LENORE M SNOWDEN OPALAK (M.D.) – Internal Medicine Physician, NPI 1033163605

LENORE M SNOWDEN OPALAK (M.D.) is a healthcare provider. based in Shelton, Connecticut. specializing in Internal Medicine Physician. They hold the professional credentials M.D.. They hold a License No. 027775 (CT). The NPI Number for LENORE M SNOWDEN OPALAK (M.D.) is 1033163605

Main info

Female
43 Years Of Experience
Accepts Medicare Assignment
Name
LENORE M SNOWDEN OPALAK (M.D.)
NPI
1033163605
Phone
(203) 225-0375
Address
4 CORPORATE DR
Enumeration Date
19 May 2006
Last Update Date
11 February 2014

Doctor Profile

Medical School Name
UNIVERSITY OF CALIFORNIA, DAVIS SCHOOL OF MEDICINE
Secondary Phone
2033843388
Graduation Year
1983 (43 years ago)
PAC ID
0749344349
Group Practice PAC ID
1254233836
Professional Enrollment ID
I20090127000114
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for LENORE M SNOWDEN OPALAK (M.D.)

  • 4, Corporate Drive, Shelton, Fairfield County, Connecticut, 06484, United States

    SUITE 394

    SHELTON, CT 064846211

    Phone: (203) 225-0375

    Fax: (203) 225-0376

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2009-01-27

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20090127000114IInternal MedicineCTTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 06484)

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Provider's Procedures

LENORE M SNOWDEN OPALAK (M.D.) performs procedures in Internal Medicine Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
INTERNAL MEDICINECT81002Urinalysis, manual test3837
INTERNAL MEDICINECT90670Pneumococcal vaccine for injection into muscle2929

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 1254233836View full group profile
NameSpecialtyState
Interventional Cardiology, Cardiovascular Disease (Cardiology)CT
-CT
-CT
Internal MedicineNJ
Hospitalist, Internal MedicineCT
-CT
-CT
Internal MedicineCT
Nurse PractitionerCT
Physician AssistantCT

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Frequently asked questions

Where can patients find LENORE M SNOWDEN OPALAK (M.D.)'s NPI?
You can confirm LENORE M SNOWDEN OPALAK (M.D.) with NPI 1033163605; it appears in the national provider directory.
Is LENORE M SNOWDEN OPALAK (M.D.)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
What does LENORE M SNOWDEN OPALAK (M.D.) treat or focus on?
Patients typically see LENORE M SNOWDEN OPALAK (M.D.) under the specialty Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
Does LENORE M SNOWDEN OPALAK (M.D.) practice in Connecticut?
You will see Shelton, Connecticut on file for LENORE M SNOWDEN OPALAK (M.D.) alongside any extra practice locations.
Is LENORE M SNOWDEN OPALAK (M.D.) a real provider?
This page reflects official NPPES data for NPI 1033163605. Always confirm identity and privileges with the practice and licensing boards.

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