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UNIVERSITY HEALTHCARE ALLIANCE
NPI 1760531198
Internal Medicine in Newark, CA

Active since January 08, 2007CLIA Certified · 4 labs
7999 GATEWAY BLVD STE 200, NEWARK, CA 94560(888) 924-1036 Get Directions Write a Review

NPPES record last updated: March 17, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 17, 2026, Mar 5, 2026, Jun 23, 2020 and 2 more (5 updates tracked since 2016).

About University Healthcare Alliance NPPES

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

UNIVERSITY HEALTHCARE ALLIANCE (NPI 1760531198) is a healthcare organization registered as an internal medicine in Newark, California and active in the NPI registry since January 2007. The organization holds 4 active CLIA laboratory certificates, maintains 52 additional practice locations, and lists Kristine M Ruslen, Director Reimbursement, as its authorized official.

NPPES Registry Identity

NPI1760531198
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameUNIVERSITY HEALTHCARE ALLIANCE
Location Address7999 GATEWAY BLVD STE 200Newark, CA 94560-1197
Mailing AddressPo Box 742244Los Angeles, CA 90074-2244 · (888) 924-1036
Phone(888) 924-1036
Organization SubpartNo
Authorized OfficialKristine M RuslenDirector Reimbursement · (510) 974-8297
Enumeration DateJanuary 8, 2007
Last NPPES UpdateMarch 17, 20265 updates tracked since enumeration
NPPES CertifiedMarch 17, 2026
✔ NPI 1760531198 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 15

★ 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.
Also ListedAllergy & ImmunologyTaxonomy 207K00000X
Also ListedDermatologyTaxonomy 207N00000X
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X
Also ListedInternal Medicine · Endocrinology, Diabetes & MetabolismTaxonomy 207RE0101X
Also ListedInternal Medicine · GastroenterologyTaxonomy 207RG0100X
Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X
Also ListedInternal Medicine · RheumatologyTaxonomy 207RR0500X
Also ListedObstetrics & GynecologyTaxonomy 207V00000X
Also ListedOphthalmologyTaxonomy 207W00000X
Also ListedOrthopaedic SurgeryTaxonomy 207X00000X
Also ListedOtolaryngologyTaxonomy 207Y00000X
Also ListedSurgeryTaxonomy 208600000X
Also ListedPodiatristTaxonomy 213E00000X
Also ListedNurse Practitioner · Obstetrics & GynecologyTaxonomy 363LX0001X
7999 GATEWAY BLVD STE 200, Newark, CA 94560
Open in Google Maps ↗

Secondary Practice Locations 52

Location 1321 Middlefield Rd Ste 260Menlo Park, CA 94025-4010 · Phone (650) 498-6500
Location 22222 East St Ste 260Concord, CA 94520-2074 · Phone (925) 695-0030
Location 35575 W Las Positas Blvd Ste 330Pleasanton, CA 94588-5804 · Phone (925) 734-9294
Location 4911 Moraga Rd Ste 201Lafayette, CA 94549-4500 · Phone (925) 284-3040
Location 53100 Telegraph Ave Ste 2102Oakland, CA 94609-3210 · Phone (510) 286-8160
Location 65575 W Las Positas Blvd Ste 210Pleasanton, CA 94588-5802 · Phone (925) 416-5430
Location 72204 Grant Rd Ste 203Mountain View, CA 94040-3877 · Phone (650) 450-5120
Location 81133 E Stanley Blvd Ste 101Livermore, CA 94550-4270 · Phone (925) 454-4280
Location 93100 Telegraph Ave Ste 2109Oakland, CA 94609-3210 · Phone (510) 645-9900
Location 1020126 Stanton Ave Ste 201Castro Valley, CA 94546-5270 · Phone (510) 581-2559
Location 113000 Colby St Ste 206Berkeley, CA 94705-2058 · Phone (510) 893-1700
Location 12106 La Casa Via Ste 140Walnut Creek, CA 94598-3084 · Phone (925) 274-2860
Location 1314251 Winchester Blvd Ste 200Los Gatos, CA 95032-1811 · Phone (408) 426-5540
Location 1450 E Hamilton Ave Ste 120Campbell, CA 95008-0251 · Phone (408) 357-1410
Location 15455 OConnor Dr Ste 210San Jose, CA 95128-1632 · Phone (408) 995-5453
Location 16319 Diablo RdDanville, CA 94526-3428 · Phone (925) 314-0260
Location 176475 Camden Ave Ste 105San Jose, CA 95120-2847 · Phone (408) 997-9155
Location 1815425 Los Gatos Blvd Ste And120Los Gatos, CA 95032-2553 · Phone (408) 354-3920 · Fax (408) 340-5700
Location 19365 Hawthorne Ave Ste 301Oakland, CA 94609-3113 · Phone (510) 893-1700
Location 20350 30th St Ste 311Oakland, CA 94609-3425 · Phone (510) 465-0941
Location 212577 Samaritan Dr Ste 845San Jose, CA 95124-4110 · Phone (408) 358-8507
Location 2215400 National Ave Ste 95032Los Gatos, CA 95032-2433 · Phone (408) 358-8444
Location 232101 Forest Ave Ste 124San Jose, CA 95128-1424 · Phone (408) 886-3856
Location 24825 Pollard Rd Ste 108Los Gatos, CA 95032-1435 · Phone (408) 370-3774
Location 252900 Whipple Ave Ste 145Redwood City, CA 94062-2844 · Phone (650) 368-0520
Location 262557 Mowry Ave Ste 34Fremont, CA 94538-1614 · Phone (510) 794-5320
Location 27100 A San Pablo Towne CenterSan Pablo, CA 94806 · Phone (510) 452-1345
Location 2815151 National AveLos Gatos, CA 95032-2627 · Phone (408) 356-0431
Location 294725 1st St Ste 100Pleasanton, CA 94566-7366 · Phone (925) 462-7060
Location 305725 W Las Positas Blvd Ste And110Pleasanton, CA 94588-4054 · Phone (925) 416-6767
Location 315565 W Las Positas Blvd Ste 200Pleasanton, CA 94588-5806 · Phone (925) 416-5460
Location 321133 E Stanley Blvd Ste 203Livermore, CA 94550-4246 · Phone (925) 373-4129
Location 331133 E Stanley Blvd Ste 207Livermore, CA 94550-4246 · Phone (925) 454-6390
Location 3427212 Calaroga AveHayward, CA 94545-4339 · Phone (510) 785-5000
Location 352410 Samaritan Dr Ste 201San Jose, CA 95124-3909 · Phone (408) 371-9010
Location 361300 Crane StMenlo Park, CA 94025-4260 · Phone (650) 498-6500
Location 371133 E Stanley Blvd Ste 205Livermore, CA 94550-4246 · Phone (925) 373-4129
Location 385575 W Las Positas Blvd Ste 130Pleasanton, CA 94588-5800 · Phone (925) 463-0590
Location 394456 Black Ave Ste 100Pleasanton, CA 94566-6147 · Phone (925) 462-8100
Location 405565 W Las Positas Blvd Ste 260Pleasanton, CA 94588-5807 · Phone (925) 416-5470
Location 41700 W Parr Ave Ste ALos Gatos, CA 95032-1416 · Phone (408) 866-1135
Location 4220126 Stanton Ave Ste 100Castro Valley, CA 94546-5270 · Phone (510) 537-3556
Location 435725 W Las Positas Blvd Ste 100Pleasanton, CA 94588-4007 · Phone (925) 734-8130
Location 445601 Norris Canyon Rd Ste 300San Ramon, CA 94583-2180 · Phone (925) 830-9293
Location 455201 Norris Canyon Rd Ste 220San Ramon, CA 94583-5405 · Phone (925) 277-1900
Location 462305 Camino Ramon Ste 200San Ramon, CA 94583-1316 · Phone (925) 242-0647
Location 472500 Hospital Dr Ste 4AMountain View, CA 94040-4110 · Phone (650) 940-1006
Location 48365 Hawthorne Ave Ste 201Oakland, CA 94609-3114 · Phone (510) 452-1345
Location 49388 9th St Ste 250Oakland, CA 94607-4294 · Phone (510) 271-0133
Location 50798 S Winchester BlvdSan Jose, CA 95128-2928 · Phone (408) 984-7226
Location 5114777 Los Gatos Blvd Fl 2Los Gatos, CA 95032-2059 · Phone (888) 924-1036
Location 522623 Shadelands Dr Ste 1Walnut Creek, CA 94598-2512 · Phone (925) 933-8462

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)

University Healthcare Alliance is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

420

Medicare enrollment records show 420 clinicians reassign Medicare billing to University Healthcare Alliance, which bills Medicare for the services they deliver. Of these, 109 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 37

Family Practice75
Internal Medicine53
Obstetrics/Gynecology49
Nurse Practitioner33
Diagnostic Radiology26
Critical Care (Intensivists)18
Pulmonary Disease17
Radiation Oncology15
29 other specialties134

Nearest to this location (20)

See all 420
Houman Sharifi, M.D
Internal Medicine
NPI 1689808073
27206 CALAROGA AVE STE 105
Hayward, CA 94545
(510) 785-5000
✔ PECOS✔ Accepts Medicare6.6 mi
Setareh Hafezi, M.D.
Obstetrics/Gynecology
NPI 1285807495
27212 CALAROGA AVE
Hayward, CA 94545
(510) 785-5000
✔ PECOS✔ Accepts Medicare6.6 mi
Krishna Misra, MD
Diagnostic Radiology
NPI 1811929110
27212 CALAROGA AVE
Hayward, CA 94545
(510) 785-5000
✔ PECOS✔ Accepts Medicare6.6 mi
Melinda Ragins, M.D.
Pediatric Medicine
NPI 1841235611
27212 CALAROGA AVE
Hayward, CA 94545
(510) 785-5000
✔ PECOS6.6 mi
Jaclyn Moor, AUD
Qualified Audiologist
NPI 1689273856
2452 WATSON CT STE 1700
Palo Alto, CA 94303
(650) 723-5281
6.9 mi
Yu-Wen Chang, DO
Family Practice
NPI 1598258154
321 MIDDLEFIELD RD STE 260
Menlo Park, CA 94025
(650) 498-3522
✔ PECOS✔ Accepts Medicare8.1 mi
Diana Leu, MD
Dermatology
NPI 1609032242
321 MIDDLEFIELD RD
Menlo Park, CA 94025
(650) 498-6500
✔ PECOS✔ Accepts Medicare8.1 mi
Charlie Michaudet, MD
Sports Medicine
NPI 1770802647
321 MIDDLEFIELD RD STE 260
Menlo Park, CA 94025
(650) 498-6500
✔ PECOS✔ Accepts Medicare8.1 mi
Janice Janas, MD
Otolaryngology
NPI 1043273485
1300 CRANE STREET
Menco Park, CA 94025
(650) 498-6500
✔ PECOS✔ Accepts Medicare9.0 mi
Martin Bronk, MD
General Surgery
NPI 1083678726
1300 CRANE STREET
Menlo Park, CA 94025
(650) 498-6500
✔ PECOS✔ Accepts Medicare9.0 mi
Mara Giattina, MD
Cardiovascular Disease (Cardiology)
NPI 1578521548
1300 CRANE ST
Menlo Park, CA 94025
(650) 498-6500
✔ PECOS✔ Accepts Medicare9.0 mi
Diane Hester, MS RD
Registered Dietitian or Nutrition Professional
NPI 1235306184
1300 CRANE STREET
Menlo Park, CA 94025
(650) 498-6500
✔ Accepts Medicare9.0 mi
Jenna Nguyen, MD
Allergy/Immunology
NPI 1437492147
1300 CRANE ST
Menlo Park, CA 94025
(650) 498-6500
✔ PECOS✔ Accepts Medicare9.0 mi
Tu Nguyen, MD
Gastroenterology
NPI 1497841969
1300 CRANE ST
Menlo Park, CA 94025
(650) 498-6500
✔ PECOS✔ Accepts Medicare9.0 mi
Courtney Owens, NP
Nurse Practitioner
NPI 1831883453
1300 CRANE ST
Menlo Park, CA 94025
(650) 498-6500
✔ PECOS✔ Accepts Medicare9.0 mi
Cathy Riker, MD
Rheumatology
NPI 1255448189
1300 CRANE ST
Menlo Park, CA 94025
(650) 498-6500
✔ PECOS✔ Accepts Medicare9.0 mi
Carolyn Senger, MD, MPH
Preventive Medicine
NPI 1083866834
1300 CRANE ST
Menlo Park, CA 94025
(650) 498-7489
✔ PECOS✔ Accepts Medicare9.0 mi
Jien Shim, M.D.
Endocrinology
NPI 1275875957
1300 CRANE ST
Menlo Park, CA 94025
(888) 924-1036
✔ PECOS✔ Accepts Medicare9.0 mi
Jeffrey Young, MD
Orthopedic Surgery
NPI 1336305275
730 WELCH RD 1ST FLOOR
Palo Alto, CA 94304
(650) 497-8263
✔ PECOS✔ Accepts Medicare9.2 mi
Jonathan Hootman, MD
Emergency Medicine
NPI 1982100798
701 WELCH RD BLDG C MC 5777
Mountain View, CA 94304
(507) 239-2156
✔ PECOS✔ Accepts Medicare9.2 mi
See all 420 clinicians

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

CLIA Laboratory Certificates CMS CLIA 4

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 05D1058003

University Healthcare Alliance · Los Gatos, CA
Active · expires Aug 27, 2028
CLIA Number05D1058003
Laboratory TypePhysician Office
Certificate Effective DateAugust 28, 2026
Certificate Expiration DateAugust 27, 2028
Laboratory DirectorMartin S. Silverman, MD
Laboratory Phone(408) 354-3920
Laboratory LocationUniversity Healthcare Alliance15151 National Ave, Los Gatos, CA 95032
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Certificate of Waiver 05D2126316

University Healthcare Alliance · Menlo Park, CA
Active · expires Feb 22, 2027
CLIA Number05D2126316
Laboratory TypePhysician Office
Certificate Effective DateFebruary 23, 2025
Certificate Expiration DateFebruary 22, 2027
Laboratory DirectorDaniel A. Huie
Laboratory Phone(650) 498-6500
Laboratory LocationUniversity Healthcare Alliance321 Middlefield Rd Ste 260, Menlo Park, CA 94025
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 05D0607674

University Healthcare Alliance · San Jose, CA
Active · expires Jan 4, 2027
CLIA Number05D0607674
Laboratory TypePhysician Office
Certificate Effective DateJanuary 5, 2025
Certificate Expiration DateJanuary 4, 2027
Laboratory DirectorDavid L. Griffith, MD
Laboratory Phone(408) 997-9155
Laboratory LocationUniversity Healthcare Alliance6475 Camden Ave Ste 105, San Jose, CA 95120
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 05D1015016

University Healthcare Alliance · Pleasanton, CA
Active · expires Jul 21, 2027
CLIA Number05D1015016
Laboratory TypePhysician Office
Certificate Effective DateJuly 22, 2025
Certificate Expiration DateJuly 21, 2027
Laboratory DirectorAnupama Velpuri
Laboratory Phone(925) 462-7060
Laboratory LocationUniversity Healthcare Alliance4725 First Street, Pleasanton, CA 94566
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

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 University Healthcare Alliance's NPI number?

The NPI number for University Healthcare Alliance is 1760531198. It was assigned to this organization in the NPPES registry on January 8, 2007.

Where is University Healthcare Alliance located?

University Healthcare Alliance is located at 7999 Gateway Blvd Ste 200, Newark, CA 94560. The listed phone number is (888) 924-1036.

What is University Healthcare Alliance's specialty?

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

Is University Healthcare Alliance enrolled in Medicare?

Yes. University Healthcare Alliance is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through University Healthcare Alliance?

According to the CMS Revalidation Reassignment List (October 2026 release), 420 clinicians in 37 Medicare specialties reassign their Medicare billing to University Healthcare Alliance. 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 Family Practice (75), Internal Medicine (53) and Obstetrics/Gynecology (49). Of these, 109 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does University Healthcare Alliance hold CLIA laboratory certificates?

Yes. 4 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for University Healthcare Alliance was last updated on March 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.