QUANTUM BAY AREA HOSPITALIST MEDICAL GROUP INC
NPI 1902279656
Hospitalist in Mountain View, CA

Active since November 03, 2015
2500 GRANT RD, MOUNTAIN VIEW, CA 94040(650) 940-7000 Get Directions Write a Review

NPPES record last updated: October 7, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 7, 2020, Aug 7, 2020, Feb 5, 2016 and 1 more (4 updates tracked since 2015).

About Quantum Bay Area Hospitalist Medical Group Inc NPPES

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

QUANTUM BAY AREA HOSPITALIST MEDICAL GROUP INC (NPI 1902279656) is a healthcare organization registered as a hospitalist in Mountain View, California and active in the NPI registry since November 2015. The organization maintains 2 additional practice locations and lists Bruce T. Gipe, President, as its authorized official.

NPPES Registry Identity

NPI1902279656
Entity TypeOrganization
Primary Taxonomy208M00000X
Legal Business NameQUANTUM BAY AREA HOSPITALIST MEDICAL GROUP INC
Location Address2500 GRANT RDMountain View, CA 94040-4302
Mailing Address1643 Nw 136th Ave Ste 100Sunrise, FL 33323-2857 · (800) 424-3672 · Fax (954) 377-3042
Organization SubpartNo
Authorized OfficialBruce T. GipePresident · (800) 424-3672
Enumeration DateNovember 3, 2015
Last NPPES UpdateOctober 7, 20204 updates tracked since enumeration
NPPES CertifiedOctober 7, 2020
✔ NPI 1902279656 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ 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.
Also ListedInternal MedicineTaxonomy 207R00000X
Also ListedPhysician AssistantTaxonomy 363A00000X
Also ListedNurse PractitionerTaxonomy 363L00000X
2500 GRANT RD, Mountain View, CA 94040

Secondary Practice Locations 2

Location 12425 Samaritan DrSan Jose, CA 95124-3908 · Phone (408) 559-2011
Location 2225 N Jackson AveSan Jose, CA 95116-1603 · Phone (408) 259-5000

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)

Quantum Bay Area Hospitalist Medical Group Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

216

Medicare enrollment records show 216 clinicians reassign Medicare billing to Quantum Bay Area Hospitalist Medical Group Inc, which bills Medicare for the services they deliver. Of these, 11 practice at this address and 35 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 11

Internal Medicine136
Hospitalist50
Family Practice17
Emergency Medicine5
Nurse Practitioner2
Allergy/Immunology1
Anesthesiology1
Hematology/Oncology1
3 other specialties3

Nearest to this location (20)

See all 216
Hospitalist
NPI 1194030593
2500 GRANT RD
Mountain View, CA 94040
(650) 988-3271
✔ PECOS✔ Accepts MedicareSame address
Hospitalist
NPI 1790312437
2500 GRANT RD
Mountain View, CA 94040
(650) 988-3271
✔ PECOS✔ Accepts MedicareSame address
Hospitalist
NPI 1346878501
2500 GRANT RD
Mountain View, CA 94040
(650) 940-7000
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1316367329
2500 GRANT RD
Mountain View, CA 94040
(650) 749-1894
✔ PECOSSame address
Family Practice
NPI 1346699873
2500 GRANT RD
Mountain View, CA 94040
(650) 940-7000
✔ PECOS✔ Accepts MedicareSame address
Hospitalist
NPI 1295397966
2500 GRANT RD
Mountain View, CA 94040
(650) 940-7000
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1346650637
2500 GRANT RD
Mountain View, CA 94040
(925) 323-3154
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1669934683
2500 GRANT RD
Mountain View, CA 94040
(650) 940-7000
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1932517968
2500 GRANT RD
Mountain View, CA 94040
(650) 940-7000
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1609301373
2500 GRANT RD
Mountain View, CA 94040
(650) 988-3271
✔ PECOS✔ Accepts MedicareSame address
Hospice/Palliative Care
NPI 1205922440
2500 GRANT RD
Mountain View, CA 94040
(650) 940-7000
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1225415631
2495 HOSPITAL DR STE 650
Mountain View, CA 94040
(650) 988-8460
✔ PECOS✔ Accepts Medicare0.1 mi
Internal Medicine
NPI 1982098885
2500 HOSPITAL DR BLDG 4
Mountain View, CA 94040
(650) 844-8556
✔ PECOS✔ Accepts Medicare0.2 mi
Rheumatology
NPI 1508150590
2500 HOSPITAL DR STE 15E
Mountain View, CA 94040
(650) 695-6421
✔ PECOS✔ Accepts Medicare0.2 mi
Internal Medicine
NPI 1962774679
2500 HOSPITAL DRIVE BLDG # 11, SUITE # E
Mountain View, CA 94040
(650) 625-0800
✔ PECOS✔ Accepts Medicare0.2 mi
Internal Medicine
NPI 1205909637
2500 GRANT RD
Mountain View, CA 94040
(650) 793-4207
✔ PECOS✔ Accepts Medicare0.2 mi
Internal Medicine
NPI 1205327897
2500 GRANT RD
Mountain View, CA 94040
(650) 940-7000
✔ PECOS✔ Accepts Medicare0.2 mi
Internal Medicine
NPI 1083303101
2500 GRANT RD
Mountain View, CA 94040
(319) 569-9752
✔ PECOS0.2 mi
Nurse Practitioner
NPI 1194205823
2500 GRANT RD
Mountain View, CA 94040
(650) 940-7000
✔ PECOS✔ Accepts Medicare0.2 mi
Hospitalist
NPI 1912467978
701 E EL CAMINO REAL
Mountain View, CA 94040
(650) 934-7808
✔ PECOS✔ Accepts Medicare0.9 mi
See all 216 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 Quantum Bay Area Hospitalist Medical Group Inc's NPI number?

The NPI number for Quantum Bay Area Hospitalist Medical Group Inc is 1902279656. It was assigned to this organization in the NPPES registry on November 3, 2015.

Where is Quantum Bay Area Hospitalist Medical Group Inc located?

Quantum Bay Area Hospitalist Medical Group Inc is located at 2500 Grant Rd, Mountain View, CA 94040. The listed phone number is (650) 940-7000.

What is Quantum Bay Area Hospitalist Medical Group Inc's specialty?

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

Is Quantum Bay Area Hospitalist Medical Group Inc enrolled in Medicare?

Yes. Quantum Bay Area Hospitalist Medical Group Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Quantum Bay Area Hospitalist Medical Group Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 216 clinicians in 11 Medicare specialties reassign their Medicare billing to Quantum Bay Area Hospitalist 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 (136), Hospitalist (50) and Family Practice (17). Of these, 11 practice at this address and 35 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 Quantum Bay Area Hospitalist Medical Group Inc was last updated on October 7, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.