Catherine A. Ramsay, MD

Primary specialty

Dermatology PhysicianTaxonomy code 207N00000X

License

A061269 Issued in CA

Practice address

275 W Macarthur
Oakland, CA 94611-5641

Phone

(510) 752-1000

Fax

(559) 435-5728

NPI assigned

Oct 20, 2006

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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.

Opted out of Medicare

Yes, effective Jan 1, 2026 through Jan 1, 2028

Specialty

Dermatology

Education

University of California, San Francisco School of Medicine, 1995

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

0 of 100Reported as individual

Quality

0

Improvement activities

0

Cost

0

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1161302400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1411603200000",
    "number": "1275616757",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "275 W MACARTHUR",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946115641",
            "telephone_number": "510-752-1000",
            "fax_number": "559-435-5728"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "275 W MACARTHUR",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946115641",
            "telephone_number": "510-752-1000",
            "fax_number": "559-435-5728"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RAMSAY",
        "first_name": "CATHERINE",
        "middle_name": "A.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-10-20",
        "last_updated": "2014-09-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "CA",
            "license": "A061269",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE #",
            "identifier": "070015064",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Ranyelle C. Ramos
• Rebekha Ramos
• Shirley Ramos
• Victor Ramos
• Yolanda Leticia Ramos, PHARMD
• Marielle Adell Ramsay
• Carolyn Grace Ramsdell, MSW
• Barbara Ramsey, M.D.
• Prakash Ramsinghani, MD
• Chanelle Ramsubick, MD

• Dermatology Physician in Oakland, CA
• Providers in Oakland, CA by specialty
• Dermatology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 25, 2014; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring; Opt Out Affidavits.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.