Individual provider Active NPI

Megan Creasman, MD

  • Rheumatology Physician
  • San Francisco, CA
National Provider Identifier
1215565288
Registry record updated Aug 9, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Rheumatology PhysicianTaxonomy code 207RR0500X
License
186931 Issued in CA
Practice address
400 Parnassus Ave FL B1
San Francisco, CA 94143-2202
Phone
(415) 353-2497
Fax
(415) 353-2530
NPI assigned
Mar 27, 2020
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 9, 2023

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Rheumatology Physician 207RR0500X 186931 CA Primary

Addresses

Primary practice location

400 Parnassus Ave FL B1
San Francisco, CA 94143-2202

Mailing address

400 Parnassus Ave FL B1
San Francisco, CA 94143-2202
Phone (415) 353-2497

Other practice location 1

1001 Potrero Ave
San Francisco, CA 94110-3518
Phone (628) 206-4725

Other practice location 2

4150 Clement St
San Francisco, CA 94121-1563
Phone (415) 221-4810

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
I20250812002518 CA Practitioner - RheumatologyPractitioner - Internal Medicine 0941664486 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
RheumatologyAlso: Internal Medicine
Education
University of California, San Francisco School of Medicine, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
University of California San FranciscoGroup PAC ID 4486567229, 1,780 clinicians
UCSF Medical Group Business ServicesGroup PAC ID 3779497870, 1,533 clinicians

Practice addresses (Care Compare)

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

3100 San Pablo Ave
Berkeley, CA 94702-2498
Phone (510) 985-5020

400 Parnassus Ave
San Francisco, CA 94143-2202

505 Parnassus Ave
San Francisco, CA 94143-2204
Phone (415) 476-1000

Hospital & facility affiliations

  • UCSF Medical Center Hospital, San Francisco, CA, CCN 050454

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
186931CAMDRheumatology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
UCSF Medical Group Business Services CurrentSince Jul 30, 2025 Accepting new patients
University of California San Francisco CurrentSince Jul 30, 2025 Accepting new patients
City and County of San Francisco CurrentSince Nov 17, 2025 Accepting new patients
University of California San Francisco CurrentSince Jul 30, 2025 Accepting new patients
City & County of San Francisco CurrentSince Nov 17, 2025 Accepting new patients
Regents of the University of California Rheumatology CurrentSince Aug 3, 2025 Accepting new patients
UCSF Medical Group Business Services CurrentSince Jul 30, 2025 Accepting new patients
University of California San Francisco Medical Center Past Accepting new patients
Regents of the University of California Rheumatology Past Accepting new patients

Locations

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

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

505 Parnassus Ave
#M1480
San Francisco, CA 94143
Phone (415) 476-1528

4150 Clement St
San Francisco, CA 94121
Phone (415) 750-2110

400 Parnassus Ave
San Francisco, CA 94143
Phone (415) 353-2000

400 Parnassus Ave
Fl B1
San Francisco, CA 94143
Phone (415) 353-2497

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

400 Parnassus Ave
#B1
San Francisco, CA 94143
Phone (415) 353-2503

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

Interoperability endpoints

  • Direct secure messaging: mwinkelman81255@direct-ucsfmedicalcenter.org

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 1

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": "1585267200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1691539200000",
    "number": "1215565288",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "400 PARNASSUS AVE FL B1",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432202",
            "telephone_number": "415-353-2497",
            "fax_number": "415-353-2530"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 PARNASSUS AVE FL B1",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432202",
            "telephone_number": "415-353-2497",
            "fax_number": "415-353-2530"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1001 Potrero Ave",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941103518",
            "country_code": "US",
            "telephone_number": "628-206-4725",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4150 Clement St",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941211563",
            "country_code": "US",
            "telephone_number": "415-221-4810",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CREASMAN",
        "first_name": "MEGAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-03-27",
        "last_updated": "2023-08-09",
        "certification_date": "2023-08-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "CA",
            "license": "186931",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.