Dennis A. Long, M.D., S.c.
NPI 1023293586 · Psychiatry Physician · Saint Charles, IL
Dennis A. Long, M.D., S.c. is a Psychiatry Physician organization in Saint Charles, IL (NPI 1023293586).
Provider details
- NPI number
- 1023293586
- Entity type
- Organization
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Dennis Long, President(630) 377-7660
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2008-01-03
- Last updated
- 2008-01-03
Frequently asked questions
- What is Dennis A. Long, M.D., S.c.'s NPI number?
- Dennis A. Long, M.D., S.c.'s National Provider Identifier (NPI) is 1023293586, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dennis A. Long, M.D., S.c.?
- Dennis A. Long, M.D., S.c. is classified in the NPPES registry as Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis A. Long, M.D., S.c. located?
- Dennis A. Long, M.D., S.c.'s practice location on file with NPPES is 2210 Dean St, Saint Charles, IL 60175-1066.
- What is Dennis A. Long, M.D., S.c.'s phone number?
- The practice phone number listed in the NPPES registry for Dennis A. Long, M.D., S.c. is (630) 377-7660.
- Who is the authorized official for Dennis A. Long, M.D., S.c.?
- The authorized official listed on Dennis A. Long, M.D., S.c.'s NPPES record is Dennis Long, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dennis A. Long, M.D., S.c.'s NPI active?
- Yes — Dennis A. Long, M.D., S.c.'s NPI (1023293586) is active in the NPPES registry as of the last update on 2008-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.