Active NPI
William Omar Marrero Ortiz, MD
- Geriatric Medicine (Internal Medicine) Physician
- San Juan, PR
National Provider Identifier
1619418027
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Geriatric Medicine (Internal Medicine) Physician
- License
- 23096
- Practice address
- 735 Ave Ponce de Leon Ste 415
San Juan, PR 00917-5026 - Phone
- (787) 768-9813
- NPI assigned
- Mar 17, 2017
- Last updated
- May 24, 2024
- 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 | 23096 | PR | |
| Geriatric Medicine (Internal Medicine) Physician | 207RG0300X | 23096 | PR | Primary |
Addresses
Primary practice location
735 Ave Ponce de Leon Ste 415
San Juan, PR 00917-5026
Mailing address
1509 Ave Ponce de Leon Apt 1173
San Juan, PR 00909-1796
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
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 23096 | PR | MD | Internal Medicine Physician |
Organizations & group practices 1
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.
-
- Internal Medicine Physician
- San Juan, PR
- NPI 1134470404
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1489708800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1716508800000",
"number": "1619418027",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1509 AVE PONCE DE LEON APT 1173",
"city": "SAN JUAN",
"state": "PR",
"postal_code": "009091796"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "735 AVE PONCE DE LEON STE 415",
"city": "SAN JUAN",
"state": "PR",
"postal_code": "009175026",
"telephone_number": "787-768-9813"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MARRERO ORTIZ",
"first_name": "WILLIAM",
"middle_name": "OMAR",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2017-03-17",
"last_updated": "2024-05-24",
"certification_date": "2024-05-24",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "PR",
"license": "23096",
"primary": false
},
{
"code": "207RG0300X",
"taxonomy_group": "",
"desc": "Internal Medicine, Geriatric Medicine",
"state": "PR",
"license": "23096",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in San Juan, PR
- Victor Miguel Marrero Bernardo, MD
- Rosa Maria Marrero Fernandez, MD
- Amanda Paola Marrero Gonzalez, MD
- Sylmarie M Marrero Martinez, MD
- Lisandra Marrero Montes, MS SLP
- Valerie Rose Marrero Perea, MD
- Heidy Norel Marrero Perez, MS
- Luis G Marrero Perez
- Daninsy Marrero Rivera
- Arnaldo L Marrero Rodriguez, M.D
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 24, 2024; 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.