Active NPI
Gwendolyn Delvalle, NP
- Family Nurse Practitioner
- New Hyde Park, NY
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- License
- R255408
- Practice address
- 1999 Marcus Ave Ste 220
New Hyde Park, NY 11042-1021 - Phone
- (516) 335-5525
- NPI assigned
- Mar 11, 2014
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Nurse Practitioner | 363LF0000X | R255408 | MD | Primary |
Addresses
Primary practice location
1999 Marcus Ave Ste 220
New Hyde Park, NY 11042-1021
Mailing address
1999 Marcus Ave Ste 220
New Hyde Park, NY 11042-1021
Phone (516) 335-5525
Other names 1
- Gwen Delvalle
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | gdelvalle148782@nyumc.direct-ci.com |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NY, MD
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- Other, 2013
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1417 Madison Park Dr
Glen Burnie, MD 21061-5613
Phone (410) 768-6600
Hospital & facility affiliations
- University of MD Baltimore Washington Medical Center
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 338233 | NY | MD | Psychiatry Physician |
| R255408 | MD | MD | Family Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| New York University | Current | Accepting new patients | |
| University of Maryland Community Medical Group, Inc. | Current | Accepting new patients | |
| University of Maryland Community Medical Group, Inc. | Current | Accepting new patients | |
| New York University | Current | Accepting new patients | |
| University of Maryland Baltimore Washington Heart Associates LLC | Current | Accepting new patients | |
| University of Maryland Community Medical Group, Inc. | Past | Accepting new patients | |
| CHS Physician Partners, P.C | Past | Accepting new patients | |
| New York Cardiology Group, P.C. | Past | Accepting new patients |
Locations
1417 Madison Park Dr
Glen Burnie, MD 21061
Phone (410) 768-6600
301 Hospital Dr
Glen Burnie, MD 21061
Phone (410) 787-4565
255 Hospital Dr
Fl 3
Glen Burnie, MD 21061
Phone (410) 553-8240
7845 Oakwood Rd
Ste 106
Glen Burnie, MD 21061
Phone (410) 760-5100
920 Elkridge Landing Rd
Fl 4
Linthicum Heights, MD 21090
Phone (443) 462-5010
1999 Marcus Ave
Ste 220
New Hyde Park, NY 11042
Phone (516) 335-5525
Interoperability endpoints
- gdelvalle1322505@direct.umm.edu
- gdelvalle148782@nyumc.direct-ci.com
Organizations & group practices 8
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.
-
- Cardiovascular Disease Physician
- Glen Burnie, MD
- NPI 1972084507
-
- Family Medicine Physician
- Baltimore, MD
- NPI 1477530624
-
- Physical Medicine & Rehabilitation Physician
- Boynton Beach, FL
- NPI 1104787613
-
- Surgical Physician Assistant
- Glen Burnie, MD
- NPI 1295367894
-
- Psychiatry Physician
- La Plata, MD
- NPI 1679393854
-
- Cardiovascular Disease Physician
- Roslyn, NY
- NPI 1164585725
-
- Specialist
- Roslyn, NY
- NPI 1093803892
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Glen Burnie, MD
- NPI 1124016696
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1394496000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1778630400000",
"number": "1174949432",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1999 MARCUS AVE STE 220",
"city": "NEW HYDE PARK",
"state": "NY",
"postal_code": "110421021",
"telephone_number": "516-335-5525"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1999 MARCUS AVE STE 220",
"city": "NEW HYDE PARK",
"state": "NY",
"postal_code": "110421021",
"telephone_number": "516-335-5525"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DELVALLE",
"first_name": "GWENDOLYN",
"credential": "NP",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2014-03-11",
"last_updated": "2026-05-13",
"certification_date": "2026-05-13",
"status": "A"
},
"taxonomies": [
{
"code": "363LF0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Family",
"state": "MD",
"license": "R255408",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "gdelvalle148782@nyumc.direct-ci.com",
"affiliation": "N",
"address_1": "1999 Marcus Ave Ste 220",
"city": "New Hyde Park",
"state": "NY",
"country_code": "US",
"postal_code": "110421021",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": [
{
"first_name": "GWEN",
"last_name": "DELVALLE",
"credential": "NP",
"code": "5",
"type": "Other Name"
}
]
}
Other providers in New Hyde Park, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; 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.