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MARK SULLIVAN
NPI 1346614641
Social Worker - Clinical in Silver Spring, MD

Active since November 24, 2015PECOS EnrolledAccepts Medicare Assignment
8703 MILFORD AVE, SILVER SPRING, MD 20910(202) 264-0070 Get Directions Write a Review

NPPES record last updated: March 7, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 7, 2024, Nov 24, 2015 (2 updates tracked since 2015).

About Mark Sullivan NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK SULLIVAN (NPI 1346614641) is an individual clinical provider in Silver Spring, Maryland, licensed in District Of Columbia (LC50079401) and active in the NPI registry since November 2015. He is enrolled in Medicare PECOS and is a graduate of Other (2009).

NPPES Registry Identity

NPI1346614641
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMARK SULLIVAN
Location Address8703 MILFORD AVESilver Spring, MD 20910-5030
Mailing Address8703 Milford AveSilver Spring, MD 20910-5030 · (202) 264-0070
Phone(202) 264-0070
Sole ProprietorYes
Medical School CMSOtherGraduated 2009
Enumeration DateNovember 24, 2015
Last NPPES UpdateMarch 7, 20242 updates tracked since enumeration
NPPES CertifiedMarch 7, 2024
✔ NPI 1346614641 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in DC · LC50079401
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
8703 MILFORD AVE, Silver Spring, MD 20910
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mark Sullivan is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9537419544
PECOS Enrollment IDI20180912000350
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20910 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $65.18 – $194.86
Typical copayment $0.00 (range $16.29 – $48.71)
Most-billed visit code NA
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MARK SULLIVAN LLC
Social Worker (Clinical)
8703 MILFORD AVE
SILVER SPRING, MD 20910
Montgomery County (202) 264-0070

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Sullivan's NPI number?

The NPI number for Mark Sullivan is 1346614641. It was assigned to this individual provider in the NPPES registry on November 24, 2015.

Where is Mark Sullivan located?

Mark Sullivan practices at 8703 Milford Ave, Silver Spring, MD 20910. The listed phone number is (202) 264-0070.

What is Mark Sullivan's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Mark Sullivan enrolled in Medicare?

Yes. Mark Sullivan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Mark Sullivan was last updated on March 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.