Individual provider Active NPI

Samuel Loeffelbein Martin, MD

  • Hospitalist Physician
  • Flagstaff, AZ
National Provider Identifier
1245882372
Registry record updated Oct 7, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
69323 Issued in AZ
Practice address
1200 N Beaver St
Flagstaff, AZ 86001-3118
Phone
(928) 779-3366
NPI assigned
Jul 9, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 7, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 69323 AZ
Internal Medicine Physician 207R00000X 8531 NE
Hospitalist Physician 208M00000X 69323 AZ Primary

Addresses

Primary practice location

1200 N Beaver St
Flagstaff, AZ 86001-3118

Mailing address

1200 N Beaver St
Flagstaff, AZ 86001-3118
Phone (928) 779-3366

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AZ
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

Enrollment IDStateProvider typePAC IDDetails
I20230717001285 AZ Practitioner - Internal MedicinePractitioner - Hospitalist 7911237714 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Hospitalist
Education
Creighton University School of Medicine, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

1200 N Beaver St
Flagstaff, AZ 86001-3118
Phone (928) 779-3366

1215 N Beaver St
Suite 203
Flagstaff, AZ 86001-3126
Phone (928) 773-2249

2000 S Thompson St
Flagstaff, AZ 86001-8759
Phone (928) 226-6400

269 S Candy LN
Cottonwood, AZ 86326-4158
Phone (928) 639-6000

7810 N US Hwy 89
Flagstaff, AZ 86004-6255
Phone (928) 522-8375

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
82.13 of 100Reported as group
Quality
66.85
Promoting interoperability
99
Improvement activities
40
Cost
74.4

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Northern Arizona Healthcare Corporation CurrentSince Jul 15, 2023 Accepting new patients
Northern Arizona Healthcare Corporation Family Medicine CurrentSince Jul 15, 2023 Accepting new patients
Flagstaff Pathology Associates Current Accepting new patients
Flagstaff Medical Center Past Accepting new patients

Locations

269 S Candy Ln
Cottonwood, AZ 86326
Phone (928) 634-2251

1215 N Beaver St
Ste 203
Flagstaff, AZ 86001
Phone (928) 773-2249

1200 N Beaver St
Flagstaff, AZ 86001
Phone (928) 213-6235

Organizations & group practices 4

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 7

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": "1562630400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759795200000",
    "number": "1245882372",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1200 N BEAVER ST",
            "city": "FLAGSTAFF",
            "state": "AZ",
            "postal_code": "860013118",
            "telephone_number": "928-779-3366"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1200 N BEAVER ST",
            "city": "FLAGSTAFF",
            "state": "AZ",
            "postal_code": "860013118",
            "telephone_number": "928-779-3366"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARTIN",
        "first_name": "SAMUEL",
        "middle_name": "LOEFFELBEIN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-07-09",
        "last_updated": "2025-10-07",
        "certification_date": "2025-10-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "AZ",
            "license": "69323",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NE",
            "license": "8531",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "AZ",
            "license": "69323",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Flagstaff, AZ

Sources for this page

Verify at the official NPI Registry.