Melissa Johnston, PA-C
- Part D claims, 2024
- 3,210
- Industry payments
- $459
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 1310 W Stewart Dr, Orange, CA 92868
- Practice phone
- Call (714) 997-4300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Plastic Surgery Associates of Orange County
Orange, California
Find Melissa Johnston'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.
Melissa Johnston is a physician assistant in Orange, California
Melissa Johnston practices at Plastic Surgery Associates of Orange County in Orange, California.
Melissa Johnston's NPI, 1578264982, was assigned on March 13, 2023. Melissa Johnston holds California license PA62285.
- NPI
- 1578264982NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244690204
- NPI enumeration date
- March 13, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 997-4300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Melissa Johnston practices at Plastic Surgery Associates of Orange County in Orange, California
Melissa Johnston's primary practice is Plastic Surgery Associates of Orange County, at 1310 W Stewart Dr, Orange, CA 92868 in Orange County. The practice phone is (714) 997-4300.
- Plastic Surgery Associates of Orange County1310 W Stewart Dr, Orange, CA 92868 · Orange CountyPhone(714) 997-4300
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Melissa Johnston is affiliated with 2 sites of care and 1 medical group
Melissa Johnston's primary practice is Plastic Surgery Associates of Orange County in Orange, California. The medical group on file is Kusum M. Ohri, MD. Dmand AI also links Melissa Johnston to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Melissa Johnston's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Melissa Johnston practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Plastic Surgery Associates of Orange County | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Melissa Johnston is one of 11,482 physician assistants in California
Physician assistant is Melissa Johnston's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Melissa Johnston is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Melissa Johnston
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
Melissa Johnston's patients have a median age of 63
Across all payers, Dmand AI patient panel data puts Melissa Johnston's median patient age at 63, with 75% women.
Melissa Johnston's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women75%
- Men25%
Source: Dmand AI Patient Panel Data
Melissa Johnston wrote 3,210 Medicare Part D claims in 2024
In 2024, Melissa Johnston wrote 3,210 Medicare Part D claims for 538 patients. 88% of them were for generic drugs.
Melissa Johnston's Part D claims by kind of drug, 2024
- Generic2,828 claims88%
- Brand-name370 claims12%
- Other12 claims0%
Drug classes CMS tracks in Melissa Johnston's Part D claims, 2024
- Opioids0%12 of 3,210 claims
- Antibiotics4%132 of 3,210 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
How Melissa Johnston takes part in Medicare
Melissa Johnston 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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Melissa Johnston received $459 in industry payments in 2025
CMS Open Payments shows 15 general payments to Melissa Johnston from 8 drug and device companies in 2025. Food and beverage make up the largest share, 62% of the total. Amgen Inc. paid the most, $255.
General payments to Melissa Johnston by kind, 2025 to 2025
- Food and beverage$28462%
- Consulting fees$17538%
Companies that paid Melissa Johnston 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 Melissa Johnston'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| 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 Melissa Johnston
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Melissa Johnston's NPI number?
Melissa Johnston's NPI number is 1578264982. It was assigned on March 13, 2023, and it is active in the NPI Registry.
What does Melissa Johnston specialize in?
Melissa Johnston is a physician assistant in Orange, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Melissa Johnston practice?
Melissa Johnston practices at 1310 W Stewart Dr, Orange, CA 92868. Melissa Johnston's primary practice is Plastic Surgery Associates of Orange County in Orange, California. Dmand AI also links Melissa Johnston to 1 group practice or clinic.
What is Melissa Johnston's office phone number?
The practice phone on file for Melissa Johnston is (714) 997-4300.
What is Melissa Johnston's medical license number?
Melissa Johnston holds California license PA62285.
What medical group is Melissa Johnston part of?
Melissa Johnston is linked to Kusum M. Ohri, MD.
Does Melissa Johnston accept Medicare?
Yes. CMS lists Melissa Johnston as accepting Medicare assignment.
Has Melissa Johnston received payments from drug or device companies?
CMS Open Payments shows $459 in general payments to Melissa Johnston from 8 companies from 2025 to 2025. The largest total came from Amgen Inc.
How long has Melissa Johnston been practicing?
Melissa Johnston graduated from medical school in 2022, 4 years ago.
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