IndividualActive
Marybeth Mareski
NPI 1508649096 · Clinical Social Worker · Frederick, MD
Marybeth Mareski is a Clinical Social Worker provider in Frederick, MD (NPI 1508649096).
Provider details
- NPI number
- 1508649096
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 30552 (MD)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(58/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
319 W Patrick St
Frederick, MD 21701-4855
Phone: (301) 360-4349
Street-level locationGet directions
Mailing address
3908 Falls Rd
Baltimore, MD 21211-1829
Registry dates
- Enumerated
- 2023-08-17
- Last updated
- 2023-08-17
- Certified
- 2023-08-17
Frequently asked questions
- What is Marybeth Mareski's NPI number?
- Marybeth Mareski's National Provider Identifier (NPI) is 1508649096, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marybeth Mareski's specialty?
- Marybeth Mareski is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marybeth Mareski located?
- Marybeth Mareski's practice location on file with NPPES is 319 W Patrick St, Frederick, MD 21701-4855.
- What is Marybeth Mareski's phone number?
- The practice phone number listed in the NPPES registry for Marybeth Mareski is (301) 360-4349.
- Is Marybeth Mareski's NPI active?
- Yes — Marybeth Mareski's NPI (1508649096) is active in the NPPES registry as of the last update on 2023-08-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.