SOUTHERN CALIFORNIA HOSPITALIST NETWORK MEDICAL GROUP INC
NPI 1790880458
Internal Medicine in Orange, CA

Active since September 14, 2006
625 THE CITY DR S STE 320, ORANGE, CA 92868(714) 202-2330(714) 333-4130 Get Directions Write a Review

NPPES record last updated: December 11, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 11, 2024, Mar 22, 2019 (2 updates tracked since 2019).

About Southern California Hospitalist Network Medical Group Inc NPPES

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

SOUTHERN CALIFORNIA HOSPITALIST NETWORK MEDICAL GROUP INC (NPI 1790880458) is a healthcare organization registered as an internal medicine in Orange, California and active in the NPI registry since September 2006. The organization lists Kristin Hasty, Delegated Official, as its authorized official.

NPPES Registry Identity

NPI1790880458
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameSOUTHERN CALIFORNIA HOSPITALIST NETWORK MEDICAL GROUP INC
Location Address625 THE CITY DR S STE 320Orange, CA 92868-4978
Mailing AddressPo Box 8206Anaheim, CA 92812-0206 · (714) 780-5695 · Fax (714) 780-5694
Fax(714) 333-4130
Organization SubpartNo
Authorized OfficialKristin HastyDelegated Official · (714) 202-2330
Enumeration DateSeptember 14, 2006
Last NPPES UpdateDecember 11, 20242 updates tracked since enumeration
NPPES CertifiedDecember 11, 2024
✔ NPI 1790880458 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
625 THE CITY DR S STE 320, Orange, CA 92868

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE 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)

Southern California Hospitalist Network Medical Group Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

187

Medicare enrollment records show 187 clinicians reassign Medicare billing to Southern California Hospitalist Network Medical Group Inc, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 19 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 18

Internal Medicine66
Family Practice27
Cardiovascular Disease (Cardiology)24
Hospitalist11
Nurse Practitioner11
Nephrology9
Critical Care (Intensivists)8
Neurology8
10 other specialties23

Nearest to this location (20)

See all 187
Internal Medicine
NPI 1700100732
625 THE CITY DR S
Orange, CA 92868
(714) 202-2330
✔ PECOS✔ Accepts MedicareSame address
Critical Care (Intensivists)
NPI 1518983899
1100 W STEWART DR
Orange, CA 92868
(714) 633-9111
✔ PECOS✔ Accepts Medicare1.4 mi
Internal Medicine
NPI 1942279880
1100 W STEWART DR STE 3205
Orange, CA 92868
(714) 771-8000
✔ PECOS✔ Accepts Medicare1.4 mi
Internal Medicine
NPI 1326145079
2040 S SANTA CRUZ ST STE 240
Anaheim, CA 92805
(714) 202-2330
✔ PECOS✔ Accepts Medicare1.4 mi
Internal Medicine
NPI 1760633630
2040 S SANTA CRUZ ST STE 240
Anaheim, CA 92805
(714) 202-2330
✔ PECOS✔ Accepts Medicare1.4 mi
Internal Medicine
NPI 1649210493
2040 S SANTA CRUZ ST STE 240
Anaheim, CA 92805
(714) 202-2330
✔ PECOS✔ Accepts Medicare1.4 mi
Critical Care (Intensivists)
NPI 1457329674
1010 W LA VETA AVE STE 750
Orange, CA 92868
(714) 361-6600
✔ PECOS✔ Accepts Medicare1.4 mi
Critical Care (Intensivists)
NPI 1316047913
1010 W LA VETA AVE STE 750
Orange, CA 92868
(714) 361-6600
✔ PECOS✔ Accepts Medicare1.5 mi
Critical Care (Intensivists)
NPI 1699785279
1010 W LA VETA AVE STE 750
Orange, CA 92868
(714) 361-6600
✔ PECOS✔ Accepts Medicare1.5 mi
Internal Medicine
NPI 1477633626
1010 W LA VETA AVE STE 750
Orange, CA 92868
(714) 639-9401
✔ PECOS✔ Accepts Medicare1.5 mi
Critical Care (Intensivists)
NPI 1639246580
1010 W LA VETA AVE STE 750
Orange, CA 92868
(714) 639-9401
✔ PECOS✔ Accepts Medicare1.5 mi
Anesthesiology
NPI 1699758128
280 S MAIN ST STE 100
Orange, CA 92868
(714) 704-1900
✔ PECOS✔ Accepts Medicare1.6 mi
Internal Medicine
NPI 1093784191
2501 E CHAPMAN AVE
Orange, CA 92869
(714) 771-8000
✔ PECOS✔ Accepts Medicare3.6 mi
Family Practice
NPI 1720424286
17220 NEWHOPE ST STE 125
Fountain Valley, CA 92708
(714) 617-4310
✔ PECOS✔ Accepts Medicare4.9 mi
Internal Medicine
NPI 1184893133
17100 EUCLID ST
Fountain Valley, CA 92708
(714) 966-7200
✔ PECOS✔ Accepts Medicare5.1 mi
Internal Medicine
NPI 1306139035
136 S LINHAVEN CIR
Anaheim, CA 92804
(714) 519-4674
✔ PECOS✔ Accepts Medicare5.4 mi
Internal Medicine
NPI 1760588776
1801 W ROMNEYA DR SUITE # 601B
Anaheim, CA 92801
(714) 780-5695
✔ PECOS✔ Accepts Medicare6.1 mi
Internal Medicine
NPI 1790881795
1801 W ROMNEYA DR SUITE # 601B
Anaheim, CA 92801
(714) 780-5695
✔ PECOS✔ Accepts Medicare6.1 mi
Internal Medicine
NPI 1891711909
9940 TALBERT AVE STE 101
Fountain Valley, CA 92708
(949) 478-1894
✔ PECOS✔ Accepts Medicare6.6 mi
Family Practice
NPI 1881122315
1850 S AZUSA AVE STE 201
Hacienda Heights, CA 91745
(626) 913-2383
✔ PECOS✔ Accepts Medicare15 mi
See all 187 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 Southern California Hospitalist Network Medical Group Inc's NPI number?

The NPI number for Southern California Hospitalist Network Medical Group Inc is 1790880458. It was assigned to this organization in the NPPES registry on September 14, 2006.

Where is Southern California Hospitalist Network Medical Group Inc located?

Southern California Hospitalist Network Medical Group Inc is located at 625 The City Dr S Ste 320, Orange, CA 92868. The listed phone number is (714) 202-2330.

What is Southern California Hospitalist Network Medical Group Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Southern California Hospitalist Network Medical Group Inc enrolled in Medicare?

Yes. Southern California Hospitalist Network Medical Group Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Southern California Hospitalist Network Medical Group Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 187 clinicians in 18 Medicare specialties reassign their Medicare billing to Southern California Hospitalist Network Medical Group Inc. 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 (66), Family Practice (27) and Cardiovascular Disease (Cardiology) (24). Of these, 1 practice at this address and 19 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 Southern California Hospitalist Network Medical Group Inc was last updated on December 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.