Polaris Sleep PC

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

Legal business name

POLARIS SLEEP PC

Practice address

8403 Colesville Rd Ste 1100
Silver Spring, MD 20910-6346

Phone

(301) 246-2152

NPI assigned

Mar 13, 2026

Last updated

Mar 13, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Zhen Chan, MD

Title

PC President

Phone

(301) 246-2152

Specialties & licenses 2

Addresses

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

{
    "created_epoch": "1773360000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1773360000000",
    "number": "1851248363",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1032 15TH ST NW # 418",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200051502"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8403 COLESVILLE RD STE 1100",
            "city": "SILVER SPRING",
            "state": "MD",
            "postal_code": "209106346",
            "telephone_number": "301-246-2152"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "POLARIS SLEEP PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-03-13",
        "last_updated": "2026-03-13",
        "certification_date": "2026-03-13",
        "status": "A",
        "authorized_official_last_name": "CHAN",
        "authorized_official_first_name": "ZHEN",
        "authorized_official_title_or_position": "PC PRESIDENT",
        "authorized_official_telephone_number": "301-246-2152",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kendra Alexis Plummer
• Polly Poffenroth, LCPC
• Points to Wellness Clinics
• Reha Pokharel, MD
• Jenna Katherine Poland
• Gerald Edgar Poley Jr., MD
• Emily Polimeni
• Michael S Pollack, D.D.S.
• David Pollak, OPTICIAN
• De'Shanay Pollard

• Internal Medicine Physician in Silver Spring, MD
• Providers in Silver Spring, MD by specialty
• Internal Medicine Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.