DR. KRISTIN LYNCH GREGG (M.D.) – Emergency Medicine Physician, NPI 1336188333

DR. KRISTIN LYNCH GREGG (M.D.) is a healthcare provider. based in Bridgeport, Connecticut. specializing in EMERGENCY MEDICINE. They hold the professional credentials M.D.. They hold a License No. 042703 (CT). The NPI Number for DR. KRISTIN LYNCH GREGG (M.D.) is 1336188333

Main info

Female
25 Years Of Experience
Accepts Medicare Assignment
Name
DR. KRISTIN LYNCH GREGG (M.D.)
NPI
1336188333
Phone
(203) 384-4490
Address
267 GRANT ST
Enumeration Date
5 June 2006
Last Update Date
19 October 2018

Doctor Profile

Medical School Name
TUFTS UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
2033843000
Graduation Year
2001 (25 years ago)
PAC ID
0143258988
Group Practice PAC ID
2062312598
Professional Enrollment ID
I20140421001236
Address ID
CT066102805BR267XXSTXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience63
Completeness75
Years active:20State licenses:2Digital endpointsOther names

438 EMERGENCY MEDICINE in RI

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Provider Addresses for DR. KRISTIN LYNCH GREGG (M.D.)

  • Bridgeport Hospital, 267, Grant Street, Historic East Side, Bridgeport, Fairfield County, Connecticut, 06610, United States

    BRIDGEPORT, CT 066102805

    Phone: (203) 384-4490

    Type: Mailing

  • Memorial Hospital of Rhode Island, 111, Brewster Street, Pawtucket, Providence County, Rhode Island, 02860, United States

    PAWTUCKET, RI 028604400

    Phone: (401) 729-2419

    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: 2014-04-21

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
I20140421001236IEmergency 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
99284Emergency department visit with moderate level of medical decision making7573$0
99282Emergency department visit with straightforward medical decision making4040$0
99285Emergency department visit with high level of medical decision making3838$0
99291Critical care, first 30-74 minutes1818$0
99283Emergency department visit with low level of medical decision making1414$0
View full utilization report →

Insurance plans in this area (ZIP 06610)

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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: 2062312598View full group profile
NameSpecialtyState
-CT
Emergency MedicineCT
Cardiovascular Disease (Cardiology)CT
Emergency MedicineCT
-DC
Emergency MedicineCT
-CT
Emergency MedicineCT
-CT
Physician AssistantCT

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Frequently asked questions

Where can patients find DR. KRISTIN LYNCH GREGG (M.D.)'s NPI?
You can confirm DR. KRISTIN LYNCH GREGG (M.D.) with NPI 1336188333; it appears in the national provider directory.
Is DR. KRISTIN LYNCH GREGG (M.D.) currently active in the NPI registry?
CMS-published data lists DR. KRISTIN LYNCH GREGG (M.D.) as an active registrant.
What kind of provider is DR. KRISTIN LYNCH GREGG (M.D.)?
The page reflects Emergency Medicine Physician for DR. KRISTIN LYNCH GREGG (M.D.). Clinical services aligned with this taxonomy classification.
What location shows for DR. KRISTIN LYNCH GREGG (M.D.)?
We surface Bridgeport, Connecticut for DR. KRISTIN LYNCH GREGG (M.D.) based on available NPPES addresses.
Is this NPI for an individual or an organization?
This listing corresponds to an Individual Provider.

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