CS PACS 3 WEST LLC
NPI 1073378238
Hospitalist in Sunnyvale, CA

Active since February 16, 2024
1002 W FREMONT AVE, SUNNYVALE, CA 94087(408) 739-2383 Get Directions Write a Review

NPPES record last updated: June 16, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 16, 2025, Sep 10, 2024, Jul 9, 2024 (3 updates tracked since 2024).

About Cs Pacs 3 West Llc NPPES

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

CS PACS 3 WEST LLC (NPI 1073378238) is a healthcare organization registered as a hospitalist in Sunnyvale, California and active in the NPI registry since February 2024. The organization lists Darren Swenson, President, as its authorized official.

NPPES Registry Identity

NPI1073378238
Entity TypeOrganization
Primary Taxonomy208M00000X
Legal Business NameCS PACS 3 WEST LLC
Location Address1002 W FREMONT AVESunnyvale, CA 94087-3031
Mailing Address1643 Nw 136th Avenue, Building H, Suite 100Sunrise, FL 33323 · (865) 500-1325
Organization SubpartNo
Authorized OfficialDarren SwensonPresident · (865) 693-1000
Enumeration DateFebruary 16, 2024
Last NPPES UpdateJune 16, 20253 updates tracked since enumeration
NPPES CertifiedJune 16, 2025
✔ NPI 1073378238 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
1002 W FREMONT AVE, Sunnyvale, CA 94087

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)

Cs Pacs 3 West Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

117

Medicare enrollment records show 117 clinicians reassign Medicare billing to Cs Pacs 3 West LLC, which bills Medicare for the services they deliver. Of these, 1 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 9

Nurse Practitioner62
Internal Medicine31
Family Practice16
Geriatric Medicine2
Physical Medicine and Rehabilitation2
Emergency Medicine1
General Practice1
General Surgery1
1 other specialty1

Nearest to this location (20)

See all 117
Internal Medicine
NPI 1225129836
340 DARDANELLI LN SUITE 13
Los Gatos, CA 95032
(408) 379-8140
✔ PECOS✔ Accepts Medicare7.8 mi
Nurse Practitioner
NPI 1811410145
5748 SAN LORENZO DR
San Jose, CA 95123
(805) 720-1403
✔ PECOS✔ Accepts Medicare13 mi
Nurse Practitioner
NPI 1821679416
302 SILVER AVE
San Francisco, CA 94112
(415) 334-2500
✔ PECOS33 mi
Internal Medicine
NPI 1457739161
1220 ROSSMOOR PKWY
Walnut Creek, CA 94595
(925) 947-3393
✔ PECOS✔ Accepts Medicare36 mi
Nurse Practitioner
NPI 1104550425
2930 DOMINGO AVE # 1565
Berkeley, CA 94705
(510) 399-0793
✔ PECOS✔ Accepts Medicare37 mi
Geriatric Medicine
NPI 1679545743
1510 4TH ST 1
Berkeley, CA 94710
(510) 525-8980
✔ PECOS39 mi
Nurse Practitioner
NPI 1528743697
2200 TUOLUMNE ST
Vallejo, CA 94589
(707) 644-7401
✔ PECOS✔ Accepts Medicare55 mi
Nurse Practitioner
NPI 1760073746
11633 VICTORY BLVD STE 100
North Hollywood, CA 91606
(888) 530-4415
✔ PECOS300 mi
Nurse Practitioner
NPI 1962883553
8612 COPPER KNOLL AVE
Las Vegas, NV 89129
(132) 333-8610
✔ PECOS✔ Accepts Medicare383 mi
General Surgery
NPI 1619244704
3150 N TENAYA WAY 480
Las Vegas, NV 89128
(401) 862-4597
✔ PECOS385 mi
Internal Medicine
NPI 1427073824
7473 W LAKE MEAD BLVD STE 213
Las Vegas, NV 89128
(702) 562-1230
✔ PECOS✔ Accepts Medicare385 mi
Internal Medicine
NPI 1497117956
2880 N TENAYA WAY STE 400
Las Vegas, NV 89128
(702) 962-9550
✔ PECOS✔ Accepts Medicare386 mi
Family Practice
NPI 1457472490
7391 W CHARLESTON BLVD SUITE 140
Las Vegas, NV 89117
(702) 304-2144
✔ PECOS✔ Accepts Medicare386 mi
Family Practice
NPI 1881827814
540 N NELLIS BLVD
Las Vegas, NV 89110
(702) 877-5199
✔ PECOS✔ Accepts Medicare396 mi
General Practice
NPI 1811124589
2440 W HORIZON RIDGE PKWY STE 100
Henderson, NV 89052
(702) 798-7171
✔ PECOS✔ Accepts Medicare398 mi
Infectious Disease
NPI 1477841914
2510 W DUNLAP AVE SUITE 290
Phoenix, AZ 85021
(602) 789-0344
✔ PECOS✔ Accepts Medicare618 mi
Physical Medicine and Rehabilitation
NPI 1649265406
2510 W DUNLAP AVE STE 290
Phoenix, AZ 85021
(602) 789-0344
✔ PECOS618 mi
Emergency Medicine
NPI 1518377985
350 W THOMAS RD
Phoenix, AZ 85013
(602) 406-3000
✔ PECOS622 mi
Physical Medicine and Rehabilitation
NPI 1528177508
1921 W HOSPITAL DR
Tucson, AZ 85704
(520) 742-2800
✔ PECOS✔ Accepts Medicare717 mi
Geriatric Medicine
NPI 1508847369
3945 E PARADISE FALLS DRIVE STE 201
Tucson, AZ 85712
(520) 615-6200
✔ PECOS723 mi
See all 117 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 Cs Pacs 3 West LLC's NPI number?

The NPI number for Cs Pacs 3 West LLC is 1073378238. It was assigned to this organization in the NPPES registry on February 16, 2024.

Where is Cs Pacs 3 West LLC located?

Cs Pacs 3 West LLC is located at 1002 W Fremont Ave, Sunnyvale, CA 94087. The listed phone number is (408) 739-2383.

What is Cs Pacs 3 West LLC's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Cs Pacs 3 West LLC enrolled in Medicare?

Yes. Cs Pacs 3 West LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Cs Pacs 3 West LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 117 clinicians in 9 Medicare specialties reassign their Medicare billing to Cs Pacs 3 West 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 Nurse Practitioner (62), Internal Medicine (31) and Family Practice (16). Of these, 1 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 Cs Pacs 3 West LLC was last updated on June 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.