Active NPI
Sammar Atassi, M.D.
- Sleep Medicine (Internal Medicine) Physician
- Montgomery, WV
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Sleep Medicine (Internal Medicine) Physician
- License
- 17398
- Practice address
- 401 6TH Ave
Suite #102
Montgomery, WV 25136-2116 - Phone
- (304) 442-8381
- Fax
- (304) 442-8385
- NPI assigned
- Sep 22, 2006
- Last updated
- Sep 11, 2025
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 17398 | WV | |
| Sleep Medicine (Internal Medicine) Physician | 207RS0012X | 17398 | WV | Primary |
Addresses
Primary practice location
401 6TH Ave
Suite #102
Montgomery, WV 25136-2116
Mailing address
401 6TH Ave
Suite #102
Montgomery, WV 25136-2116
Phone (304) 442-8381
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0076336000 | Medicaid | WV |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in WV
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Other, 1989
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
401 6TH Ave
Montgomery, WV 25136-2116
Phone (304) 442-5151
PO Box
Suite 270
Montgomery, WV 25136-0270
Hospital & facility affiliations
- Adoration Home Health
- Hospicecare, Inc
- Montgomery General Hospital
- Thomas Memorial Hospital
- Charleston Area Medical Center
- Montgomery General Elderly Care
Merit-based Incentive Payment System (MIPS)
- Final score
- 90.94 of 100
- Quality
- 69.71
- Promoting interoperability
- 100
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Montgomery General Hospital, Inc | Current | Accepting new patients | |
| Virtuox, LLC | Current | Accepting new patients | |
| Montgomery General Hospital, Inc | Current | Accepting new patients | |
| Montgomery General Elderly Care Center, Inc. | Past | Accepting new patients | |
| Charleston Area Medical Center Inc | Past | Accepting new patients | |
| Montgomery General Hospital, Inc. | Past | Accepting new patients |
Locations
401 6th Ave
Montgomery, WV 25136
Phone (304) 442-5151
401 6th Ave
Ste 102
Montgomery, WV 25136
Phone (304) 442-8381
401 6th Ave
Ste 301
Montgomery, WV 25136
Phone (304) 442-4466
Ownership & related parties
All facility ownership & control disclosures 1
Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.
| Facility | Type | Role | Since |
|---|---|---|---|
| Montgomery Rehab and Nursing | Skilled nursing facility | Operational/Managerial Control Adp of the SNF |
Jan 1, 2010 Feb 26, 2025 |
Owned or controlled facilities with NPI records 1
Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.
-
- Skilled Nursing Facility
- Montgomery, WV
- NPI 1053410985
Adp of the SNF, Operational/Managerial Control
Organizations & group practices 7
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.
-
- Critical Access Hospital
- Montgomery, WV
- NPI 1619913647
-
- Internal Medicine Physician
- Montgomery, WV
- NPI 1538379664
-
dba Montgomery Physician Clinic
- Rural Health Clinic/Center
- Montgomery, WV
- NPI 1275163644
-
- Physiological Laboratory
- Coral Springs, FL
- NPI 1518906940
-
- Skilled Nursing Facility
- Montgomery, WV
- NPI 1053410985
-
- Skilled Nursing Facility
- Montgomery, WV
- NPI 1871684324
-
- Multi-Specialty Clinic/Center
- Belpre, OH
- NPI 1588422547
Hospital & facility affiliations 16
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Adoration Home Health
- Home Health Agency
- Charleston, WV
- NPI 1700834553
-
- Psychiatric Hospital Unit
- Charleston, WV
- NPI 1265421226
-
- General Acute Care Hospital
- Beckley, WV
- NPI 1427904002
-
- General Acute Care Hospital
- Beckley, WV
- NPI 1508712118
-
- Rehabilitation Hospital Unit
- Charleston, WV
- NPI 1639168693
-
- General Acute Care Hospital
- Beckley, WV
- NPI 1689520264
-
- General Acute Care Hospital
- Fayetteville, WV
- NPI 1932055589
-
- General Acute Care Hospital
- Charleston, WV
- NPI 1952390239
-
- General Acute Care Hospital
- Charleston, WV
- NPI 1124248752
-
dba CAMC Pharmacy #3
- Community/Retail Pharmacy
- Charleston, WV
- NPI 1134518186
Hospital
-
dba CAMC GVMC Physician Department
- Hospitalist Physician
- Ronceverte, WV
- NPI 1972125995
-
- General Acute Care Hospital
- Fayetteville, WV
- NPI 1174479513
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1158883200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1396845137",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "401 6TH AVE",
"address_2": "SUITE #102",
"city": "MONTGOMERY",
"state": "WV",
"postal_code": "251362116",
"telephone_number": "304-442-8381",
"fax_number": "304-442-8385"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "401 6TH AVE",
"address_2": "SUITE #102",
"city": "MONTGOMERY",
"state": "WV",
"postal_code": "251362116",
"telephone_number": "304-442-8381",
"fax_number": "304-442-8385"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ATASSI",
"first_name": "SAMMAR",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-09-22",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "WV",
"license": "17398",
"primary": false
},
{
"code": "207RS0012X",
"taxonomy_group": "",
"desc": "Internal Medicine, Sleep Medicine",
"state": "WV",
"license": "17398",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "0076336000",
"state": "WV"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Montgomery, WV
- M Anwar Yahya Abdeen, MD
- Traci Boyd Acklin, M.D.
- Adin L Timbayan MD Inc (Family Medical & Surgical Center)
- Christine Lynn Alfaro
- Shane Michael Ammons
- Aaron Bailey
- Alexander McKinney Ball, DO
- Ignacio Z. Bernardo Jr., D.D.S.
- Ravin Bhirud, M. D.
- Bio-Medical Applications of West Virginia, Inc. (Fresenius Medical Care Hawks Nest)
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.