DR. LARRY M MARCUS (MD) – Otolaryngology Physician, NPI 1497743991

DR. LARRY M MARCUS (MD) is a healthcare provider. based in Bristol, Connecticut. specializing in Otolaryngology Physician. They hold the professional credentials MD. They hold a License No. 029258 (CT). The NPI Number for DR. LARRY M MARCUS (MD) is 1497743991

Main info

Male
46 Years Of Experience
Accepts Medicare Assignment
Name
DR. LARRY M MARCUS (MD)
NPI
1497743991
Phone
(860) 585-5888
Address
255 N MAIN ST
Enumeration Date
10 October 2005
Last Update Date
16 December 2020

Doctor Profile

Medical School Name
UNIVERSITY OF NEBRASKA COLLEGE OF MEDICINE
Secondary Phone
2035745997
Graduation Year
1980 (46 years ago)
PAC ID
9830221159
Group Practice PAC ID
0042379604
Professional Enrollment ID
I20100721000642
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience78
Completeness75
Years active:20State licenses:2Digital endpointsOther names

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Provider Addresses for DR. LARRY M MARCUS (MD)

  • 255, North Main Street, Fall River Station, Fall River, Bristol County, Massachusetts, 02720, United States

    BRISTOL, CT 060104972

    Phone: (860) 585-5888

    Fax: (860) 585-8676

    Type: Mailing

  • 193 MAIN ST

    NORWAY, ME 042685645

    Phone: (207) 743-2835

    Type: Location

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: 2021-02-22

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
I20210222001077IOtolaryngologyMETBD

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 06010)

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Provider's Procedures

DR. LARRY M MARCUS (MD) performs procedures in Otolaryngology Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
OTOLARYNGOLOGYCT95004Injection of allergenic extracts into skin, accessed through the skin132022

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: 0042379604View full group profile
NameSpecialtyState
Qualified AudiologistCT
Otolaryngology, Allergy/ImmunologyCT
Physician AssistantNY

Reviews

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Frequently asked questions

What identifier follows DR. LARRY M MARCUS (MD) across health systems?
The NPI 1497743991 uniquely identifies DR. LARRY M MARCUS (MD) in U.S. healthcare data.
Does the public listing show DR. LARRY M MARCUS (MD) as active?
DR. LARRY M MARCUS (MD)'s NPI record reflects an active status in NPPES.
How should patients interpret DR. LARRY M MARCUS (MD)'s specialty?
The extract shows Otolaryngology Physician for DR. LARRY M MARCUS (MD). Clinical services aligned with this taxonomy classification.
Which community is linked to DR. LARRY M MARCUS (MD)?
DR. LARRY M MARCUS (MD) shows a connection to Bristol, Connecticut in registry-derived data.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

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