DR. ROBERT I LEVENTHAL (MD) – Gastroenterology Physician, NPI 1275506214

DR. ROBERT I LEVENTHAL (MD) is a healthcare provider. based in Prospect, Connecticut. specializing in Gastroenterology Physician. They hold the professional credentials MD. They hold a License No. 029930 (CT). The NPI Number for DR. ROBERT I LEVENTHAL (MD) is 1275506214

Main info

Male
42 Years Of Experience
Accepts Medicare Assignment
Name
DR. ROBERT I LEVENTHAL (MD)
NPI
1275506214
Phone
(203) 756-6422
Address
166 WATERBURY RD
Enumeration Date
9 February 2006
Last Update Date
27 April 2018

Doctor Profile

Medical School Name
OTHER
Secondary Phone
2037566422
Graduation Year
1984 (42 years ago)
PAC ID
1951396449
Group Practice PAC ID
5092700575
Professional Enrollment ID
I20040611000612
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 DR. ROBERT I LEVENTHAL (MD)

  • Waterbury Road, Prospect, New Haven County, Connecticut, 06712, United States

    STE 104

    PROSPECT, CT 067121246

    Phone: (203) 756-6422

    Fax: (203) 756-2448

    Type: Mailing

  • 1312, West Main Street, West Side Hill, Waterbury, New Haven County, Connecticut, 06708, United States

    STE 101

    WATERBURY, CT 06708

    Phone: (203) 756-6422

    Fax: (203) 756-2448

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 51 Open Payments records for all available years, with a total value of $1,445.

Total Amount is formed as General ($1,445) + Research ($0) + Ownership ($0) = $1,445.

Last reported payment date: 2024-05-23 • Largest payer in this snapshot: Echosens North America, Inc. ($500).

Total Amount

$1,445

General + Research + Ownership

Payments

51

Total payment records

General Amount

$1,445

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-05-23

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

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: 2004-06-11

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
I20040611000612IGastroenterologyCTTBD

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99213Established patient office or other outpatient visit, 20-29 minutes7366$0
99214Established patient office or other outpatient visit, 30-39 minutes7158$0
45378Diagnostic exam of large bowel using a flexible endoscope6363$0
G0121Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk4949$0
99204New patient office or other outpatient visit, 45-59 minutes4747$0
View full utilization report →

Insurance plans in this area (ZIP 06712)

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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: 5092700575View full group profile
NameSpecialtyState
-CT

Reviews

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Frequently asked questions

Where can patients find DR. ROBERT I LEVENTHAL (MD)'s NPI?
You can confirm DR. ROBERT I LEVENTHAL (MD) with NPI 1275506214; it appears in the national provider directory.
Is DR. ROBERT I LEVENTHAL (MD)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
What field does DR. ROBERT I LEVENTHAL (MD) work in?
You can think of DR. ROBERT I LEVENTHAL (MD) as practicing within Gastroenterology Physician. Clinical services aligned with this taxonomy classification.
Where does public data place DR. ROBERT I LEVENTHAL (MD)?
The snapshot lists Prospect, Connecticut for DR. ROBERT I LEVENTHAL (MD); download NPPES for the complete set.
Is this NPI for an individual or an organization?
This listing corresponds to an Individual Provider.

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