IndividualActive
Marni Riffkin, MSW
NPI 1356931604 · Clinical Social Worker · Potomac, MD
Marni Riffkin, MSW is a Clinical Social Worker provider in Potomac, MD (NPI 1356931604).
Provider details
- NPI number
- 1356931604
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- LC50080628 (DC)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(63/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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.
Practice location
12103 Little Creek Dr
Potomac, MD 20854-3431
Phone: (240) 305-3208
Street-level locationGet directions
Mailing address
12103 Little Creek Dr
Potomac, MD 20854-3431
Registry dates
- Enumerated
- 2021-01-21
- Last updated
- 2021-01-21
- Certified
- 2021-01-21
Frequently asked questions
- What is Marni Riffkin's NPI number?
- Marni Riffkin's National Provider Identifier (NPI) is 1356931604, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marni Riffkin's specialty?
- Marni Riffkin is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marni Riffkin located?
- Marni Riffkin's practice location on file with NPPES is 12103 Little Creek Dr, Potomac, MD 20854-3431.
- What is Marni Riffkin's phone number?
- The practice phone number listed in the NPPES registry for Marni Riffkin is (240) 305-3208.
- Is Marni Riffkin's NPI active?
- Yes — Marni Riffkin's NPI (1356931604) is active in the NPPES registry as of the last update on 2021-01-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.