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GREGORY LUKE LARKIN MD
NPI 1205890084
Emergency Medicine in New Haven, CT

Active since April 17, 2006PECOS Enrolled
464 CONGRESS AVE STE 260, NEW HAVEN, CT 06519(203) 785-2353(203) 785-4580 Get Directions Write a Review

NPPES record last updated: February 10, 2017. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Gregory Luke Larkin Md NPPES

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

GREGORY LUKE LARKIN MD (NPI 1205890084) is an individual emergency medicine provider in New Haven, Connecticut, licensed in Pennsylvania (MD050271L) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1205890084
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameGREGORY LUKE LARKINCredential: MD
Location Address464 CONGRESS AVE STE 260New Haven, CT 06519-1361
Mailing Address464 Congress Ave Ste 260New Haven, CT 06519-1361 · (203) 785-2353 · Fax (203) 785-4580
Phone(203) 785-2353
Fax(203) 785-4580
Sole ProprietorYes
Enumeration DateApril 17, 2006
Last NPPES UpdateFebruary 10, 2017
✔ NPI 1205890084 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in PA · MD050271L
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.
464 CONGRESS AVE STE 260, New Haven, CT 06519
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Other Identifiers 3

Medicare UPINF23073
Medicare ID-Type Unspecified8887M3TX
Medicaid151006701TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource, Molina Healthcare, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gregory Luke Larkin Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
120 services116 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
99 services92 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
86 services76 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
31 services31 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06519 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MEGHAN ELIZABETH GWARA PA-C
Physician Assistant (Medical)
464 CONGRESS AVE STE 260
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 785-4404
DR. EDWARD ROBERT MELNICK M.D.
Emergency Medicine
464 CONGRESS AVE STE 260, YALE UNIV SCHOOL OF MED, DEPT OF EMERGENCY MEDICINE
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 772-6664
AISHA EDITH DROZ LOPEZ MD
Emergency Medicine
464 CONGRESS AVE STE 260
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 785-2353
SEAN P BUSH M.D.
Emergency Medicine
464 CONGRESS AVE STE 260
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (252) 917-9311
ZAINAB RASHEED
Physician Assistant (Medical)
464 CONGRESS AVE STE 260
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (571) 388-8353
DR. SHEEJA THOMAS MD
Emergency Medicine
464 CONGRESS AVE STE 260, YALE-NEW HAVEN HOSPITAL DEPT EMERGENCY MEDICINE
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 785-2353
MRS. CAITLYN MCNAMARA MCNIFF PA
Physician Assistant
464 CONGRESS AVE STE 260
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 785-4404
ALBAN HOLYOKE MD
Emergency Medicine
464 CONGRESS AVE STE 260
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 737-2644

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 Gregory Larkin's NPI number?

The NPI number for Gregory Larkin is 1205890084. It was assigned to this individual provider in the NPPES registry on April 17, 2006.

Where is Gregory Larkin located?

Gregory Larkin practices at 464 Congress Ave Ste 260, New Haven, CT 06519. The listed phone number is (203) 785-2353.

What is Gregory Larkin's specialty?

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

Is Gregory Larkin enrolled in Medicare?

Yes. Gregory Larkin is registered in the Medicare PECOS enrollment system.

What insurance does Gregory Larkin accept?

Health plans from CareSource, Molina Healthcare and Providence Health Plan list Gregory Larkin as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gregory Larkin was last updated on February 10, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years 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.