MRS. ELMA B ALSTON LCSW-C
NPI 1629300488
Social Worker - Clinical in Largo, MD

Active since February 04, 2010PECOS EnrolledAccepts Medicare Assignment
1221 MERCANTILE LN, KAISER PERMANENTE LARGO MEDICAL CENTER, LARGO, MD 20774(301) 618-5500 Get Directions Write a Review

NPPES record last updated: May 28, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mrs. Elma B Alston Lcsw-c NPPES

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

MRS. ELMA B ALSTON LCSW-C (NPI 1629300488) is an individual clinical provider in Largo, Maryland, licensed in Maryland (09792) and active in the NPI registry since February 2010. She is enrolled in Medicare PECOS and is a graduate of Other (1997).

NPPES Registry Identity

NPI1629300488
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMRS. ELMA B ALSTONCredential: LCSW-C
Location Address1221 MERCANTILE LN, KAISER PERMANENTE LARGO MEDICAL CENTERLargo, MD 20774-5374
Mailing Address7225 Burning Timber LnOwings, MD 20736-3036 · (240) 506-5076
Sole ProprietorNo
Medical School CMSOtherGraduated 1997
Enumeration DateFebruary 4, 2010
Last NPPES UpdateMay 28, 2021
NPPES CertifiedMay 28, 2021
✔ NPI 1629300488 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 MD · 09792
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.
1221 MERCANTILE LN, Largo, MD 20774

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Elma B Alston Lcsw-c 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 ID9739402108
PECOS Enrollment IDI20141217000220
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Elma Alston reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Health Maintenance Organization
5100 AUTH WAY
Suitland, MD 20746
  • Reassigned Medicare billing, District of Columbia enrollment
  • 2,492 clinicians in this Medicare group
Clinical
1738 WYNKOOP ST STE 303
Denver, CO 80202
  • Reassigned Medicare billing, District of Columbia, Maryland and Virginia enrollments
  • 55 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20774 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 20

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

Psychiatry & Neurology (Psychiatry)
1221 MERCANTILE LN
LARGO, MD 20774
Anesthesiology
1221 MERCANTILE LN
UPPER MARLBORO, MD 20774
Internal Medicine
1221 MERCANTILE LN, KAISER PERMANENTE LARGO MEDICAL CENTER
LARGO, MD 20774
Obstetrics & Gynecology (Maternal & Fetal Medicine)
1221 MERCANTILE LN, DEPT OF OBGYN
LARGO, MD 20774
Anesthesiology
1221 MERCANTILE LN
UPPER MARLBORO, MD 20774
Physician Assistant
1221 MERCANTILE LN, KAISER PERMANENTE LARGO MEDICAL CENTER
LARGO, MD 20774
Urology
1221 MERCANTILE LN, KAISER PERMANENTE DEPARTMENT OF UROLOGY
LARGO, MD 20774
Obstetrics & Gynecology
1221 MERCANTILE LN
UPPER MARLBORO, MD 20774

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 Elma Alston's NPI number?

The NPI number for Elma Alston is 1629300488. It was assigned to this individual provider in the NPPES registry on February 4, 2010.

Where is Elma Alston located?

Elma Alston practices at 1221 Mercantile Ln Kaiser Permanente Largo Medical Center, Largo, MD 20774. The listed phone number is (301) 618-5500.

What is Elma Alston's specialty?

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

Is Elma Alston enrolled in Medicare?

Yes. Elma Alston 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.

Which organizations bill Medicare for Elma Alston's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elma Alston reassigns Medicare benefits to 2 organizations: Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Suitland, MD) and Sondermind Provider Network LLC (Denver, CO). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Elma Alston's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Elma Alston accept?

Health plans from Oscar Health list Elma Alston 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 Elma Alston was last updated on May 28, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.