DR. MARVIN CAIN ALEXANDER PHD, LICSW
NPI 1093993370
Social Worker - Clinical in Washington, DC

Active since February 08, 2008PECOS Enrolled
1627 K ST NW STE 400, WASHINGTON, DC 20006(870) 822-1906 Get Directions Write a Review

NPPES record last updated: July 1, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 1, 2020, Sep 25, 2018 (2 updates tracked since 2018).

About Dr. Marvin Cain Alexander Phd, Licsw NPPES

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

DR. MARVIN CAIN ALEXANDER PHD, LICSW (NPI 1093993370) is an individual clinical provider in Washington, District Of Columbia, licensed in District Of Columbia (LC50081614) and active in the NPI registry since February 2008. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1093993370
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameDR. MARVIN CAIN ALEXANDERCredential: PHD, LICSW
Location Address1627 K ST NW STE 400Washington, DC 20006-1711
Mailing Address1380 Monroe St Nw # 736Washington, DC 20010-3452 · (870) 822-1906
Sole ProprietorYes
Enumeration DateFebruary 8, 2008
Last NPPES UpdateJuly 1, 20202 updates tracked since enumeration
NPPES CertifiedJuly 1, 2020
NPI 1093993370 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Licenses Licensed in DC · LC50081614 Licensed in AR · 2467-C
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.
Also ListedSocial Worker · SchoolTaxonomy 1041S0200X
1627 K ST NW STE 400, Washington, DC 20006

Secondary Practice Locations 2

Location 1TelehealthDC, Maryland, and Virginia, DC 20010 · Phone (724) 250-8855
Location 2111 Michigan Ave NWWashington, DC 20010-2916 · Phone (888) 884-2327

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Marvin Cain Alexander Phd, Licsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 20006 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 7

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

Dietitian, Registered
1627 K ST NW STE 400
WASHINGTON, DC 20006
Counselor (Mental Health)
1627 K ST NW STE 400
WASHINGTON, DC 20006
Counselor (Mental Health)
1627 K ST NW STE 400
WASHINGTON, DC 20006
Counselor (Professional)
1627 K ST NW STE 400
WASHINGTON, DC 20006
Counselor (Mental Health)
1627 K ST NW STE 400
WASHINGTON, DC 20006
Counselor (Professional)
1627 K ST NW STE 400
WASHINGTON, DC 20006
Clinic/Center (Developmental Disabilities)
1627 K ST NW STE 400
WASHINGTON, DC 20006

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 Marvin Cain Alexander's NPI number?

The NPI number for Marvin Cain Alexander is 1093993370. It was assigned to this individual provider in the NPPES registry on February 8, 2008.

Where is Marvin Cain Alexander located?

Marvin Cain Alexander practices at 1627 K St NW Ste 400, Washington, DC 20006. The listed phone number is (870) 822-1906.

What is Marvin Cain Alexander's specialty?

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

Is Marvin Cain Alexander enrolled in Medicare?

Yes. Marvin Cain Alexander is registered in the Medicare PECOS enrollment system.

What insurance does Marvin Cain Alexander accept?

Health plans from Oscar Health Insurance, Providence Health Plan and UnitedHealthcare list Marvin Cain Alexander as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Marvin Cain Alexander was last updated on July 1, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.