Individual provider Active NPI

Sungat Grewal, MD

  • Dermatology Physician
  • Irvine, CA
National Provider Identifier
1366962292
Registry record updated Dec 22, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Dermatology PhysicianTaxonomy code 207N00000X
License
A162721 Issued in CA
Practice address
850 Health Sciences Rd
Irvine, CA 92617-3058
Phone
(949) 824-0606
NPI assigned
Jun 21, 2017
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 22, 2022

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Dermatology Physician 207N00000X A162721 CA Primary
Internal Medicine Physician 207R00000X XXXXXX MA

Addresses

Primary practice location

850 Health Sciences Rd
Irvine, CA 92617-3058

Mailing address

200 S Manchester Ave Ste 300
Orange, CA 92868-3219
Phone (714) 456-2986

Other practice location 1

75 Francis St
Boston, MA 02115-6110
Phone (617) 732-5500

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
I20221026001960 CA Practitioner - DermatologyPractitioner - Surgical Oncology 4789915828 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
DermatologyAlso: Surgical Oncology
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
University of California San FranciscoGroup PAC ID 4486567229, 1,780 clinicians
University of California SFGH Medical GroupGroup PAC ID 5496668410, 566 clinicians

Practice addresses (Care Compare)

2330 Post St
San Francisco, CA 94115-3465
Phone (415) 476-4029

995 Potrero Ave BLDG
Suite 92
San Francisco, CA 94110-2859
Phone (628) 206-4777

Hospital & facility affiliations

  • UCSF Medical Center Hospital, San Francisco, CA, CCN 050454
  • Zuckerberg San Francisco General Hosp & Trauma Ctr Hospital, San Francisco, CA, CCN 050228

Merit-based Incentive Payment System (MIPS)

Final score
84.89 of 100Reported as group
Quality
81.13
Improvement activities
40
Cost
71.5

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as apm
Quality
83.7
Promoting interoperability
100
Improvement activities
40

Procedures performed for Medicare patients

ProcedureNumber of procedures
Melanoma (skin cancer) excision21
Removal of skin lesions17
Removal of skin cancer124
Removal of nail tissue1-10
Skin biopsy1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A162721CAMDDermatology Physician
XXXXXXMAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University of California San Francisco Dermatology CurrentSince Sep 10, 2024 Accepting new patients
Uci Department of Dermatology Dermatology CurrentSince Nov 1, 2022 Accepting new patients
University of California SFGH Medical Group CurrentSince Sep 27, 2025 Accepting new patients
City & County of San Francisco CurrentSince Sep 22, 2025 Accepting new patients
University of California San Francisco CurrentSince Sep 10, 2024 Accepting new patients
University of California San Francisco Current Accepting new patients
UCSF Medical Group Business Services Dermatology CurrentSince Sep 10, 2024 Accepting new patients
City and County of San Francisco CurrentSince Sep 22, 2025 Accepting new patients
University of California SFGH Medical Group Dermatology CurrentSince Sep 27, 2025 Accepting new patients
UCSF Medical Group Business Services CurrentSince Sep 10, 2024 Accepting new patients
University of California San Francisco Medical Center Past Accepting new patients
University of California Irvine Past Accepting new patients

Locations

850 Health Sciences Rd
Fl 2
Irvine, CA 92617
Phone (602) 614-8874

2161 San Joaquin Hills Rd
Newport Beach, CA 92660
Phone (949) 386-5700

101 The City Dr S
Orange, CA 92868
Phone (714) 456-6054

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

520 Illinois St
San Francisco, CA 94143
Phone (415) 353-9188

995 Potrero Ave
Bldg 90
San Francisco, CA 94110
Phone (628) 206-4777

1701 Divisadero St
Fl 3
San Francisco, CA 94115
Phone (415) 353-7800

2001 The Embarcadero
Ofc Of
San Francisco, CA 94143
Phone (628) 224-5503

1001 Potrero Ave
San Francisco, CA 94110
Phone (415) 206-2305

1001 Potrero Ave
Bldg 20
San Francisco, CA 94110
Phone (415) 206-8524

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

18637 Yorba Linda Blvd
Yorba Linda, CA 92886
Phone (714) 777-7389

Interoperability endpoints

  • Direct secure messaging: sgrewal97421@direct-ucsfmedicalcenter.org

Organizations & group practices 13

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.

View all 13

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": "1498003200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1671667200000",
    "number": "1366962292",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 S MANCHESTER AVE STE 300",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683219",
            "telephone_number": "714-456-2986"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "850 HEALTH SCIENCES RD",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926173058",
            "telephone_number": "949-824-0606"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "75 Francis St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021156110",
            "country_code": "US",
            "telephone_number": "617-732-5500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GREWAL",
        "first_name": "SUNGAT",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-06-21",
        "last_updated": "2022-12-22",
        "certification_date": "2022-12-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "CA",
            "license": "A162721",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "XXXXXX",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Irvine, CA

Sources for this page

Verify at the official NPI Registry.