Mark Chester Perkowski, MD

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

A209715 Issued in CA

Practice address

453 Quarry Rd # Mc5660
Palo Alto, CA 94304-1419

Phone

(650) 498-7351

NPI assigned

Mar 15, 2022

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in IL

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Interoperability endpoints

• Direct secure messaging: mperkowski644726@direct.ochin.org
• Direct secure messaging: mperkowski89849@uihealth.direct-ci.com

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

{
    "created_epoch": "1647302400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783296000000",
    "number": "1750039186",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "453 QUARRY RD # MC5660",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943041419",
            "telephone_number": "650-498-7351"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "453 QUARRY RD # MC5660",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943041419",
            "telephone_number": "650-498-7351"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PERKOWSKI",
        "first_name": "MARK",
        "middle_name": "CHESTER",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-03-15",
        "last_updated": "2026-07-06",
        "certification_date": "2026-07-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CA",
            "license": "A209715",
            "primary": true
        },
        {
            "code": "2080P0205X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Endocrinology",
            "state": "CA",
            "license": "A209715",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "IL",
            "license": "125.081346",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Silvano Ezequiel Perez
• VJ Periyakoil
• Sarvesh Periyasamy, MD, PHD
• Arundhati Perkash, M.D., PH.D.
• Gretchen Claire Perkins, AUD
• Kenneth B. Perlmutter, PH.D.
• Frank Allen Perlroth, M.D.
• David Ross Perlstein, M.S.
• Sebastien Perreault, M.D
• Cassandra M Perret, PSYD

• Pediatrics Physician in Palo Alto, CA
• Providers in Palo Alto, CA by specialty
• Pediatrics Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 6, 2026; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.