Individual provider Active NPI

Isaac B Annan, MD

  • Neurology Physician
  • Macon, GA
National Provider Identifier
1336112234
Registry record updated Dec 1, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurology PhysicianTaxonomy code 2084N0400X
License
71744 Issued in GA
Practice address
350 Hospital Dr
Macon, GA 31217-3838
Phone
(470) 788-1010
NPI assigned
Feb 10, 2006
Last updated
Dec 1, 2023By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 1, 2023

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

Specialties & licenses 6

Specialty (taxonomy)CodeLicenseStatePrimary
Specialist 174400000X 036111711 IL
Neurology Physician 2084N0400X 68470 MN
Neurology Physician 2084N0400X 66643 WI
Neurology Physician 2084N0400X MD439984 PA
Neurology Physician 2084N0400X 71744 GA Primary
Neuromuscular Medicine (Psychiatry & Neurology) Physician 2084N0008X 71744 GA

Addresses

Primary practice location

350 Hospital Dr
Macon, GA 31217-3838

Mailing address

640 E Oregon Rd
Lititz, PA 17543-9202
Phone (717) 569-8773

Other practice location 1

640 E Oregon Rd
Lititz, PA 17543-9202
Phone (717) 569-8773 ext. 119

Other practice location 2

1836 South Ave
LA Crosse, WI 54601-5429
Phone (608) 782-7300

Other practice location 3

3200 E Racine St
Janesville, WI 53546-2343
Phone (608) 371-8000

Other identifiers 1

IdentifierTypeStateIssuer
1336112234MedicaidWI

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address iannan361803@direct-ehr-ssmhc.com Direct
FHIR URL https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/ Other

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in GA, WI, AZ, TX4 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 4

Enrollment IDStateProvider typePAC IDDetails
I20140820000917 GA Practitioner - NeurologyPractitioner - Internal Medicine 1456311307 Reassigns benefits to 5 organizations
I20170112002025 WI Practitioner - Neurology 1456311307 Reassigns benefits to 3 organizations
I20250303002920 AZ Practitioner - Neurology 1456311307 Reassigns benefits to 1 organization
I20250617000017 TX Practitioner - Neurology 1456311307 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Neurology
Education
Other, 1994
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Bio Family Clinic IncGroup PAC ID 2769668136, 37 clinicians
Piedmont Hospitalist Physicians LLCGroup PAC ID 1951299163, 503 clinicians
Southeastern Hospitalist Services PCGroup PAC ID 3476855420, 301 clinicians

Practice addresses (Care Compare)

2503 S Ave a
Suite 2
Yuma, AZ 85364-7174
Phone (928) 783-0092

350 Hospital Dr
Macon, GA 31217-3838
Phone (470) 788-1010

501 Redmond Rd NW
Rome, GA 30165-1415
Phone (706) 802-3018

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
HHS exclusion list flag
CMS’s directory marks this NPI as on an HHS exclusion list; no matching OIG record was found. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
66643WIMDNeurology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Southeastern Hospitalist Services PC Family Medicine CurrentSince Aug 1, 2025 Accepting new patients
MCHS Hospitals Inc Current Accepting new patients
Gundersen Lutheran Medical Center Inc Current Accepting new patients
Hamilton Physician Group Inc CurrentSince Apr 1, 2016 Accepting new patients
MCHS Hospitals, Inc. CurrentSince Mar 5, 2019 Accepting new patients
Gundersen Lutheran Medical Center Inc CurrentSince Jan 29, 2021 Accepting new patients
Choctaw Nation of Oklahoma CurrentSince Jun 10, 2025 Accepting new patients
The Emory Clinic Inc CurrentSince May 1, 2023 Accepting new patients
Choctaw Nation of Oklahoma CurrentSince Jun 10, 2025 Accepting new patients
Phoebe Physician Group, Inc CurrentSince Apr 1, 2022 Accepting new patients
Hamilton Medical Center, Inc. CurrentSince Apr 1, 2016 Accepting new patients
Piedmont Hospitalist Physicians LLC Family Medicine CurrentSince Dec 4, 2023 Accepting new patients
MCHS Hospitals Inc CurrentSince Mar 5, 2019 Accepting new patients
Choctaw Nation of Oklahoma Current Accepting new patients
Bio Family Clinic Inc Family Medicine CurrentSince Feb 15, 2025 Accepting new patients
Gundersen Lutheran Medical Center, Inc CurrentSince Jan 29, 2021 Accepting new patients
Marshfield Clinic Inc CurrentSince Aug 28, 2018 Accepting new patients
Inpatient Consultants of Missouri Inc Past Accepting new patients
Yates Emergency Physicians Past Accepting new patients
Choctaw Nation of Oklahoma Past Accepting new patients

Locations (25 of 28)

11518 N Frontage Rd
Yuma, AZ 85367
Phone (928) 342-6500

11611 S Foothills Blvd
Ste G
Yuma, AZ 85367
Phone (520) 476-3503

2281 W 24th St
Ste 1
Yuma, AZ 85364
Phone (928) 276-4293

2281 W 24th St
Ste 10
Yuma, AZ 85364
Phone (520) 344-1656

2503 S Avenue A
Ste 2
Yuma, AZ 85364
Phone (928) 344-3350

2002 Palmyra Rd
Ste 201
Albany, GA 31701
Phone (229) 312-5802

2709 Meredyth Dr
Ste 340
Albany, GA 31707
Phone (229) 882-1130

151 Mayo St
Ste B
Americus, GA 31709
Phone (229) 928-2900

1365 Clifton Rd NE
Atlanta, GA 30322
Phone (404) 778-7525

2201 Henderson Mill Rd NE
Ste 160
Atlanta, GA 30345
Phone (404) 251-2193

35 Collier Rd NW
Ste 635
Atlanta, GA 30309
Phone (404) 367-3000

2122 Manchstr Expy
Columbus, GA 31904
Phone (706) 320-3128

1200 Memorial Dr
Dalton, GA 30720
Phone (706) 272-6115

350 Hospital Dr
Macon, GA 31217
Phone (478) 751-0367

501 Redmond Rd NW
Rome, GA 30165
Phone (706) 291-0291

1585 W Liberty Rd
Atoka, OK 74525
Phone (580) 889-1981

1300 E Martin Luther King Dr
Broken Bow, OK 74728
Phone (580) 208-2204

410 N M St
Hugo, OK 74743
Phone (580) 326-7561

902 E Lincoln Rd
Idabel, OK 74745
Phone (580) 286-2600

1127 S George Nigh Expy
McAlester, OK 74501
Phone (918) 423-8440

109 Kerr Blvd
Poteau, OK 74953
Phone (918) 649-1100

2204 E Main St
Stigler, OK 74462
Phone (918) 967-9200

1 Choctaw Way
Talihina, OK 74571
Phone (918) 423-8440

205 Dallas St
Talihina, OK 74571
Phone (918) 567-3636

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

Interoperability endpoints

  • Direct secure messaging: iannan361803@direct-ehr-ssmhc.com
  • Direct secure messaging: iannan498628@direct.gundersenhealth.org
  • Direct secure messaging: iannan90327@direct-guthrie.org
  • Direct secure messaging: isaac.annan.1@8478.direct.athenahealth.com

Organizations & group practices 20

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 20

Hospital & facility affiliations 3

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": "1139529600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1701388800000",
    "number": "1336112234",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "640 E OREGON RD",
            "city": "LITITZ",
            "state": "PA",
            "postal_code": "175439202",
            "telephone_number": "717-569-8773",
            "fax_number": "717-735-7992"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "350 HOSPITAL DR",
            "city": "MACON",
            "state": "GA",
            "postal_code": "312173838",
            "telephone_number": "470-788-1010"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "640 E Oregon Rd",
            "address_purpose": "LOCATION",
            "city": "Lititz",
            "state": "PA",
            "postal_code": "175439202",
            "country_code": "US",
            "telephone_number": "717-569-8773 x119",
            "fax_number": "717-735-7992",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1836 South Ave",
            "address_purpose": "LOCATION",
            "city": "LA Crosse",
            "state": "WI",
            "postal_code": "546015429",
            "country_code": "US",
            "telephone_number": "608-782-7300",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3200 E Racine St",
            "address_purpose": "LOCATION",
            "city": "Janesville",
            "state": "WI",
            "postal_code": "535462343",
            "country_code": "US",
            "telephone_number": "608-371-8000",
            "fax_number": "608-371-8943",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ANNAN",
        "first_name": "ISAAC",
        "middle_name": "B",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-10",
        "last_updated": "2023-12-01",
        "certification_date": "2023-12-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "IL",
            "license": "036111711",
            "primary": false
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "MN",
            "license": "68470",
            "primary": false
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "WI",
            "license": "66643",
            "primary": false
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "PA",
            "license": "MD439984",
            "primary": false
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "GA",
            "license": "71744",
            "primary": true
        },
        {
            "code": "2084N0008X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neuromuscular Medicine",
            "state": "GA",
            "license": "71744",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1336112234",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "iannan361803@direct-ehr-ssmhc.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "iannan361803@direct-ehr-ssmhc.com",
            "address_1": "3200 E Racine St",
            "city": "Janesville",
            "state": "WI",
            "country_code": "US",
            "postal_code": "535462343",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/",
            "affiliation": "N",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "FHIR API",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCD",
            "address_1": "3200 E Racine St",
            "city": "Janesville",
            "state": "WI",
            "country_code": "US",
            "postal_code": "535462343",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Macon, GA

Sources for this page

Verify at the official NPI Registry.