Maryellen Johnson, FNP
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2025
- Practice address
- 420 West Morris Blvd., Ste. 400-H, Morristown, TN 37813
- Practice phone
- Call (423) 586-4545
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Healthstar Physicians
Mammography / Breast Imaging Center · Morristown, Tennessee
Find Maryellen 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.
Maryellen Johnson is a family nurse practitioner in Morristown, Tennessee
Maryellen Johnson practices at Healthstar Physicians in Morristown, Tennessee.
Maryellen Johnson's NPI, 1710860432, was assigned on July 29, 2025. Maryellen Johnson holds Tennessee license 39345.
- NPI
- 1710860432NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931690971
- NPI enumeration date
- July 29, 2025
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (423) 586-4545
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 27
- Medical school graduation
- 2025
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Maryellen Johnson practices at Healthstar Physicians in Morristown, Tennessee
Maryellen Johnson's primary practice is Healthstar Physicians, at 420 West Morris Blvd., Ste. 400-H, Morristown, TN 37813. The practice phone is (423) 586-4545.
- Healthstar Physicians420 West Morris Blvd., Ste. 400-H, Morristown, TN 37813Phone(423) 586-4545
Source: Dmand AI Affiliation Data
Maryellen Johnson is affiliated with 3 sites of care and 1 medical group
Maryellen Johnson's primary practice is Healthstar Physicians in Morristown, Tennessee. Maryellen Johnson is also affiliated with Greeneville Community Hospital. The medical group on file is HealthStar Physicians. Dmand AI also links Maryellen Johnson to 1 more group practice or clinic, named with a free account. Maryellen Johnson's employer is on file too: a breast imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Maryellen Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Maryellen Johnson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Healthstar Physicians | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Maryellen Johnson is one of 7,243 family nurse practitioners in Tennessee
Family is Maryellen Johnson's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Maryellen Johnson is licensed in Tennessee.
Specialties and state licenses
- Family nurse practitioner, TennesseePrimary
Family nurse practitioners near Maryellen Johnson
Counts of family nurse practitioners 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
Maryellen Johnson's patients have a median age of 68
Across all payers, Dmand AI patient panel data puts Maryellen Johnson's median patient age at 68, with 66% women.
Maryellen 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 68
Patient panel by sex, all payers
- Women66%
- Men34%
Source: Dmand AI Patient Panel Data
How Maryellen Johnson takes part in Medicare
Maryellen 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)
Sources for Maryellen 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 |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Maryellen 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 Maryellen Johnson's NPI number?
Maryellen Johnson's NPI number is 1710860432. It was assigned on July 29, 2025, and it is active in the NPI Registry.
What does Maryellen Johnson specialize in?
Maryellen Johnson is a family nurse practitioner in Morristown, Tennessee. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Maryellen Johnson practice?
Maryellen Johnson practices at 420 West Morris Blvd., Ste. 400-H, Morristown, TN 37813. Maryellen Johnson's primary practice is Healthstar Physicians in Morristown, Tennessee. Dmand AI also links Maryellen Johnson to 1 group practice or clinic.
What is Maryellen Johnson's office phone number?
The practice phone on file for Maryellen Johnson is (423) 586-4545.
What is Maryellen Johnson's medical license number?
Maryellen Johnson holds Tennessee license 39345.
Which hospitals is Maryellen Johnson affiliated with?
Maryellen Johnson is affiliated with Greeneville Community Hospital.
What medical group is Maryellen Johnson part of?
Maryellen Johnson is linked to HealthStar Physicians.
Does Maryellen Johnson accept Medicare?
Yes. CMS lists Maryellen Johnson as accepting Medicare assignment.
How long has Maryellen Johnson been practicing?
Maryellen Johnson graduated from medical school in 2025, 1 years ago.
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