Lenore Snowden Opalak, M.D.
NPI 1033163605 · Internal Medicine Physician · Shelton, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lenore Snowden Opalak, M.D. is a Internal Medicine Physician provider in Shelton, CT (NPI 1033163605).
Provider details
- NPI number
- 1033163605
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 027775 (CT)
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
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
- 2006-05-19
- Last updated
- 2014-02-11
Frequently asked questions
- What is Lenore Snowden Opalak's NPI number?
- Lenore Snowden Opalak's National Provider Identifier (NPI) is 1033163605, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lenore Snowden Opalak's specialty?
- Lenore Snowden Opalak is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lenore Snowden Opalak located?
- Lenore Snowden Opalak's practice location on file with NPPES is 4 Corporate Dr, Shelton, CT 06484-6211.
- What is Lenore Snowden Opalak's phone number?
- The practice phone number listed in the NPPES registry for Lenore Snowden Opalak is (203) 225-0375.
- Does Lenore Snowden Opalak accept Medicare?
- Lenore Snowden Opalak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lenore Snowden Opalak's NPI active?
- Yes — Lenore Snowden Opalak's NPI (1033163605) is active in the NPPES registry as of the last update on 2014-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.