Clayton L. Martin Jr., MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

MD478073 Issued in PA

Practice address

700 Spruce St BSMT West
Philadelphia, PA 19106-4022

Phone

(215) 829-3358

Fax

(215) 829-3438

NPI assigned

Mar 31, 2017

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in PA

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

Merit-based Incentive Payment System (MIPS)

Final score

84.91 of 100Reported as group

Quality

73.58

Promoting interoperability

100

Improvement activities

40

Cost

76.13

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: cmartin28764@umassmemorial.direct-ci.com

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.

• University of Penn-Medical Group

  • Gynecologic Oncology Physician
  • Philadelphia, PA
  • NPI 1235527342
  Medicare reassignment NPD
• University of Penn-Medical Group

  • Dermatology Physician
  • Philadelphia, PA
  • NPI 1225426349
  NPD
• University of Penn-Medical Group

  • Surgical Oncology Physician
  • Philadelphia, PA
  • NPI 1871981985
  NPD

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

{
    "created_epoch": "1490918400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747612800000",
    "number": "1356873129",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3400 SPRUCE ST FL RAVDIN",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191044238",
            "telephone_number": "661-703-1640"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "700 SPRUCE ST BSMT WEST",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191064022",
            "telephone_number": "215-829-3358",
            "fax_number": "215-829-3438"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARTIN",
        "first_name": "CLAYTON",
        "middle_name": "L.",
        "name_suffix": "Jr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-03-31",
        "last_updated": "2025-05-19",
        "certification_date": "2025-05-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "PA",
            "license": "MD478073",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Bradley Nelson Martin, M.D., PH.D.
• Caiseen Martin
• Caitlin Elizabeth Martin, MD
• Candice Martin
• Claire Martin
• Crystal Martin, MS
• Dana Elizabeth Martin, MD
• Danielle Marie Martin
• Dawn Martin, LSW
• Deirbhile Martin, MD

• Emergency Medicine Physician in Philadelphia, PA
• Providers in Philadelphia, PA by specialty
• Emergency Medicine Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 19, 2025; 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.
• 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.