MERCY JOHNSON LCSW-C
NPI 1851792980
Social Worker - Clinical in Baltimore, MD

Active since September 08, 2014PECOS Enrolled
1721 PENNSYLVANIA AVE, BALTIMORE, MD 21217(410) 685-2830 Get Directions Write a Review

NPPES record last updated: March 11, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 11, 2026, Aug 16, 2021, Oct 11, 2020 and 1 more (4 updates tracked since 2020).

About Mercy Johnson Lcsw-c NPPES

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

MERCY JOHNSON LCSW-C (NPI 1851792980) is an individual clinical provider in Baltimore, Maryland, licensed in Maryland (15763) and active in the NPI registry since September 2014. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1851792980
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMERCY JOHNSONCredential: LCSW-C
Location Address1721 PENNSYLVANIA AVEBaltimore, MD 21217-3119
Mailing Address1721 Pennsylvania AveBaltimore, MD 21217-3119 · (410) 685-2830
Sole ProprietorYes
Enumeration DateSeptember 8, 2014
Last NPPES UpdateMarch 11, 20264 updates tracked since enumeration
NPPES CertifiedMarch 11, 2026
NPI 1851792980 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 · 15763
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.

1721 PENNSYLVANIA AVE, Baltimore, MD 21217

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)

Mercy Johnson Lcsw-c 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 21217 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 $60.73 – $183.44
Typical copayment $0.00 (range $15.18 – $45.86)
Most-billed visit code NA
Established Patient
$75.47 typical visit price
range $19.60 – $149.17
Typical copayment $18.86 (range $4.90 – $37.29)
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 12

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

Internal Medicine
1721 PENNSYLVANIA AVE
BALTIMORE, MD 21217
Podiatrist (Primary Podiatric Medicine)
1721 PENNSYLVANIA AVE
BALTIMORE, MD 21217
Nursing Care
1721 PENNSYLVANIA AVE
BALTIMORE, MD 21217
Social Worker (Clinical)
1721 PENNSYLVANIA AVE
BALTIMORE, MD 21217
Clinic/Center (Mental Health (Including Community Mental Health Center))
1721 PENNSYLVANIA AVE, SUITES 201, 203-206
BALTIMORE, MD 21217
Community/Behavioral Health
1721 PENNSYLVANIA AVE
BALTIMORE, MD 21217
Counselor (Addiction (Substance Use Disorder))
1721 PENNSYLVANIA AVE, SUITES 201, 203-206
BALTIMORE, MD 21217
Clinic/Center (Methadone)
1721 PENNSYLVANIA AVE
BALTIMORE, MD 21217

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 Mercy Johnson's NPI number?

The NPI number for Mercy Johnson is 1851792980. It was assigned to this individual provider in the NPPES registry on September 8, 2014.

Where is Mercy Johnson located?

Mercy Johnson practices at 1721 Pennsylvania Ave, Baltimore, MD 21217. The listed phone number is (410) 685-2830.

What is Mercy Johnson's specialty?

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

Is Mercy Johnson enrolled in Medicare?

Yes. Mercy Johnson is registered in the Medicare PECOS enrollment system.

What insurance does Mercy Johnson accept?

Health plans from Providence Health Plan list Mercy Johnson 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 Mercy Johnson was last updated on March 11, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.