Dennis Marcus MD PC
NPI 1003876020 · Psychiatric/Mental Health Nurse Practitioner · Valatie, NY
Dennis Marcus MD PC is a Psychiatric/Mental Health Nurse Practitioner organization in Valatie, NY (NPI 1003876020).
Provider details
- NPI number
- 1003876020
- Entity type
- Organization
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Organization subpart
- No
- Authorized official
- Dennis Marcus, Executive Director(413) 528-1845
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Psychiatry Physician2084P0800X
Allopathic & Osteopathic Physicians
- Psychologist103T00000X
Behavioral Health & Social Service Providers
- Social Worker104100000X
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
20 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
- 2006-03-24
- Last updated
- 2025-09-11
Frequently asked questions
- What is Dennis Marcus MD PC's NPI number?
- Dennis Marcus MD PC's National Provider Identifier (NPI) is 1003876020, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dennis Marcus MD PC?
- Dennis Marcus MD PC is classified in the NPPES registry as Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Dennis Marcus MD PC located?
- Dennis Marcus MD PC's practice location on file with NPPES is 2880 Route 9, Valatie, NY 12184.
- What is Dennis Marcus MD PC's phone number?
- The practice phone number listed in the NPPES registry for Dennis Marcus MD PC is (518) 758-6922.
- Who is the authorized official for Dennis Marcus MD PC?
- The authorized official listed on Dennis Marcus MD PC's NPPES record is Dennis Marcus, Executive Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dennis Marcus MD PC's NPI active?
- Yes — Dennis Marcus MD PC's NPI (1003876020) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.