Individual provider Active NPI

Mauricio Jalife Bucay, M.D

  • Hospitalist Physician
  • San Francisco, CA
National Provider Identifier
1003255654
Registry record updated Apr 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
A166689 Issued in CA
Practice address
505 Parnassus Ave
San Francisco, CA 94143
Phone
(415) 750-4994
Fax
(415) 750-8156
NPI assigned
Jun 17, 2013
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Apr 8, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X A166689 CA
Hospitalist Physician 208M00000X A166689 CA Primary

Addresses

Primary practice location

505 Parnassus Ave
San Francisco, CA 94143

Mailing address

80 Main St
Tiburon, CA 94920-2546

Other practice location 1

601 Van Ness Ave Ste E3619
San Francisco, CA 94102-3200
Phone (415) 531-9047

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20200117001948 CA Practitioner - HospitalistPractitioner - Internal Medicine 3577844554 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Internal Medicine
Education
Other, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Pacific Inpatient Medical GroupGroup PAC ID 6608956966, 128 clinicians
Regents of the University of CaliforniaGroup PAC ID 4284547274, 706 clinicians

Practice addresses (Care Compare)

1101 Van Ness Ave
San Francisco, CA 94109-6919
Phone (415) 485-8824

1701 Divisadero St
San Francisco, CA 94115-3011
Phone (415) 476-4029

505 Parnassus Ave
San Francisco, CA 94143-2204
Phone (415) 476-4029

Hospital & facility affiliations

  • UCSF Health St. Mary'S Hospital Hospital, San Francisco, CA, CCN 050457
  • California Pacific Medical Ctr-Davies Campus Hosp Hospital, San Francisco, CA, CCN 050008
  • UCSF Medical Center Hospital, San Francisco, CA, CCN 050454

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as group
Quality
95
Improvement activities
40
Cost
80.65

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A166689CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University of California San Francisco Internal Medicine CurrentSince Dec 12, 2019 Accepting new patients
Regents of the University of California Internal Medicine CurrentSince Dec 12, 2019 Accepting new patients
UCSF Medical Group Business Services CurrentSince Dec 12, 2019 Accepting new patients
University of California San Francisco CurrentSince Dec 12, 2019 Accepting new patients
UCSF Medical Group Business Services Internal Medicine CurrentSince Dec 12, 2019 Accepting new patients
University of California San Francisco Current Accepting new patients
Regents of the University of California Past Accepting new patients
University of California San Francisco Medical Center Past Accepting new patients
University of California San Francisco Past Accepting new patients

Locations

2330 Post St
San Francisco, CA 94115
Phone (415) 502-4444

400 Parnassus Ave
#A632
San Francisco, CA 94143
Phone (415) 473-1000

505 Parnassus Ave
San Francisco, CA 94143
Phone (415) 476-9058

Organizations & group practices 10

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 3

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1371427200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775606400000",
    "number": "1003255654",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "80 MAIN ST",
            "city": "TIBURON",
            "state": "CA",
            "postal_code": "949202546"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "505 PARNASSUS AVE",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "94143",
            "telephone_number": "415-750-4994",
            "fax_number": "415-750-8156"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "601 Van Ness Ave Ste E3619",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941023200",
            "country_code": "US",
            "telephone_number": "415-531-9047",
            "fax_number": "415-213-4659",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "JALIFE BUCAY",
        "first_name": "MAURICIO",
        "credential": "M.D",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2013-06-17",
        "last_updated": "2026-04-08",
        "certification_date": "2026-04-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A166689",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CA",
            "license": "A166689",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.