Jessica Johnston
- Medicare patients, 2024
- 52
- Part D claims, 2024
- 548
- Hospital affiliations
- 1
- Industry payments
- $343
- Medical group
- 1
- Practice address
- 3070 Reidville Rd, Spartanburg, SC 29301-5642
- Practice phone
- Call (864) 576-5764
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Westside Internal Medicine
Primary care practice · Spartanburg, South Carolina
Find Jessica 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.
Jessica Johnston is a physician assistant in Spartanburg, South Carolina
Jessica Johnston practices at Westside Internal Medicine in Spartanburg, South Carolina.
Jessica Johnston's NPI, 1871281642, was assigned on April 28, 2023. Jessica Johnston holds South Carolina license 5376.
- NPI
- 1871281642NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2668903956
- NPI enumeration date
- April 28, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (864) 576-5764
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 28
- Medical school graduation
- 2024
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Jessica Johnston practices at Westside Internal Medicine in Spartanburg, South Carolina
Jessica Johnston's primary practice is Westside Internal Medicine, at 3070 Reidville Rd, Spartanburg, SC 29301-5642. The practice phone is (864) 576-5764.
- Westside Internal Medicine3070 Reidville Rd, Spartanburg, SC 29301-5642Phone(864) 576-5764
Source: Dmand AI Affiliation Data
Jessica Johnston is affiliated with 2 sites of care and 1 medical group
Jessica Johnston's primary practice is Westside Internal Medicine in Spartanburg, South Carolina. Jessica Johnston is also affiliated with Spartanburg Medical Center. The medical group on file is Westside Internal Medicine.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Jessica Johnston's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jessica Johnston practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Westside Internal Medicine | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Jessica Johnston is one of 1,888 physician assistants in South Carolina
Physician assistant is Jessica Johnston's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Jessica Johnston is licensed in South Carolina.
Specialties and state licenses
- Physician assistant, South CarolinaPrimary
Physician assistants near Jessica 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
Jessica Johnston treated 52 Medicare patients in 2024, average age 72
CMS counts 52 Medicare patients who saw Jessica Johnston in 2024. The largest group is 65 to 74, with 29 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.08, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Jessica Johnston's median patient age at 63, with 56% women.
Jessica Johnston's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Jessica Johnston's Medicare patients by sex, 2024
- Women3262%
- Men2038%
Chronic conditions among Jessica Johnston's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Chronic kidney disease50%
- Diabetes46%
- Anxiety40%
- Mood disorders29%
- COPD27%
Share of Medicare patients with each condition. A patient can have several.
Jessica 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
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Jessica Johnston wrote 548 Medicare Part D claims in 2024
In 2024, Jessica Johnston wrote 548 Medicare Part D claims for 119 patients. 90% of them were for generic drugs.
Jessica Johnston's Part D claims by kind of drug, 2024
- Generic492 claims90%
- Brand-name and other56 claims10%
Drug classes CMS tracks in Jessica Johnston's Part D claims, 2024
- Opioids17%91 of 548 claims
- Antibiotics5%28 of 548 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 Jessica Johnston takes part in Medicare
Jessica 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)
For MedTech and pharma teams
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Jessica Johnston received $343 in industry payments in 2025
CMS Open Payments shows 17 general payments to Jessica Johnston from 9 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Bayer HealthCare Pharmaceuticals Inc. paid the most, $87.
Companies that paid Jessica 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 Jessica 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 | 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 Jessica 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 Jessica Johnston's NPI number?
Jessica Johnston's NPI number is 1871281642. It was assigned on April 28, 2023, and it is active in the NPI Registry.
What does Jessica Johnston specialize in?
Jessica Johnston is a physician assistant in Spartanburg, South Carolina. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Jessica Johnston practice?
Jessica Johnston practices at 3070 Reidville Rd, Spartanburg, SC 29301-5642. Jessica Johnston's primary practice is Westside Internal Medicine in Spartanburg, South Carolina.
What is Jessica Johnston's office phone number?
The practice phone on file for Jessica Johnston is (864) 576-5764.
What is Jessica Johnston's medical license number?
Jessica Johnston holds South Carolina license 5376.
Which hospitals is Jessica Johnston affiliated with?
Jessica Johnston is affiliated with Spartanburg Medical Center.
What medical group is Jessica Johnston part of?
Jessica Johnston is linked to Westside Internal Medicine.
Does Jessica Johnston accept Medicare?
Yes. CMS lists Jessica Johnston as accepting Medicare assignment.
How many Medicare patients does Jessica Johnston see?
CMS counts 52 Medicare patients who saw Jessica Johnston in 2024, with an average age of 72.
Has Jessica Johnston received payments from drug or device companies?
CMS Open Payments shows $343 in general payments to Jessica Johnston from 9 companies from 2025 to 2025. The largest total came from Bayer HealthCare Pharmaceuticals Inc.
How long has Jessica Johnston been practicing?
Jessica Johnston graduated from medical school in 2024, 2 years ago.
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