NPIMap

Individual provider Active NPI

Marc Lee Melcher, MD, PHD

  • Transplant Surgery Physician
  • Palo Alto, CA
National Provider Identifier
1003870486
Registry record updated Sep 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Transplant Surgery PhysicianTaxonomy code 204F00000X
License
A73407 Issued in CA
Practice address
725 Welch Rd
Palo Alto, CA 94304-1601
Phone
(650) 497-8000
Fax
(650) 723-3997
NPI assigned
Apr 13, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 2, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X A73407 CA
Transplant Surgery Physician 204F00000X A73407 CA Primary

Addresses

Primary practice location

725 Welch Rd
Palo Alto, CA 94304-1601

Mailing address

725 Welch Rd
Palo Alto, CA 94304-1601
Phone (650) 497-8000

Other identifiers 1

IdentifierTypeStateIssuer
00A734070MedicaidCA

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040927001033 CA Practitioner - General Surgery 7113996117 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
Columbia University College of Physicians and Surgeons, 1999
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Stanford Health CareGroup PAC ID 6709797491, 3,152 clinicians

Practice addresses (Care Compare)

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

Hospital & facility affiliations

  • Stanford Health Care Hospital, Stanford, CA, CCN 050441

Merit-based Incentive Payment System (MIPS)

Final score
88.53 of 100Reported as group
Quality
87.08
Promoting interoperability
100
Improvement activities
40
Cost
69.51

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A73407CAMDTransplant Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Stanford Health Care Surgery CurrentSince Jul 1, 2006 Accepting new patients
LPCH Medical Group Div of Lucile CurrentSince Aug 13, 2018 Accepting new patients
Stanford Health Care CurrentSince Jul 1, 2006 Accepting new patients
Stanford Hospital and Clinics Past Accepting new patients
Lucile Salter Packard Children'S Hospital at Stanford Past Accepting new patients

Locations

7999 Gateway Blvd
Ste 200
Newark, CA 94560
Phone (510) 806-2947

730 Welch Rd
Palo Alto, CA 94304
Phone (650) 723-4800

750 Welch Rd
Ste 200
Palo Alto, CA 94304
Phone (650) 723-5535

725 Welch Rd
Palo Alto, CA 94304
Phone (650) 497-8979

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

300 Pasteur Dr
Stanford, CA 94305
Phone (650) 498-5710

Interoperability endpoints

  • Direct secure messaging: mmelcher3094@direct.stanfordhealthcare.org

Organizations & group practices 5

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 7

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": "1144886400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788307200000",
    "number": "1003870486",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "725 WELCH RD",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943041601",
            "telephone_number": "650-497-8000",
            "fax_number": "650-723-3997"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "725 WELCH RD",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943041601",
            "telephone_number": "650-497-8000",
            "fax_number": "650-723-3997"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MELCHER",
        "first_name": "MARC",
        "middle_name": "LEE",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-13",
        "last_updated": "2026-09-02",
        "certification_date": "2026-09-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CA",
            "license": "A73407",
            "primary": false
        },
        {
            "code": "204F00000X",
            "taxonomy_group": "",
            "desc": "Transplant Surgery",
            "state": "CA",
            "license": "A73407",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A734070",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Palo Alto, CA

Sources for this page

Verify at the official NPI Registry.