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GWINNETT EMERGENCY SPECIALISTS OBSERVATION SERVICES, LLC
NPI 1720373129
Emergency Medicine in Lawrenceville, GA

Active since June 14, 2011
1000 MEDICAL CENTER BLVD, LAWRENCEVILLE, GA 30046(954) 939-5000(877) 250-6889 Get Directions Write a Review

NPPES record last updated: August 25, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 25, 2026, Aug 3, 2026, Aug 7, 2025 and 2 more (5 updates tracked since 2019).

About Gwinnett Emergency Specialists Observation Services, Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GWINNETT EMERGENCY SPECIALISTS OBSERVATION SERVICES, LLC (NPI 1720373129) is a healthcare organization registered as an emergency medicine in Lawrenceville, Georgia and active in the NPI registry since June 2011. The organization lists Christopher Kennedy, Authorized Official, as its authorized official.

NPPES Registry Identity

NPI1720373129
Entity TypeOrganization
Primary Taxonomy207P00000X
Legal Business NameGWINNETT EMERGENCY SPECIALISTS OBSERVATION SERVICES, LLC
Location Address1000 MEDICAL CENTER BLVDLawrenceville, GA 30046-7694
Mailing AddressPo Box 781136Philadelphia, PA 19178-1136 · (954) 939-5000 · Fax (877) 250-6889
Phone(954) 939-5000
Fax(877) 250-6889
Organization SubpartNo
Authorized OfficialChristopher KennedyAuthorized Official · (207) 807-9009
Enumeration DateJune 14, 2011
Last NPPES UpdateAugust 25, 20265 updates tracked since enumeration
NPPES CertifiedAugust 25, 2026
✔ NPI 1720373129 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1000 MEDICAL CENTER BLVD, Lawrenceville, GA 30046
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gwinnett Emergency Specialists Observation Services, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

131

Medicare enrollment records show 131 clinicians reassign Medicare billing to Gwinnett Emergency Specialists Observation Services, LLC, which bills Medicare for the services they deliver. Of these, 34 practice at this address and 50 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 4

Emergency Medicine87
Nurse Practitioner38
Pediatric Medicine5
Family Practice1

Nearest to this location (20)

See all 131
Nima Bahraini, M.D.
Emergency Medicine
NPI 1275851578
1000 MEDICAL CENTER BLVD
Lawrenceville, GA 30046
(678) 312-1000
✔ PECOS✔ Accepts MedicareSame address
Russell Chan, DO
Emergency Medicine
NPI 1801213640
1000 MEDICAL CENTER BLVD
Lawrenceville, GA 30046
(678) 312-1000
✔ PECOS✔ Accepts MedicareSame address
Deborah Griffiths, M.D.
Emergency Medicine
NPI 1538203047
1000 MEDICAL CENTER BLVD
Lawrenceville, GA 30045
(678) 442-3317
✔ PECOSSame address
Colleen Mccaw
Nurse Practitioner
NPI 1780149518
1000 MEDICAL CENTER BLVD
Lawrenceville, GA 30046
(678) 312-1000
✔ PECOS✔ Accepts MedicareSame address
Kruti Ray
Emergency Medicine
NPI 1437643806
1000 MEDICAL CENTER BLVD
Lawrenceville, GA 30046
(678) 312-1000
✔ PECOS✔ Accepts MedicareSame address
Joseph Sarbu, D.O.
Emergency Medicine
NPI 1730516543
1000 MEDICAL CENTER BLVD
Lawrenceville, GA 30046
(678) 312-4101
✔ PECOS✔ Accepts MedicareSame address
Valerie Amatriain, F.N.P
Nurse Practitioner
NPI 1467669473
1000 MEDICAL CENTER BLVD
Lawrenceville, GA 30045
(678) 422-3317
✔ PECOSSame address
Jose Lee Biron, FNP
Nurse Practitioner
NPI 1659718526
1000 MEDICAL CENTER BLVD
Lawrenceville, GA 30046
(678) 312-3318
✔ PECOSSame address
Shawneka Bryan, NP-C
Nurse Practitioner
NPI 1457609257
1000 MEDICAL CENTER BLVD
Lawrenceville, GA 30046
(678) 312-3356
✔ PECOS✔ Accepts MedicareSame address
Alyssa Bryant, M.D.
Emergency Medicine
NPI 1669625711
1000 MEDICAL CENTER BLVD GWINNETT MEDICAL SPECIALISTS
Lawrenceville, GA 30046
(678) 312-3356
✔ PECOS✔ Accepts MedicareSame address
Philip Cannon, MD
Emergency Medicine
NPI 1194852392
1000 MEDICAL CENTER BLVD
Lawrenceville, GA 30045
(678) 442-3317
✔ PECOSSame address
Kent Cohen, MD
Emergency Medicine
NPI 1700945060
1000 MEDICAL CENTER BLVD
Lawrenceville, GA 30045
(678) 442-3317
✔ PECOSSame address
Elizabeth Flail, D.O.
Emergency Medicine
NPI 1548554124
1000 MEDICAL CENTER BLVD
Lawrenceville, GA 30046
(678) 312-3356
✔ PECOSSame address
Lakisha Kerr
Nurse Practitioner
NPI 1932456563
1000 MEDICAL CENTER BLVD
Lawrenceville, GA 30046
(678) 312-1000
✔ PECOS✔ Accepts MedicareSame address
Hunaiza Mistry, NP
Nurse Practitioner
NPI 1881086445
1000 MEDICAL CENTER BLVD
Lawrenceville, GA 30046
(678) 312-3318
✔ PECOSSame address
Patricia Ohara West, FNP
Nurse Practitioner
NPI 1548382526
1000 MEDICAL CENTER BLVD
Lawrenceville, GA 30045
(672) 442-4416
✔ PECOSSame address
Emmeleen Phan, MD
Family Practice
NPI 1790741593
1000 MEDICAL CENTER BLVD
Lawrenceville, GA 30046
(678) 312-3317
✔ PECOSSame address
James Smith, M.D.
Pediatric Medicine
NPI 1154511855
1000 MEDICAL CENTER BLVD
Lawrenceville, GA 30045
(678) 442-3317
✔ PECOSSame address
Kimberly Smith, FNP-C
Nurse Practitioner
NPI 1083818397
1000 MEDICAL CENTER BLVD
Lawrenceville, GA 30045
(678) 442-4350
✔ PECOSSame address
Da Chong, NP
Nurse Practitioner
NPI 1467035311
1000 MEDICAL CENTER BLVD
Lawrenceville, GA 30046
(678) 312-2400
✔ PECOS✔ Accepts MedicareSame address
See all 131 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gwinnett Emergency Specialists Observation Services, LLC's NPI number?

The NPI number for Gwinnett Emergency Specialists Observation Services, LLC is 1720373129. It was assigned to this organization in the NPPES registry on June 14, 2011.

Where is Gwinnett Emergency Specialists Observation Services, LLC located?

Gwinnett Emergency Specialists Observation Services, LLC is located at 1000 Medical Center Blvd, Lawrenceville, GA 30046. The listed phone number is (954) 939-5000.

What is Gwinnett Emergency Specialists Observation Services, LLC's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Gwinnett Emergency Specialists Observation Services, LLC enrolled in Medicare?

Yes. Gwinnett Emergency Specialists Observation Services, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gwinnett Emergency Specialists Observation Services, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 131 clinicians in 4 Medicare specialties reassign their Medicare billing to Gwinnett Emergency Specialists Observation Services, LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Emergency Medicine (87), Nurse Practitioner (38) and Pediatric Medicine (5). Of these, 34 practice at this address and 50 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Gwinnett Emergency Specialists Observation Services, LLC was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.