NPIMap

Individual provider Active NPI

Mark A Sierra, MD

  • Cardiovascular Disease Physician
  • West Branch, MI
National Provider Identifier
1639381593
Registry record updated Apr 25, 2012
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
4301086565 Issued in MI
Practice address
2431 S. M-30
West Branch, MI 48661-9312
Phone
(989) 343-3264
Fax
(989) 343-3202
NPI assigned
May 4, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 25, 2012

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X 4301086565 MI Primary

Addresses

Primary practice location

2431 S. M-30
West Branch, MI 48661-9312

Mailing address

401 S. Bellenger Hwy
Flint, MI 48532-3638
Phone (810) 342-1000

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20080627000038 MI Practitioner - Cardiovascular Disease (Cardiology)Practitioner - Internal Medicine 9032281613 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)Also: Internal Medicine
Education
Other, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
McLaren Bay RegionGroup PAC ID 5597659011, 110 clinicians
McLaren Central MichiganGroup PAC ID 6103733092, 183 clinicians
McLaren Medical GroupGroup PAC ID 3971416082, 240 clinicians

Practice addresses (Care Compare)

1900 Columbus Ave
Bay Regional
Bay City, MI 48708-6831
Phone (989) 894-3278

2110 S M
76 Suite 8
West Branch, MI 48661-8821
Phone (989) 516-0100

436 W Main St
Hale, MI 48739-9246
Phone (989) 894-3278

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
4301086565MIMDCardiovascular Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
McLaren Central Michigan CurrentSince Aug 1, 2020 Accepting new patients
McLaren Medical Group CurrentSince Apr 24, 2024 Accepting new patients
McLaren Medical Group CurrentSince Apr 24, 2024 Accepting new patients
McLaren Bay Region Cardiovascular Disease Current Accepting new patients
McLaren Central Michigan Current Accepting new patients
McLaren Bay Region Cardiovascular Disease CurrentSince Mar 1, 2011 Accepting new patients
McLaren Bay Region CurrentSince Mar 1, 2011 Accepting new patients
McLaren Central Michigan CurrentSince Aug 1, 2020 Accepting new patients
McLaren Central Michigan Past Accepting new patients

Locations

1900 Columbus Ave
Bay City, MI 48708
Phone (989) 894-3000

39373 Garfield Rd
Clinton Twp, MI 48038
Phone (586) 286-4880

401 S Ballenger Hwy
Flint, MI 48532
Phone (810) 342-1000

436 W Main St
Hale, MI 48739
Phone (989) 728-2800

2940 Health Pkwy
Mt Pleasant, MI 48858
Phone (989) 466-2877

1221 South Dr
Mt Pleasant, MI 48858
Phone (989) 772-6700

2431 S M 30
West Branch, MI 48661
Phone (989) 343-2487

2110 S M 76
Ste 8
West Branch, MI 48661
Phone (989) 516-0100

Organizations & group practices 10

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 4

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

NPI Registry JSON

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

{
    "created_epoch": "1178236800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1335312000000",
    "number": "1639381593",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "401 S. BELLENGER HWY",
            "city": "FLINT",
            "state": "MI",
            "postal_code": "485323638",
            "telephone_number": "810-342-1000",
            "fax_number": "810-342-1591"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2431 S. M-30",
            "city": "WEST BRANCH",
            "state": "MI",
            "postal_code": "486619312",
            "telephone_number": "989-343-3264",
            "fax_number": "989-343-3202"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIERRA",
        "first_name": "MARK",
        "middle_name": "A",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-05-04",
        "last_updated": "2012-04-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MI",
            "license": "4301086565",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in West Branch, MI

Sources for this page

Verify at the official NPI Registry.