NPIMap

Individual provider Active NPI

Mohamed Altattan, M.D.

  • Rheumatology Physician
  • Royal Oak, MI
National Provider Identifier
1477932093
Registry record updated Feb 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Rheumatology PhysicianTaxonomy code 207RR0500X
License
4301508147 Issued in MI
Practice address
30701 Woodward Ave Ste 314S
Royal Oak, MI 48073-0987
Phone
(248) 955-9229
Fax
(248) 955-9228
NPI assigned
May 28, 2015
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 25, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Rheumatology Physician 207RR0500X 4301508147 MI Primary
Internal Medicine Physician 207R00000X 35134136 OH

Addresses

Primary practice location

30701 Woodward Ave Ste 314S
Royal Oak, MI 48073-0987

Mailing address

30701 Woodward Ave Ste 314S
Royal Oak, MI 48073-0987
Phone (248) 955-9229

Other identifiers 2

IdentifierTypeStateIssuer
1477932093MedicaidMI
0302440MedicaidOH

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OH, MI2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20180814003276 OH Practitioner - Internal Medicine 6608183223 Reassigns benefits to 1 organization
I20230821002632 MI Practitioner - Rheumatology 6608183223 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Rheumatology
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
American Arthritis and Rheumatology Associates -Mi PLLCGroup PAC ID 8325385008, 8 clinicians

Practice addresses (Care Compare)

30701 Woodward Ave
Suite 314S
Royal Oak, MI 48073-0987
Phone (248) 955-9229

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
75 of 100Reported as group

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
35134136OHMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
American Arthritis & Rheumatology Associates -Mi PLLC Rheumatology CurrentSince Aug 16, 2023 Accepting new patients
Hospitalist Medicine Physicians of Richland County, LTD Internal Medicine CurrentSince Jan 1, 2022 Accepting new patients
Sciometrix Inc CurrentSince Feb 15, 2025 Accepting new patients
Sciometrix LLC CurrentSince Feb 15, 2025 Accepting new patients
Mercy Health-St Ritas Medical Center LLC Past Accepting new patients
Lima Memorial Joint Operating Company Past Accepting new patients

Locations

2255 Glades Rd
Ste 228W
Boca Raton, FL 33431
Phone (561) 699-7101

135 Barclay Cir
Ste 100
Rochester Hills, MI 48307
Phone (248) 852-2277

306 S Washington Ave
Ste 600
Royal Oak, MI 48067

30701 Woodward Ave
Ste 314
Royal Oak, MI 48073
Phone (248) 288-6500

1320 Timken Mercy Dr NW
Canton, OH 44708
Phone (330) 489-1000

Interoperability endpoints

  • Direct secure messaging: maltattan657496@direct.ketteringhealth.org
  • Direct secure messaging: mohamed.altattan.p11@direct.aara1.nextgenshare.com
  • Direct secure messaging: maltattan468972@direct.bsmhealth.org

Organizations & group practices 6

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.

Hospital & facility affiliations 13

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

View all 13

NPI Registry JSON

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

{
    "created_epoch": "1432771200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771977600000",
    "number": "1477932093",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "30701 WOODWARD AVE STE 314S",
            "city": "ROYAL OAK",
            "state": "MI",
            "postal_code": "480730987",
            "telephone_number": "248-955-9229",
            "fax_number": "248-955-9228"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "30701 WOODWARD AVE STE 314S",
            "city": "ROYAL OAK",
            "state": "MI",
            "postal_code": "480730987",
            "telephone_number": "248-955-9229",
            "fax_number": "248-955-9228"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALTATTAN",
        "first_name": "MOHAMED",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2015-05-28",
        "last_updated": "2026-02-25",
        "certification_date": "2026-02-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "MI",
            "license": "4301508147",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OH",
            "license": "35134136",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1477932093",
            "state": "MI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0302440",
            "state": "OH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Royal Oak, MI

Sources for this page

Verify at the official NPI Registry.