Active NPI
Darcy Marie Diago Blanco, MD
- Internal Medicine Physician
- Washington, DC
National Provider Identifier
1619456944
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 22304
- Practice address
- 2150 Pennsylvania Ave NW
Washington, DC 20037-3201 - Phone
- (202) 741-3000
- NPI assigned
- Aug 8, 2018
- Last updated
- Feb 21, 2026
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 22304 | PR | Primary |
Addresses
Primary practice location
2150 Pennsylvania Ave NW
Washington, DC 20037-3201
Mailing address
Cond. Plaza Esmeralda
Apt. 116
Guaynabo, PR 00969
Phone (787) 344-9149
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in PR
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20240719000731 | PR | Practitioner - Internal Medicine | 1153867783 | Practice locations: Ponce, PR |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 22304 | PR | MD | Internal Medicine Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1533686400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1771632000000",
"number": "1619456944",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "COND. PLAZA ESMERALDA",
"address_2": "APT. 116",
"city": "GUAYNABO",
"state": "PR",
"postal_code": "00969",
"telephone_number": "787-344-9149"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2150 PENNSYLVANIA AVE NW",
"city": "WASHINGTON",
"state": "DC",
"postal_code": "200373201",
"telephone_number": "202-741-3000"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DIAGO BLANCO",
"first_name": "DARCY",
"middle_name": "MARIE",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2018-08-08",
"last_updated": "2026-02-21",
"certification_date": "2026-02-21",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "PR",
"license": "22304",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Washington, DC
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 21, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.