SOUTHWEST SUFFOLK MEDICAL, P.C.
NPI 1104096049
Surgery - Surgical Oncology in Smithtown, NY

Active since March 06, 2008
48 ROUTE 25A, SMITHTOWN, NY 11787(631) 862-3000(631) 224-8560 Get Directions Write a Review

NPPES record last updated: April 28, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Southwest Suffolk Medical, P.c. NPPES

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

SOUTHWEST SUFFOLK MEDICAL, P.C. (NPI 1104096049) is a healthcare organization registered as a surgical oncology in Smithtown, New York and active in the NPI registry since March 2008. The organization lists Dave M Hannigan, Manager Of Physicians Bill, as its authorized official.

NPPES Registry Identity

NPI1104096049
Entity TypeOrganization
Primary Taxonomy2086X0206X
Legal Business NameSOUTHWEST SUFFOLK MEDICAL, P.C.
Location Address48 ROUTE 25ASmithtown, NY 11787-1431
Mailing Address48 Route 25aSmithtown, NY 11787-1431 · (631) 862-3000 · Fax (631) 224-8560
Fax(631) 224-8560
Organization SubpartNo
Authorized OfficialDave M HanniganManager Of Physicians Bill · (631) 224-8533
Enumeration DateMarch 6, 2008
Last NPPES UpdateApril 28, 2008
✔ NPI 1104096049 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgery · Surgical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2086X0206X
Definition
A surgical oncologist is a well-qualified surgeon who has obtained additional training and experience in the multidisciplinary approach to the prevention, diagnosis, treatment, and rehabilitation of cancer patients, and devotes a major portion of his or her professional practice to these activities and cancer research.
Also ListedSurgeryTaxonomy 208600000X
48 ROUTE 25A, Smithtown, NY 11787

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)

Southwest Suffolk Medical, P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

347

Medicare enrollment records show 347 clinicians reassign Medicare billing to Southwest Suffolk Medical, P.C., which bills Medicare for the services they deliver. Of these, 27 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 15

Internal Medicine152
Hospitalist118
Family Practice32
Nurse Practitioner14
Pulmonary Disease13
Cardiovascular Disease (Cardiology)5
Emergency Medicine2
General Practice2
7 other specialties9

Nearest to this location (20)

See all 347
Internal Medicine
NPI 1942409891
50 ROUTE 25A
Smithtown, NY 11787
(516) 550-9865
✔ PECOS✔ Accepts Medicare0.2 mi
Hospitalist
NPI 1033540059
50 ROUTE 25A
Smithtown, NY 11787
(631) 862-3000
✔ PECOS✔ Accepts Medicare0.2 mi
Internal Medicine
NPI 1750651238
50 ROUTE 25A
Smithtown, NY 11787
(631) 862-3000
✔ PECOS✔ Accepts Medicare0.2 mi
Hospitalist
NPI 1427289438
50 ROUTE 25A
Smithtown, NY 11787
(631) 862-3000
✔ PECOS✔ Accepts Medicare0.2 mi
Internal Medicine
NPI 1356612717
50 ROUTE 25A
Smithtown, NY 11787
(718) 334-2490
✔ PECOS✔ Accepts Medicare0.2 mi
Hospitalist
NPI 1184660003
267 E MAIN ST BLDG C
Smithtown, NY 11787
(631) 418-8069
✔ PECOS1.4 mi
Internal Medicine
NPI 1730708694
50 NEW YORK AVE # 25A
Smithtown, NY 11787
(631) 862-3000
✔ PECOS✔ Accepts Medicare1.8 mi
Geriatric Medicine
NPI 1548288954
267 E MAIN ST BLDG A
Smithtown, NY 11787
(631) 758-7003
✔ PECOS✔ Accepts Medicare2.6 mi
Hospitalist
NPI 1053476549
14 YELLOW TOP LN
Smithtown, NY 11787
(347) 722-2907
✔ PECOS✔ Accepts Medicare3.0 mi
Nurse Practitioner
NPI 1396173258
732 SMITHTOWN BYP STE 200
Smithtown, NY 11787
(631) 278-1651
✔ PECOS✔ Accepts Medicare3.3 mi
Hospitalist
NPI 1356349633
283 COMMACK RD
Commack, NY 11725
(631) 499-2226
✔ PECOS✔ Accepts Medicare4.3 mi
Internal Medicine
NPI 1447788575
100 NICHOLLS ROAD
Stony Brook, NY 11794
(631) 689-8333
✔ PECOS✔ Accepts Medicare4.8 mi
Internal Medicine
NPI 1164876389
8 MOSSHILL PL
Stony Brook, NY 11790
(516) 838-9955
✔ PECOS✔ Accepts Medicare5.0 mi
Internal Medicine
NPI 1730742966
DEPT OF MEDICINE HSC LEVEL 16 SUNY STONY BROOK HOSPITAL
Stony Brook, NY 11794
(631) 444-2058
✔ PECOS✔ Accepts Medicare6.1 mi
Internal Medicine
NPI 1972980647
HSC L2-144
Stony Brook, NY 11794
(631) 444-4630
✔ PECOS✔ Accepts Medicare6.3 mi
Hospitalist
NPI 1336465673
STONY BRROK UNIVERSITY HOSPITAL MEDICAL STAFF OFFICE T9
Stony Brook, NY 11794
(631) 444-2754
✔ PECOS6.4 mi
Family Practice
NPI 1659426468
7 BITTERSWEET CT
Centerport, NY 11721
(631) 681-4550
✔ PECOS✔ Accepts Medicare6.9 mi
Cardiovascular Disease (Cardiology)
NPI 1104138627
5 CUBA HILL RD
Greenlawn, NY 11740
(631) 628-5000
✔ PECOS✔ Accepts Medicare7.2 mi
Hospitalist
NPI 1205093374
181 N BELLE MEAD RD STE 2
East Setauket, NY 11733
(631) 444-5858
✔ PECOS✔ Accepts Medicare7.5 mi
Family Practice
NPI 1831553320
170 W MAIN ST
East Islip, NY 11730
(631) 581-2049
✔ PECOS✔ Accepts Medicare9.7 mi
See all 347 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 Southwest Suffolk Medical, P.C.'s NPI number?

The NPI number for Southwest Suffolk Medical, P.C. is 1104096049. It was assigned to this organization in the NPPES registry on March 6, 2008.

Where is Southwest Suffolk Medical, P.C. located?

Southwest Suffolk Medical, P.C. is located at 48 Route 25A, Smithtown, NY 11787. The listed phone number is (631) 862-3000.

What is Southwest Suffolk Medical, P.C.'s specialty?

The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.

Is Southwest Suffolk Medical, P.C. enrolled in Medicare?

Yes. Southwest Suffolk Medical, P.C. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Southwest Suffolk Medical, P.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 347 clinicians in 15 Medicare specialties reassign their Medicare billing to Southwest Suffolk Medical, P.C.. 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 Internal Medicine (152), Hospitalist (118) and Family Practice (32). Of these, 27 practice 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 Southwest Suffolk Medical, P.C. was last updated on April 28, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.