Mark Sullivan
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2015
- Practice address
- 8703 Milford Ave, Silver Spring, MD 20910-5030
- Practice phone
- Call (202) 264-0070
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mark Sullivan LLC
Physician office · Silver Spring, Maryland
Find Mark Sullivan'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.
Mark Sullivan is a clinical social worker in Silver Spring, Maryland
Mark Sullivan practices at Mark Sullivan LLC in Silver Spring, Maryland.
Mark Sullivan's NPI, 1346614641, was assigned on November 24, 2015. Mark Sullivan holds District of Columbia license LC50079401.
- NPI
- 1346614641NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537419544
- NPI enumeration date
- November 24, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (202) 264-0070
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mark Sullivan practices at Mark Sullivan LLC in Silver Spring, Maryland
Mark Sullivan's primary practice is Mark Sullivan LLC, at 8703 Milford Ave, Silver Spring, MD 20910-5030. The practice phone is (202) 264-0070.
- Mark Sullivan LLC8703 Milford Ave, Silver Spring, MD 20910-5030Phone(202) 264-0070
Source: Dmand AI Affiliation Data
Mark Sullivan is affiliated with 1 site of care
Mark Sullivan's primary practice is Mark Sullivan LLC in Silver Spring, Maryland.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Mark Sullivan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Sullivan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mark Sullivan LLC | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Mark Sullivan is one of 2,537 clinical social workers in Maryland
Social worker is Mark Sullivan's primary specialty in the NPI Registry, under taxonomy code 1041C0700X. The record also lists clinical. Mark Sullivan is licensed in District of Columbia.
Specialties and state licenses
- Clinical social worker, District of ColumbiaPrimary
Clinical social workers near Mark Sullivan
Counts of clinical 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
Mark Sullivan's patients have a median age of 53
Across all payers, Dmand AI patient panel data puts Mark Sullivan's median patient age at 53, with 58% women.
Mark Sullivan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women58%
- Men42%
Source: Dmand AI Patient Panel Data
How Mark Sullivan takes part in Medicare
Mark Sullivan 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 Mark Sullivan'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 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 Mark Sullivan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mark Sullivan's NPI number?
Mark Sullivan's NPI number is 1346614641. It was assigned on November 24, 2015, and it is active in the NPI Registry.
What does Mark Sullivan specialize in?
Mark Sullivan is a clinical social worker in Silver Spring, Maryland. The primary specialty in the NPI Registry is Clinical Social Worker (taxonomy code 1041C0700X).
Where does Mark Sullivan practice?
Mark Sullivan practices at 8703 Milford Ave, Silver Spring, MD 20910-5030. Mark Sullivan's primary practice is Mark Sullivan LLC in Silver Spring, Maryland.
What is Mark Sullivan's office phone number?
The practice phone on file for Mark Sullivan is (202) 264-0070.
What is Mark Sullivan's medical license number?
Mark Sullivan holds District of Columbia license LC50079401.
Does Mark Sullivan accept Medicare?
Yes. CMS lists Mark Sullivan as accepting Medicare assignment.
How long has Mark Sullivan been practicing?
Mark Sullivan graduated from medical school in 2009, 17 years ago.
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