Registry data as of Aug 27, 2026

Marcella Portewig, ACSW, LCSW-C

School Social Worker · Silver Spring, MD

Marcella Portewig, ACSW, LCSW-C is a school social worker with a practice address in Silver Spring, Maryland, and NPI 1710347919, issued on Mar 1, 2016. Check the license (Maryland 04853, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1710347919
Name
Marcella Portewig
Credential
ACSW, LCSW-C
Primary taxonomy
School Social Worker 1041S0200X
License numbers
04853 MD
LC300543 DC
Self-reported in NPPES; status is on the state search
Practice location
1106 University Blvd W, Silver Spring, MD 20902
Phone
(301) 649-0778
Enumerated
Mar 1, 2016
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1106 University Blvd W

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Frederick Barnes, LGSWSchool Social Worker1073041349
  2. Joann Baxley, LCPCProfessional Counselor1497115455
  3. Tania Dubeau, LCSW-CSchool Social Worker1306206412
  4. Sallie Holmes, LCSW-CSchool Social Worker1801256672
  5. Nia Kilimanjaro, LGSWSchool Social Worker1225530025
  6. Sherry LeebSpeech-Language Pathologist1992165948

Verify Marcella Portewig in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license 04853
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

School Social Worker providers in Maryland

There are 237 school social worker records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other school social worker records in Maryland

  1. Asia Adams, LMSWBaltimore, MD1477339521
  2. Byron AdamsBeltsville, MD1104357094
  3. Joshua Agren-BarnesBaltimore, MD1740824713
  4. Maritza Alcoreza-Lopez, LMSWBaltimore, MD1093683658
  5. Paula Andrzejewski, LMSWBaltimore, MD1013573062
  6. Angelina Anthony Sills, DRPHBaltimore, MD1902363765
  7. Hannah Bailey, LMSWTowson, MD1245797802
  8. Tammy Bailey, LCSW-CAnnapolis, MD1467924308
  9. Krista Bajgier, LMSW, MEDFrederick, MD1720545437
  10. Gretchen Banks, LCSW-CSalisbury, MD1255805313

Common questions

What is Marcella Portewig, ACSW, LCSW-C's NPI number?

Marcella Portewig, ACSW, LCSW-C's National Provider Identifier (NPI) is 1710347919, issued on Mar 1, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Marcella Portewig, ACSW, LCSW-C located?

The NPPES record lists a practice address at 1106 University Blvd W, Silver Spring, MD, 20902. Phone: (301) 649-0778. Providers update this record themselves, so call before visiting.

How can I verify Marcella Portewig, ACSW, LCSW-C's license?

NPPES lists Maryland license number 04853, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.