Tabssum Mohamad Ejaz Chauhan, MD

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

4301518009 Issued in MI

Practice address

3577 W 13 Mile Rd Ste 101
Royal Oak, MI 48073-6710

Phone

(248) 551-8651

NPI assigned

May 15, 2023

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in MI

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

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Beaumont Medical Group- Specialty Services

  • Surgery Physician
  • Royal Oak, MI
  • NPI 1578072906
  NPD (past)
• William Beaumont Hospital

  dba Beaumont Hospital, Grosse Pointe

  • General Acute Care Hospital
  • Grosse Pointe, MI
  • NPI 1932396017
  NPD (past)

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

{
    "created_epoch": "1684108800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782086400000",
    "number": "1598455370",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3577 W 13 MILE RD STE 101",
            "city": "ROYAL OAK",
            "state": "MI",
            "postal_code": "480736710",
            "telephone_number": "248-551-8651"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3577 W 13 MILE RD STE 101",
            "city": "ROYAL OAK",
            "state": "MI",
            "postal_code": "480736710",
            "telephone_number": "248-551-8651"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHAUHAN",
        "first_name": "TABSSUM",
        "middle_name": "MOHAMAD EJAZ",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2023-05-15",
        "last_updated": "2026-06-22",
        "certification_date": "2026-06-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "MI",
            "license": "4301518009",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "4351051216",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Janae K Chappell, NNP-BC
• Logan David Chappell, PSYD, LP
• Matthew Charles, MD
• Maureen Charmley, CRNA
• Viet Chau
• Cheaper Peepers of New York Mdiv, Inc.
• Andrew Check, MD
• Katelyn Cheeseman, PA
• Ahmad Chehab, MD
• Christine Preeti Chelladurai, D.O.

• Hematology & Oncology Physician in Royal Oak, MI
• Providers in Royal Oak, MI by specialty
• Hematology & Oncology Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 22, 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.