Stephanie Johnston, MSW
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2016
- Practice address
- 15701 Crabbs Branch Way, Derwood, MD 20855
- Practice phone
- Call (301) 251-8965
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Willow Oak Therapy Center, Inc.
Derwood, Maryland
Find Stephanie 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.
Stephanie Johnston is a social worker in Derwood, Maryland
Stephanie Johnston practices at Willow Oak Therapy Center, Inc. in Derwood, Maryland.
Stephanie Johnston's NPI, 1194171983, was assigned on May 11, 2016. Stephanie Johnston holds Maryland license 28737.
- NPI
- 1194171983NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749663557
- NPI enumeration date
- May 11, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (301) 251-8965
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Stephanie Johnston practices at Willow Oak Therapy Center, Inc. in Derwood, Maryland
Stephanie Johnston's primary practice is Willow Oak Therapy Center, Inc., at 15701 Crabbs Branch Way, Derwood, MD 20855 in Montgomery County. The practice phone is (301) 251-8965.
- Willow Oak Therapy Center, Inc.15701 Crabbs Branch Way, Derwood, MD 20855 · Montgomery CountyPhone(301) 251-8965
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Stephanie Johnston is affiliated with 2 sites of care and 1 medical group
Stephanie Johnston's primary practice is Willow Oak Therapy Center, Inc. in Derwood, Maryland. The medical group on file is Willow Oak Therapy Center. Dmand AI also links Stephanie 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 Stephanie Johnston's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Stephanie Johnston practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Willow Oak Therapy Center, Inc. | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Stephanie Johnston is one of 800 social workers in Maryland
Social worker is Stephanie Johnston's primary specialty in the NPI Registry, under taxonomy code 104100000X. Stephanie Johnston is licensed in Maryland.
Specialties and state licenses
- Social worker, MarylandPrimary
Social workers near Stephanie Johnston
Counts of social workers 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
Stephanie Johnston's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Stephanie Johnston's median patient age at 65, with 100% women.
Stephanie 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 65
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
How Stephanie Johnston takes part in Medicare
Stephanie 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)
Sources for Stephanie 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 |
| 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 Stephanie 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 Stephanie Johnston's NPI number?
Stephanie Johnston's NPI number is 1194171983. It was assigned on May 11, 2016, and it is active in the NPI Registry.
What does Stephanie Johnston specialize in?
Stephanie Johnston is a social worker in Derwood, Maryland. The primary specialty in the NPI Registry is Social Worker (taxonomy code 104100000X).
Where does Stephanie Johnston practice?
Stephanie Johnston practices at 15701 Crabbs Branch Way, Derwood, MD 20855. Stephanie Johnston's primary practice is Willow Oak Therapy Center, Inc. in Derwood, Maryland. Dmand AI also links Stephanie Johnston to 1 group practice or clinic.
What is Stephanie Johnston's office phone number?
The practice phone on file for Stephanie Johnston is (301) 251-8965.
What is Stephanie Johnston's medical license number?
Stephanie Johnston holds Maryland license 28737.
What medical group is Stephanie Johnston part of?
Stephanie Johnston is linked to Willow Oak Therapy Center.
Does Stephanie Johnston accept Medicare?
Yes. CMS lists Stephanie Johnston as accepting Medicare assignment.
How long has Stephanie Johnston been practicing?
Stephanie Johnston graduated from medical school in 1993, 33 years ago.
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