in Winterset, Iowa
Emma Johnson practices at Madison County Memorial Hospital in Winterset, Iowa, part of State of Iowa.
Emma Johnson's NPI, 1447744362, was assigned on June 15, 2018. Emma Johnson graduated from University of Wisconsin School of Medicine in 2018. Emma Johnson holds Iowa license 092432.
- NPI
- 1447744362NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335497783
- NPI enumeration date
- June 15, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (515) 462-2373
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Emma K. Johnson practices at Madison County Memorial Hospital in Winterset, Iowa
Emma Johnson's primary practice is Madison County Memorial Hospital, at 300 West Hutchings Street, Winterset, IA 50273 in Madison County. The practice phone is (515) 462-2373.
- Madison County Memorial Hospital300 West Hutchings Street, Winterset, IA 50273 · Madison CountyPhone(515) 462-2373
Source: Dmand AI Affiliation Data
Emma K. Johnson is affiliated with 3 sites of care and 1 medical group
Emma Johnson's primary practice is Madison County Memorial Hospital in Winterset, Iowa, part of State of Iowa. The medical group on file is Health Trust Physicians Clinic. Dmand AI also links Emma Johnson to 1 more breast imaging center and 1 urgent care center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Emma K. Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Emma Johnson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Madison County Memorial Hospital | Available with a free account |
| +2 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 State of Iowa and 6.2K+ hospitals, with verified contacts in the same login.
Emma K. Johnson is one of 1,210 physician assistants in Iowa
Physician assistant is Emma Johnson's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Emma Johnson is licensed in Iowa.
Specialties and state licenses
- Physician assistant, IowaPrimary
Physician assistants near Emma 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
Emma K. Johnson's patients have a median age of 40
Across all payers, Dmand AI patient panel data puts Emma Johnson's median patient age at 40, with 62% women.
Emma 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 40
Patient panel by sex, all payers
- Women62%
- Men38%
Source: Dmand AI Patient Panel Data
Emma K. Johnson wrote 1,126 Medicare Part D claims in 2024
In 2024, Emma Johnson wrote 1,126 Medicare Part D claims for 246 patients. 91% of them were for generic drugs.
Emma Johnson's Part D claims by kind of drug, 2024
- Generic1,023 claims91%
- Brand-name103 claims9%
Drug classes CMS tracks in Emma Johnson's Part D claims, 2024
- Opioids4%41 of 1,126 claims
- Antibiotics8%89 of 1,126 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
Emma K. Johnson scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Emma Johnson for performance year 2024, reported through an alternative payment model (APM). Emma Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Emma Johnson's MIPS scores, performance year 2024
- 94of 100Final score
- 80.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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.
Emma K. Johnson received $56 in industry payments in 2025
CMS Open Payments shows 2 general payments to Emma Johnson from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Inspire Medical Systems, Inc. paid the most, $42.
Companies that paid Emma 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
Emma K. Johnson graduated from University of Wisconsin School of Medicine
Emma Johnson graduated from University of Wisconsin School of Medicine in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Emma K. 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 Data |
| 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)Clinician Public Reporting: Overall MIPS Performance (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 Emma K. 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 Emma K. Johnson's NPI number?
Emma K. Johnson's NPI number is 1447744362. It was assigned on June 15, 2018, and it is active in the NPI Registry.
What does Emma K. Johnson specialize in?
Emma K. Johnson is a physician assistant in Winterset, Iowa. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Emma K. Johnson practice?
Emma Johnson practices at 300 West Hutchings Street, Winterset, IA 50273. Emma Johnson's primary practice is Madison County Memorial Hospital in Winterset, Iowa, part of State of Iowa. Dmand AI also links Emma Johnson to 1 breast imaging center and 1 urgent care center.
What is Emma K. Johnson's office phone number?
The practice phone on file for Emma Johnson is (515) 462-2373.
What is Emma K. Johnson's medical license number?
Emma Johnson holds Iowa license 092432.
Which hospitals is Emma K. Johnson affiliated with?
Emma Johnson practices at Madison County Memorial Hospital in Winterset, Iowa.
What medical group is Emma K. Johnson part of?
Emma Johnson is linked to Health Trust Physicians Clinic.
Does Emma K. Johnson accept Medicare?
Yes. CMS lists Emma Johnson as accepting Medicare assignment.
What is Emma K. Johnson's MIPS score?
Emma Johnson's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).
Where did Emma K. Johnson go to medical school?
Emma Johnson graduated from University of Wisconsin School of Medicine in 2018.
Has Emma K. Johnson received payments from drug or device companies?
CMS Open Payments shows $56 in general payments to Emma Johnson from 2 companies from 2025 to 2025. The largest total came from Inspire Medical Systems, Inc.
How long has Emma K. Johnson been practicing?
Emma Johnson graduated from medical school in 2018, 8 years ago.
Selling to physician assistant practices?
See physician assistants in Iowa 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