Active NPI
Sylwia Patrycja Fowler, MD
- Neurology Physician
- North Bethesda, MD
National Provider Identifier
1083097893
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Neurology Physician
- License
- D0087249
- Practice address
- 6000 Executive Blvd Ste 405
North Bethesda, MD 20852-3857 - Phone
- (301) 888-6128
- Fax
- (301) 517-9369
- NPI assigned
- Jun 30, 2015
- Sex
- Female
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Neurology Physician | 2084N0400X | D0087249 | MD | Primary |
| Psychiatry Physician | 2084P0800X | 262733 | MA |
Addresses
Primary practice location
6000 Executive Blvd Ste 405
North Bethesda, MD 20852-3857
Mailing address
6000 Executive Blvd Ste 405
North Bethesda, MD 20852-3857
Phone (301) 888-6128
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Opted out of Medicare
- Yes, effective Jan 23, 2023 through Jan 23, 2027
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| D0087249 | MD | MD | Neurology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Sylwia P Fowler, MD Psychiatry LLC | Current | Accepting new patients | |
| Frederick Health Hospital Inc | Past | Accepting new patients | |
| Neta, Inc. | Past | Accepting new patients |
Locations
6000 Executive Blvd
Ste 405
North Bethesda, MD 20852
6000 Executive Blvd
Ste 602
Rockville, MD 20852
Phone (301) 770-6301
Organizations & group practices 3
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.
-
- Mental Health Clinic/Center (Including Community Mental Health Center)
- North Bethesda, MD
- NPI 1821985078
-
- General Acute Care Hospital
- Frederick, MD
- NPI 1538165527
-
- Child & Adolescent Psychiatry Physician
- Arlington, VA
- NPI 1134506520
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1435622400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783468800000",
"number": "1083097893",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "6000 EXECUTIVE BLVD STE 405",
"city": "NORTH BETHESDA",
"state": "MD",
"postal_code": "208523857",
"telephone_number": "301-888-6128",
"fax_number": "301-517-9369"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "6000 EXECUTIVE BLVD STE 405",
"city": "NORTH BETHESDA",
"state": "MD",
"postal_code": "208523857",
"telephone_number": "301-888-6128",
"fax_number": "301-517-9369"
}
],
"practiceLocations": [],
"basic": {
"last_name": "FOWLER",
"first_name": "SYLWIA",
"middle_name": "PATRYCJA",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2015-06-30",
"last_updated": "2026-07-08",
"certification_date": "2026-07-08",
"status": "A"
},
"taxonomies": [
{
"code": "2084N0400X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Neurology",
"state": "MD",
"license": "D0087249",
"primary": true
},
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "MA",
"license": "262733",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in North Bethesda, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 8, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.