GAIL M SULLIVAN (MD) – Geriatric Medicine (Internal Medicine) Physician, NPI 1477550721

GAIL M SULLIVAN (MD) is a healthcare provider. based in Farmington, Connecticut. specializing in GERIATRIC MEDICINE, INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. 021426 (CT). The NPI Number for GAIL M SULLIVAN (MD) is 1477550721

Main info

Female
49 Years Of Experience
Accepts Medicare Assignment
Name
GAIL M SULLIVAN (MD)
NPI
1477550721
Phone
(860) 679-7503
Address
263 FARMINGTON AVE
Enumeration Date
1 July 2005
Last Update Date
26 September 2022

Doctor Profile

Medical School Name
YALE UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
8606793692
Graduation Year
1977 (49 years ago)
PAC ID
3678616380
Group Practice PAC ID
3678472016
Professional Enrollment ID
I20100203000470
Address ID
CT060300001FA263XXAVEX300
Telehealth
Yes

Contacts

Secure Messaging
gsullivan11020@direct.med.uchc.edu
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness85
Years active:20State licenses:1Other namesUpdated within 12 months

131 GERIATRIC MEDICINE in CT

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Provider Addresses for GAIL M SULLIVAN (MD)

  • University of Connecticut Health Center, 263, Farmington Avenue, Farmington, Hartford County, Connecticut, 06030, United States

    PROVIDER ENROLLMENT

    FARMINGTON, CT 060302212

    Phone: (860) 679-7503

    Fax: (860) 679-1610

    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: 2010-02-03

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
I20100203000470IGeriatric 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.

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

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99215Established patient office or other outpatient visit, 40-54 minutes3320$0
View full utilization report →

Insurance plans in this area (ZIP 06030)

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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: 3678472016View full group profile
NameSpecialtyState
N E U R O S U R G E R YNY
E N D O C R I N O L O G YVA
Orthopedic SurgeryCT
Orthopedic SurgeryCT
Endocrinology, Internal MedicineCT
Critical Care (Intensivists)CT
Hospitalist, Internal MedicineCT
Gynecological OncologyNY
Physician AssistantCT
Hand Surgery, Orthopedic SurgeryCT

Reviews

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Frequently asked questions

What number should I use to identify GAIL M SULLIVAN (MD) for billing?
Administrative and clinical systems typically use NPI 1477550721 for GAIL M SULLIVAN (MD).
Should I treat GAIL M SULLIVAN (MD) as an active provider?
Patients and plans typically see GAIL M SULLIVAN (MD) as active in the national extract.
How should patients interpret GAIL M SULLIVAN (MD)'s specialty?
The extract shows Geriatric Medicine (Internal Medicine) Physician for GAIL M SULLIVAN (MD). Clinical services aligned with this taxonomy classification.
Can patients visit GAIL M SULLIVAN (MD) in Farmington, Connecticut?
For routing, start with Farmington, Connecticut for GAIL M SULLIVAN (MD), then verify phone and hours locally.
Why is information missing for GAIL M SULLIVAN (MD)?
Providers choose how much contact data to publish. Missing fields do not mean the profile is fake.

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