Marcus E. John, LCSW-C
- Affiliated sites
- 2
- Medical groups
- 3
- State license
- 1
- Year NPI issued
- 2024
- Practice address
- 640 E Diamond Ave, Gaithersburg, MD 20877
- Practice phone
- Call (202) 313-2397
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sheppard Pratt - Gaithersburg (640 E Diamond Ave)
Behavioral health practice · Gaithersburg, Maryland
Find Marcus John'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.
Marcus E. John is a school social worker in Gaithersburg, Maryland
Marcus John practices at Sheppard Pratt - Gaithersburg (640 E Diamond Ave) in Gaithersburg, Maryland.
Marcus John's NPI, 1770306557, was assigned on November 1, 2024. Marcus John holds Maryland license 26518.
- NPI
- 1770306557NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991281495
- NPI enumeration date
- November 1, 2024
- NPI status
- Active
- Practice phone
- (202) 313-2397
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Marcus E. John practices at Sheppard Pratt - Gaithersburg (640 E Diamond Ave) in Gaithersburg, Maryland
Marcus John's primary practice is Sheppard Pratt - Gaithersburg (640 E Diamond Ave), at 640 E Diamond Ave, Gaithersburg, MD 20877. The practice phone is (202) 313-2397.
- Sheppard Pratt - Gaithersburg (640 E Diamond Ave)640 E Diamond Ave, Gaithersburg, MD 20877Phone(202) 313-2397
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Marcus E. John is affiliated with 2 sites of care and 3 medical groups
Marcus John's primary practice is Sheppard Pratt - Gaithersburg (640 E Diamond Ave) in Gaithersburg, Maryland. The medical group on file is Mosaic Community Services. Dmand AI also links Marcus John to 2 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Marcus E. John's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Marcus John practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sheppard Pratt - Gaithersburg (640 E Diamond Ave) | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Marcus E. John is one of 21 school social workers in Maryland
Social worker is Marcus John's primary specialty in the NPI Registry, under taxonomy code 1041S0200X. The record also lists school. Marcus John is licensed in Maryland.
Specialties and state licenses
- School social worker, MarylandPrimary
School social workers near Marcus John
Counts of school 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
Sources for Marcus E. John'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors 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 Marcus E. John
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Marcus E. John's NPI number?
Marcus E. John's NPI number is 1770306557. It was assigned on November 1, 2024, and it is active in the NPI Registry.
What does Marcus E. John specialize in?
Marcus E. John is a school social worker in Gaithersburg, Maryland. The primary specialty in the NPI Registry is School Social Worker (taxonomy code 1041S0200X).
Where does Marcus E. John practice?
Marcus John practices at 640 E Diamond Ave, Gaithersburg, MD 20877. Marcus John's primary practice is Sheppard Pratt - Gaithersburg (640 E Diamond Ave) in Gaithersburg, Maryland. Dmand AI also links Marcus John to 2 medical groups and 1 group practice or clinic.
What is Marcus E. John's office phone number?
The practice phone on file for Marcus John is (202) 313-2397.
What is Marcus E. John's medical license number?
Marcus John holds Maryland license 26518.
What medical group is Marcus E. John part of?
Marcus John is linked to Mosaic Community Services. Dmand AI links Marcus John to 2 more medical groups.
How long has Marcus E. John been practicing?
Marcus John's NPI was assigned in 2024.
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