Individual provider Active NPI

Alexander C Flower, MD

  • Critical Care Medicine (Internal Medicine) Physician
  • Fayetteville, NC
National Provider Identifier
1023094406
Registry record updated Apr 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X
License
2023-03210 Issued in NC
Practice address
1638 Owen Dr
Fayetteville, NC 28304-3424
Phone
(910) 615-7392
NPI assigned
Dec 19, 2005
Last updated
Apr 14, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 14, 2026

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

Specialties & licenses 9

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 33889 IA
Internal Medicine Physician 207R00000X 64478 TN
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 29910 WV
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 64478 TN
Critical Care Medicine (Internal Medicine) Physician 207RC0200X ME153912 FL
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 036.153854 IL
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 2023-03210 NC Primary
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 33889 IA
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 65495 WI

Addresses

Primary practice location

1638 Owen Dr
Fayetteville, NC 28304-3424

Mailing address

2315 167TH PL
Ames, IA 50014-2640
Phone (515) 720-7755

Other practice location 1

400 N State Of Franklin Rd Rm 2746
Johnson City, TN 37604-6035
Phone (423) 431-6111

Other practice location 2

2700 Wayne Memorial Dr
Goldsboro, NC 27534-9494
Phone (919) 587-4394

Other practice location 3

2315 167th Pl
Ames, IA 50014-2640
Phone (515) 720-7755

Other practice location 4

1000 N Oak Ave
Marshfield, WI 54449-5703
Phone (715) 387-5511

Other practice location 5

300 W 27th St
Lumberton, NC 28358-3075
Phone (910) 671-5000

Other identifiers 2

IdentifierTypeStateIssuer
0225706MedicaidIA
24542OtherIAWELLMARK

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address him@marshfieldclinichealthsystem.cernerdirect.com
Direct Messaging Address aflower1474631@direct.UNC.nchie.net Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IA, WI, WV, MT, IL, FL, MO, NC, CO9 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 9

Enrollment IDStateProvider typePAC IDDetails
I20060421000059 IA Practitioner - Critical Care (Intensivists)Practitioner - Internal Medicine 0143230037 Reassigns benefits to 2 organizations
I20160616001157 WI Practitioner - Critical Care (Intensivists) 0143230037 Reassigns benefits to 2 organizations
I20200820003557 WV Practitioner - Critical Care (Intensivists)Practitioner - Internal Medicine 0143230037 Reassigns benefits to 1 organization
I20220727000218 MT Practitioner - Internal Medicine 0143230037 Reassigns benefits to 1 organization
I20240216000696 IL Practitioner - Critical Care (Intensivists) 0143230037 Reassigns benefits to 1 organization
I20240703001408 FL Practitioner - Critical Care (Intensivists) 0143230037 Reassigns benefits to 2 organizations
I20250210000995 MO Practitioner - Internal Medicine 0143230037 Reassigns benefits to 1 organization
I20251119002382 NC Practitioner - Critical Care (Intensivists)Practitioner - Internal Medicine 0143230037 Reassigns benefits to 4 organizations
I20260211000900 CO Practitioner - Internal MedicinePractitioner - Critical Care (Intensivists) 0143230037 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Critical Care (Intensivists)
Education
Other, 1980
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Unc Physicians Network LLCGroup PAC ID 5496940546, 985 clinicians
Robeson Hospitalist Group PLLCGroup PAC ID 2567898430, 33 clinicians
Nchmd IncGroup PAC ID 9436139565, 503 clinicians
Douglas, Grant, Lincoln and Okanogan Counties Public Hospital DistrictGroup PAC ID 9335050285, shared by 5 NPIs, 40 clinicians

Practice addresses (Care Compare)

11600 W 2ND PL
Lakewood, CO 80228-1527
Phone (720) 321-4161

15255 Max Leggett Pkwy
Jacksonville, FL 32218-7213
Phone (904) 383-1000

1638 Owen Dr
Fayetteville, NC 28304-3424
Phone (910) 615-8000

2222 N Nevada Ave
Colorado Springs, CO 80907-6794
Phone (719) 776-5333

2700 Wayne Memorial Dr
Goldsboro, NC 27534-9494
Phone (919) 587-4394

300 W 27TH St
Lumberton, NC 28358-3075
Phone (910) 671-5000

350 7TH St N
Naples Community Hospital
Naples, FL 34102-5754
Phone (239) 436-5100

411 Fortuyn Rd
Grand Coulee, WA 99133-8718
Phone (509) 633-1753

653 W 8TH St
Jacksonville, FL 32209-6511
Phone (904) 244-1680

655 W 8TH St
Jacksonville, FL 32209-6511
Phone (940) 244-4218

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
33889IAMDCritical Care Medicine (Internal Medicine) Physician
036.153854ILMDCritical Care Medicine (Internal Medicine) Physician
2023-03210NCMDCritical Care Medicine (Internal Medicine) Physician
64478TNMDCritical Care Medicine (Internal Medicine) Physician
65495WIMDCritical Care Medicine (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Nchmd, Inc CurrentSince Jan 1, 2025 Accepting new patients
MCHS Hospitals Inc Internal Medicine Current Accepting new patients
Chest Infectious Diseases and Critical Care Associates P C Current Accepting new patients
Charleston Area Medical Center, Inc. CurrentSince Oct 1, 2024 Accepting new patients
University of Florida Jacksonville Physicians, Inc. Family Medicine Current Accepting new patients
Blue Ridge Medical Management Corporation Current Accepting new patients
Cep America Illinois Intensivists Critical Care Medicine CurrentSince Feb 16, 2024 Accepting new patients
Cumberland County Hospital System Inc Critical Care Medicine CurrentSince Feb 1, 2026 Accepting new patients
Robeson Hospitalist Group PLLC CurrentSince Nov 10, 2025 Accepting new patients
RCHP Billings - Missoula LLC Current Accepting new patients
Blue Ridge Medical Management Corporation Internal Medicine CurrentSince Dec 30, 2024 Accepting new patients
Covenant Medical Center Inc Family Medicine CurrentSince May 16, 2022 Accepting new patients
MCHS Hospitals Inc CurrentSince Jan 31, 2022 Accepting new patients
Unc Physicians Network LLC Family Medicine CurrentSince Nov 10, 2025 Accepting new patients
Charleston Area Medical Center Inc CurrentSince Oct 1, 2024 Accepting new patients
Usacs Observation Medicine Services of Colorado Inc. Critical Care Medicine CurrentSince Feb 2, 2026 Accepting new patients
Southeastern Regional Medical Center CurrentSince Dec 8, 2025 Accepting new patients
Unc Physicians Network LLC Family Medicine Current Accepting new patients
Missouri Intensivist Services LLC Critical Care Medicine CurrentSince Jan 10, 2025 Accepting new patients
Cep America Illinois Intensivists Critical Care Medicine Current Accepting new patients
Nchmd Inc Current Accepting new patients
University of Florida Jacksonville Physicians, Inc. CurrentSince Jul 1, 2024 Accepting new patients
Covenant Medical Center, Inc. CurrentSince May 16, 2022 Accepting new patients
RCHP Billings - Missoula LLC CurrentSince Jun 1, 2022 Accepting new patients
Southeastern Regional Medical Center CurrentSince Dec 8, 2025 Accepting new patients
Landmark Hospital of Southwest Florida, LLC CurrentSince Jan 1, 2025 Accepting new patients
Marshfield Clinic Inc CurrentSince Jan 31, 2022 Accepting new patients
MCHS Hospitals Inc CurrentSince Jan 31, 2022 Accepting new patients
Cumberland County Hospital System Inc CurrentSince Feb 1, 2026 Accepting new patients
University of Florida Jacksonville Physicians Inc Critical Care Medicine CurrentSince Jul 1, 2024 Accepting new patients
Usacs Observation Medicine Services of Colorado Inc. Critical Care Medicine CurrentSince Feb 2, 2026 Accepting new patients
Blue Ridge Medical Management Corporation Family Medicine CurrentSince Dec 30, 2024 Accepting new patients
Cep America Illinois Intensivists Critical Care Medicine CurrentSince Feb 16, 2024 Accepting new patients
Cumberland County Hospital System Inc Past Accepting new patients

Locations (25 of 30)

1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423

11600 W 2nd Pl
Lakewood, CO 80228
Phone (720) 321-1010

655 W 8th St
Jacksonville, FL 32209
Phone (904) 244-1680

11190 Health Park Blvd
Naples, FL 34110
Phone (239) 300-9721

350 7th St N
Naples, FL 34102
Phone (239) 436-5000

680 2nd Ave N
Ste 304
Naples, FL 34102
Phone (239) 261-7711

751 Main St
Arlington, IA 50606
Phone (563) 633-6965

226 Bluebell Rd
Cedar Falls, IA 50613
Phone (319) 575-5800

1601 NW 114th St
Ste 347
Des Moines, IA 50325
Phone (515) 222-7350

210 4th Ave
Grinnell, IA 50112
Phone (641) 236-2055

3421 W 9th St
Waterloo, IA 50702
Phone (319) 272-7050

200 Health Care Dr
Greenville, IL 62246
Phone (618) 664-0808

200 Corporate Blvd
Lafayette, LA 70508

2316 E Meyer Blvd
Kansas City, MO 64132
Phone (816) 276-4360

2230 N Reserve St
Ste 402
Missoula, MT 59808
Phone (406) 327-3850

2827 Fort Missoula Rd
Missoula, MT 59804
Phone (406) 327-4202

940 Martin Luther King Jr Blvd
Chapel Hill, NC 27514
Phone (919) 942-5123

1638 Owen Dr
Fayetteville, NC 28304
Phone (910) 609-5610

2700 Wayne Memorial Dr
Goldsboro, NC 27534
Phone (919) 731-6060

300 W 27th St
Lumberton, NC 28358
Phone (910) 671-5000

1497 W Elk Ave
Ste 20
Elizabethton, TN 37643
Phone (423) 547-7380

1019 W Oakland Ave
Ste 1
Johnson City, TN 37604
Phone (423) 915-5000

400 N State of Franklin Rd
Rm 2746
Johnson City, TN 37604
Phone (423) 431-2727

3501 Golf Rd
Eau Claire, WI 54701
Phone (715) 858-4200

1000 N Oak Ave
Marshfield, WI 54449
Phone (715) 387-5111

Networks

  • Optimum HealthCare HMO Network
  • Freedom Health HMO Network

Interoperability endpoints

  • Direct secure messaging: aflower1474631@direct.unc.nchie.net
  • Direct secure messaging: aflower719777@direct.shands.ufl.edu
  • Direct secure messaging: alexander.flower@marshfieldclinichealthsystem.cernerdirect.com
  • Direct secure messaging: him@marshfieldclinichealthsystem.cernerdirect.com
  • FHIR API: https://api.platform.athenahealth.com/14272/brand/70/csg/1/fhir/r4

Organizations & group practices 38

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.

View all 38

Hospital & facility affiliations 21

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

View all 21

NPI Registry JSON

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

{
    "created_epoch": "1134950400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776124800000",
    "number": "1023094406",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2315 167TH PL",
            "city": "AMES",
            "state": "IA",
            "postal_code": "500142640",
            "telephone_number": "515-720-7755",
            "fax_number": "515-875-4005"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1638 OWEN DR",
            "city": "FAYETTEVILLE",
            "state": "NC",
            "postal_code": "283043424",
            "telephone_number": "910-615-7392"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "400 N State Of Franklin Rd Rm 2746",
            "address_purpose": "LOCATION",
            "city": "Johnson City",
            "state": "TN",
            "postal_code": "376046035",
            "country_code": "US",
            "telephone_number": "423-431-6111",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2700 Wayne Memorial Dr",
            "address_purpose": "LOCATION",
            "city": "Goldsboro",
            "state": "NC",
            "postal_code": "275349494",
            "country_code": "US",
            "telephone_number": "919-587-4394",
            "fax_number": "919-587-2998",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2315 167th Pl",
            "address_purpose": "LOCATION",
            "city": "Ames",
            "state": "IA",
            "postal_code": "500142640",
            "country_code": "US",
            "telephone_number": "515-720-7755",
            "fax_number": "515-875-4005",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1000 N Oak Ave",
            "address_purpose": "LOCATION",
            "city": "Marshfield",
            "state": "WI",
            "postal_code": "544495703",
            "country_code": "US",
            "telephone_number": "715-387-5511",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "300 W 27th St",
            "address_purpose": "LOCATION",
            "city": "Lumberton",
            "state": "NC",
            "postal_code": "283583075",
            "country_code": "US",
            "telephone_number": "910-671-5000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FLOWER",
        "first_name": "ALEXANDER",
        "middle_name": "C",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-19",
        "last_updated": "2026-04-14",
        "certification_date": "2026-04-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IA",
            "license": "33889",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TN",
            "license": "64478",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "WV",
            "license": "29910",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "TN",
            "license": "64478",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "FL",
            "license": "ME153912",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "IL",
            "license": "036.153854",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "NC",
            "license": "2023-03210",
            "primary": true
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "IA",
            "license": "33889",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "WI",
            "license": "65495",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0225706",
            "state": "IA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "WELLMARK",
            "identifier": "24542",
            "state": "IA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "him@marshfieldclinichealthsystem.cernerdirect.com",
            "affiliation": "N",
            "address_1": "1000 N Oak Ave",
            "city": "Marshfield",
            "state": "WI",
            "country_code": "US",
            "postal_code": "544495703",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "aflower1474631@direct.UNC.nchie.net",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CDA/CCD/TXT",
            "address_1": "2700 Wayne Memorial Dr",
            "city": "Goldsboro",
            "state": "NC",
            "country_code": "US",
            "postal_code": "275349494",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Fayetteville, NC

Sources for this page

Verify at the official NPI Registry.