MD Matt LLC
NPI 1669941175 · Psychiatric/Mental Health Nurse Practitioner · Owings Mills, MD
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
MD Matt LLC is a Psychiatric/Mental Health Nurse Practitioner organization in Owings Mills, MD (NPI 1669941175).
Provider details
- NPI number
- 1669941175
- Entity type
- Organization
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Organization subpart
- No
- Authorized official
- William Shaffer, Care Coordinator(443) 559-4137
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Adult Health Nurse Practitioner363LA2200X
Physician Assistants & Advanced Practice Nursing Providers
- Clinical Social Worker1041C0700X
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
Mailing address
Registry dates
- Enumerated
- 2018-11-14
- Last updated
- 2024-06-24
- Certified
- 2024-06-24
Frequently asked questions
- What is MD Matt LLC's NPI number?
- MD Matt LLC's National Provider Identifier (NPI) is 1669941175, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is MD Matt LLC?
- MD Matt LLC is classified in the NPPES registry as Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is MD Matt LLC located?
- MD Matt LLC's practice location on file with NPPES is 10220 S Dolfield Rd Ste 106, Owings Mills, MD 21117-3660.
- What is MD Matt LLC's phone number?
- The practice phone number listed in the NPPES registry for MD Matt LLC is (443) 559-4137.
- Does MD Matt LLC accept Medicare?
- MD Matt LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for MD Matt LLC?
- The authorized official listed on MD Matt LLC's NPPES record is William Shaffer, Care Coordinator. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is MD Matt LLC's NPI active?
- Yes — MD Matt LLC's NPI (1669941175) is active in the NPPES registry as of the last update on 2024-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.