What is Marcella Portewig's NPI number?

Marcella Portewig's National Provider Identifier (NPI) is 1710347919, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Marcella Portewig's specialty?

Marcella Portewig is listed in the NPPES registry with a primary specialty of School Social Worker (Behavioral Health & Social Service Providers).

Where is Marcella Portewig located?

Marcella Portewig's practice location on file with NPPES is 1106 University Blvd W, Silver Spring, MD 20902-3302.

What is Marcella Portewig's phone number?

The practice phone number listed in the NPPES registry for Marcella Portewig is (301) 649-0778.

Is Marcella Portewig's NPI active?

Yes — Marcella Portewig's NPI (1710347919) is active in the NPPES registry as of the last update on 2016-03-01.

IndividualActive

Marcella Portewig, ACSW, LCSW-C

NPI 1710347919 · School Social Worker · Silver Spring, MD

Marcella Portewig, ACSW, LCSW-C is a School Social Worker provider in Silver Spring, MD (NPI 1710347919).

Provider details

NPI number: 1710347919
Entity type: Individual
Primary specialty: School Social WorkerBehavioral Health & Social Service Providers
Credential: ACSW, LCSW-C
Sex: Female
Sole proprietor: No
License: 04853 (MD)

Practice location

1106 University Blvd W

The Pathways Schools

Silver Spring, MD 20902-3302

Phone: (301) 649-0778

Fax: (301) 649-2598

Street-level locationGet directions

More MD providers

Mailing address

6106 Starburn Path

Columbia, MD 21045-2570

Specialties & taxonomies

School Social WorkerPrimary1041S0200XLicense 04853 (MD)
Behavioral Health & Social Service Providers
School Social Worker1041S0200XLicense LC300543 (DC)
Behavioral Health & Social Service Providers

Profile Score

Established profile(73/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
10 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Enumerated: 2016-03-01
Last updated: 2016-03-01

Frequently asked questions

What is Marcella Portewig's NPI number?: Marcella Portewig's National Provider Identifier (NPI) is 1710347919, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Marcella Portewig's specialty?: Marcella Portewig is listed in the NPPES registry with a primary specialty of School Social Worker (Behavioral Health & Social Service Providers).
Where is Marcella Portewig located?: Marcella Portewig's practice location on file with NPPES is 1106 University Blvd W, Silver Spring, MD 20902-3302.
What is Marcella Portewig's phone number?: The practice phone number listed in the NPPES registry for Marcella Portewig is (301) 649-0778.
Is Marcella Portewig's NPI active?: Yes — Marcella Portewig's NPI (1710347919) is active in the NPPES registry as of the last update on 2016-03-01.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions