DR. GARY K SOFFER MD
NPI 1477991867
Allergy & Immunology in Greenwich, CT

Q: What is Gary Soffer's NPI number?

The NPI number for Gary Soffer is 1477991867. It was assigned to this individual provider in the NPPES registry on June 7, 2013.

Q: What is Gary Soffer's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Q: When was this NPI record last updated?

The NPPES record for Gary Soffer was last updated on October 29, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since June 07, 2013PECOS Enrolled

5 PERRYRIDGE RD, GREENWICH, CT 06830(203) 785-4643 Get Directions Write a Review

NPPES record last updated: October 29, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 29, 2018, Sep 19, 2018, Jun 12, 2018 (3 updates tracked since 2018).

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About Dr. Gary K Soffer Md NPPES

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

DR. GARY K SOFFER MD (NPI 1477991867) is an individual allergy & immunology provider in Greenwich, Connecticut, licensed in Connecticut (61789) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1477991867

Entity TypeIndividualMale

Primary Taxonomy207K00000X

Provider Legal NameDR. GARY K SOFFERCredential: MD

Location Address5 PERRYRIDGE RDGreenwich, CT 06830-4608

Mailing AddressPo Box 208064New Haven, CT 06520-8064

Phone(203) 785-4643

Sole ProprietorYes

Enumeration DateJune 7, 2013

Last NPPES UpdateOctober 29, 20183 updates tracked since enumeration

✔ NPI 1477991867 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

Licenses✔ Licensed in CT · 61789✔ Licensed in NY · 283311-1

Definition

An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

Also ListedPediatricsTaxonomy 208000000X · License 283311-1 (NY)

5 PERRYRIDGE RD, Greenwich, CT 06830

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Secondary Practice Locations 2

Location 1111 E 210th, Montefiore Medical CenterNew York, NY 10467 · Phone (718) 920-4321

Location 2333 Cedar St # 208064New Haven, CT 06510-3206 · Phone (845) 729-1662

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gary K Soffer 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.

Medicare Billing Reassignment

Medicare enrollment records show Gary Soffer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Yale University

41 mi

Advanced Practice Midwife

100 CHURCH ST S STE 200, YALE SCHOOL OF NURSING
New Haven, CT 06519

Reassigned Medicare billing, Connecticut enrollment
3,728 clinicians in this Medicare group

NPI 1124148887 (203) 737-5432

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

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.

ZARA NADIA ILAHI MD

Pediatrics (Neonatal-Perinatal Medicine)

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3000

MR. PAUL GREGORY LOFTUS MS

Physical Medicine & Rehabilitation

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3203

SARAH STAMPER M.D.

Student in an Organized Health Care Education/Training Program

5 PERRYRIDGE RD, MEDICAL EDUCATION
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3409

JUNE EVELYN JEON MD

Student in an Organized Health Care Education/Training Program

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3000

ARIANA DOMINICUS PA-C

Physician Assistant

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3000

ERIC LI-MING HUANG BSC, PHARMD

Pharmacist (Pharmacotherapy)

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3199

ROSEMARY PERLEY-KWAUK CRNA

Nurse Anesthetist, Certified Registered

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 661-5330

DR. FRANCISCO J BREA MD

Anesthesiology

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 661-5330

ANNE YAN TING CHUA MBBS

Student in an Organized Health Care Education/Training Program

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3409

JOHN TENBUSCH LCSW

Social Worker (Clinical)

5 PERRYRIDGE RD, ARC 3RD FLOOR
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3570

DR. STEVEN SMITH M.D.

Internal Medicine

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3911

PATRICK JOSEPH KENNEDY MD

Student in an Organized Health Care Education/Training Program

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3911

DR. SABITHA RAJAN M.D.

Hospitalist

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3685

BARBARA CYNTHIA NG MD

Student in an Organized Health Care Education/Training Program

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (514) 995-7710

SARAH ESAA M.D.

Student in an Organized Health Care Education/Training Program

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3911

JACLYN SUZANNE PORCO

Registered Nurse

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (212) 746-2959

GRANT J RIEW MD

Student in an Organized Health Care Education/Training Program

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3922

ERIC J DIAMOND M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

5 PERRYRIDGE RD, PATHOLOGY DEPARTMENT
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3061

DR. HALLEY MARISA HINDMAN D.O.

Radiology (Diagnostic Radiology)

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3409

CHRISTOPHER MILLER APRN

Nurse Practitioner (Acute Care)

5 PERRYRIDGE RD
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 863-3000

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 Gary Soffer's NPI number?

The NPI number for Gary Soffer is 1477991867. It was assigned to this individual provider in the NPPES registry on June 7, 2013.

Where is Gary Soffer located?

Gary Soffer practices at 5 Perryridge Rd, Greenwich, CT 06830. The listed phone number is (203) 785-4643.

What is Gary Soffer's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Gary Soffer enrolled in Medicare?

Yes. Gary Soffer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gary Soffer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gary Soffer reassigns Medicare benefits to Yale University (New Haven, CT). The 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 Gary Soffer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gary Soffer accept?

Health plans from Anthem Blue Cross and Blue Shield list Gary Soffer 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 Gary Soffer was last updated on October 29, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.