Rojack Tan, M.D.

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

D58920 Issued in MD

Practice address

14820 Physicians LN
242
Rockville, MD 20850-3945

Phone

(301) 838-9606

NPI assigned

May 30, 2006

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 MD, DC2 enrollments

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 2

Specialty

Anesthesiology

Education

Georgetown University School of Medicine, 1997

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

First Colonies Anesthesia Associates, LLCGroup PAC ID 8426039744, 339 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Suburban Hospital Hospital, Bethesda, MD, CCN 210022

Merit-based Incentive Payment System (MIPS)

Final score

63.85 of 100Reported as group

Quality

57.47

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: rtan158744@direct.hopkinsmedicine.org

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.

• First Colonies Anesthesia Associates, LLC

  • Anesthesiology Physician
  • Columbia, MD
  • NPI 1740218767

  DC

  Medicare reassignment Care Compare group NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Suburban Hospital, Inc.

  • General Acute Care Hospital
  • Bethesda, MD
  • NPI 1205896446
  Care Compare affiliation
• Suburban Hospital, Inc.

  • Radiation Oncology Clinic/Center
  • Bethesda, MD
  • NPI 1528096690

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1148947200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1528015765",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "507 GOODLAND PL",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "208507741"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "14820 PHYSICIANS LN",
            "address_2": "242",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "208503945",
            "telephone_number": "301-838-9606"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TAN",
        "first_name": "ROJACK",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-30",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MD",
            "license": "D58920",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Raei Tamiru
• Rediet Tamrat
• Hana Tamre
• Genevena Tamufor
• Chun Tan, D.M.D.
• Yuka Tanabe Yamagishi, DDS, MS
• Deeksha Taneja, DMD
• Kelly J Tanenholz, M.D.
• Charlotte Taney
• Franklin Tangui Kwouetche

• Anesthesiology Physician in Rockville, MD
• Providers in Rockville, MD by specialty
• Anesthesiology Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.
• 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.