Lenore M. Snowden Opalak, M.D.
Internal Medicine Physician · Shelton, CT
Lenore M. Snowden Opalak, M.D. is an internal medicine physician with a practice address in Shelton, Connecticut, and NPI 1033163605, issued on May 19, 2006. Check the license (Connecticut 027775, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Lenore M. Snowden Opalak
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 027775 CT
Self-reported in NPPES; status is on the state search - Practice location
- 4 Corporate Dr, Shelton, CT 06484
- Phone
- (203) 225-0375
- Enumerated
- May 19, 2006
- Record last updated
- Feb 11, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (203) 225-0376
- Medicaid ID
- 001277755 CT
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 4 Corporate Dr
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Verify Lenore M. Snowden Opalak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 027775Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
43 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Lenore M. Snowden Opalak among 2,623 internal medicine physician records in Connecticut
Lenore M. Snowden Opalak, M.D. is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 52% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2014 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 internal medicine physician records list a practice address in Shelton
They are 10 of the 811 NPPES records with a practice address in Shelton, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Shelton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Bardia Asgari, MDShelton, CT 064841811938533
- Ana Graciela Azueta-Jimenez, MDShelton, CT 064841083293518
- Piotr Baginski, MDShelton, CT 064841164449906
- Nami Bayan, MDShelton, CT 064841760413538
- Nelson Chao, M.D.Shelton, CT 064841619974896
- John Farens, MDShelton, CT 064841427133354
- Shaun Najarian, DOShelton, CT 064841568824589
- Michael Naso, M.D.Shelton, CT 064841538423488
Common questions
What is Lenore M. Snowden Opalak, M.D.'s NPI number?
Lenore M. Snowden Opalak, M.D.'s National Provider Identifier (NPI) is 1033163605, issued on May 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lenore M. Snowden Opalak, M.D. located?
The NPPES record lists a practice address at 4 Corporate Dr, Shelton, CT, 06484. Phone: (203) 225-0375. Providers update this record themselves, so call before visiting.
How can I verify Lenore M. Snowden Opalak, M.D.'s license?
NPPES lists Connecticut license number 027775, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lenore M. Snowden Opalak, M.D. prescribe under Medicare Part D?
In 2024, Lenore M. Snowden Opalak, M.D. had 43 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.