NPIMap

Individual provider Active NPI

David Montgomery, D.O.

  • Internal Medicine Physician
  • Marietta, OH
National Provider Identifier
1992773501
Registry record updated Oct 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
34007570 Issued in OH
Practice address
320 E 8TH St Ste 141
Marietta, OH 45750-3382
Phone
(740) 374-5580
Fax
(740) 374-6266
NPI assigned
Mar 9, 2006
Last updated
Oct 21, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 21, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 34007570 OH Primary

Addresses

Primary practice location

320 E 8TH St Ste 141
Marietta, OH 45750-3382

Mailing address

416 Colegate Dr BLDG 3
Marietta, OH 45750-9549
Phone (740) 374-3526

Other practice location 1

424 Highland Ave
Williamstown, WV 26187-1249
Phone (740) 376-6191

Other practice location 2

802 Wayne St Ste 100
Marietta, OH 45750-3373
Phone (740) 374-5580

Electronic endpoints 3

TypeEndpointUseAffiliation
Direct Messaging Address david.montgomery@mmhs.directaddress.net Direct
Direct Messaging Address david.montgomery@mmhs.directaddress.net Direct
Direct Messaging Address david.montgomery@mmhs.directaddress.net Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OH, WV2 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
I20100324000737 OH Practitioner - Family PracticePractitioner - Internal Medicine 3779672605 Reassigns benefits to 2 organizations
I20210415000595 WV Practitioner - Family Practice 3779672605 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
West Virginia School of Osteopathic Medicine, 1997
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Marietta Memorial HospitalGroup PAC ID 8224928965, 387 clinicians
MHC Physicians IncGroup PAC ID 1052345618, 15 clinicians

Practice addresses (Care Compare)

320 E 8TH St
Marietta, OH 45750-3382

401 Matthew St
Marietta, OH 45750-1635
Phone (740) 374-1400

424 Highland Ave
Williamstown, WV 26187-1249
Phone (740) 376-6191

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
35.74 of 100Reported as individual
Quality
0
Promoting interoperability
0
Improvement activities
40
Cost
35.81

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
34007570OHMDInternal Medicine Physician
1889WVMDOccupational Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
MHC Physicians Inc Internal Medicine CurrentSince May 1, 2021 Accepting new patients
Marietta Memorial Hospital Internal Medicine CurrentSince Oct 1, 2010 Accepting new patients
Selby General Hospital CurrentSince Aug 28, 2025 Accepting new patients
Marietta Health Care Systems, Inc. Internal Medicine Current Accepting new patients
Marietta Memorial Hospital of Tyler County Inc Current Accepting new patients
Marietta Memorial Hospital CurrentSince Oct 1, 2010 Accepting new patients
Marietta Memorial Hospital of Tyler County Inc CurrentSince May 1, 2025 Accepting new patients
United Church Homes, Inc. Past Accepting new patients
Highland Oaks Health Center, LLC Past Accepting new patients
Marietta Memorial Hospital Past Accepting new patients
Marietta Opco, LLC Past Accepting new patients
Ewv Holdings, LLC Past Accepting new patients
Arcadia Valley Skilled Nursing & Rehabilitation, Inc. Past Accepting new patients
Woodsfield Opco, LLC Past Accepting new patients
Belpre Landing Nursing & Rehabilitation, Inc. Past Accepting new patients
Riverview Leasing Co., LLC Past Accepting new patients
27TH Street Leasing Co., LLC Past Accepting new patients

Locations

1106 Colegate Dr
Marietta, OH 45750
Phone (740) 374-7700

320 E 8th St
Marietta, OH 45750
Phone (740) 568-2212

320 E 8th St
Ste 141
Marietta, OH 45750
Phone (740) 374-5580

400 Matthew St
Ste 101
Marietta, OH 45750
Phone (740) 568-4150

400 Matthew St
Ste 220
Marietta, OH 45750
Phone (740) 374-4273

401 Matthew St
Marietta, OH 45750
Phone (740) 374-1400

416 Colegate Dr
#3
Marietta, OH 45750
Phone (740) 374-3526

701 Hildreth Ln
Marietta, OH 45750
Phone (740) 371-7194

800 Pike St
Ste 2
Marietta, OH 45750
Phone (740) 373-3960

802 Wayne St
Ste 204
Marietta, OH 45750
Phone (740) 374-4945

305 Clay St
Sistersville, WV 26175
Phone (304) 447-2038

314 S Wells St
Sistersville, WV 26175
Phone (304) 652-2399

424 Highland Ave
Williamstown, WV 26187
Phone (304) 375-4656

Interoperability endpoints

  • Direct secure messaging: david.montgomery@mmhs.medicity.net

Ownership & related parties

All facility ownership & control disclosures 3

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
Arcadia Valley Skilled Nursing and RehabilitationCoolville, OH, CCN 365588 Skilled nursing facility Operational/Managerial Control
Adp of the SNF		 Jan 1, 2021
Jan 1, 2021
Eagle Pointe Healthcare CenterParkersburg, WV, CCN 515159 Skilled nursing facility Operational/Managerial Control
Adp of the SNF		 Aug 1, 2022
Apr 2, 2025
Belmont Healthcare CenterBelmont, WV, CCN 515191 Skilled nursing facility Operational/Managerial Control
Adp of the SNF		 Jul 1, 2022
Jul 1, 2022

Owned or controlled facilities with NPI records 3

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

Organizations & group practices 18

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 18

Hospital & facility affiliations 15

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

View all 15

NPI Registry JSON

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

{
    "created_epoch": "1141862400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1792540800000",
    "number": "1992773501",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "416 COLEGATE DR BLDG 3",
            "city": "MARIETTA",
            "state": "OH",
            "postal_code": "457509549",
            "telephone_number": "740-374-3526",
            "fax_number": "740-374-3165"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "320 E 8TH ST STE 141",
            "city": "MARIETTA",
            "state": "OH",
            "postal_code": "457503382",
            "telephone_number": "740-374-5580",
            "fax_number": "740-374-6266"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "424 Highland Ave",
            "address_purpose": "LOCATION",
            "city": "Williamstown",
            "state": "WV",
            "postal_code": "261871249",
            "country_code": "US",
            "telephone_number": "740-376-6191",
            "fax_number": "740-376-6192",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "802 Wayne St Ste 100",
            "address_purpose": "LOCATION",
            "city": "Marietta",
            "state": "OH",
            "postal_code": "457503373",
            "country_code": "US",
            "telephone_number": "740-374-5580",
            "fax_number": "740-374-6266",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MONTGOMERY",
        "first_name": "DAVID",
        "credential": "D.O.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-03-09",
        "last_updated": "2026-10-21",
        "certification_date": "2026-10-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OH",
            "license": "34007570",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "david.montgomery@mmhs.directaddress.net",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "802 Wayne St Ste 100",
            "city": "Marietta",
            "state": "OH",
            "country_code": "US",
            "postal_code": "457503373",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "david.montgomery@mmhs.directaddress.net",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "320 E 8th St Ste 141",
            "city": "Marietta",
            "state": "OH",
            "country_code": "US",
            "postal_code": "457503382",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "david.montgomery@mmhs.directaddress.net",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "424 Highland Ave",
            "city": "Williamstown",
            "state": "WV",
            "country_code": "US",
            "postal_code": "261871249",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Marietta, OH

Sources for this page

Verify at the official NPI Registry.