PROMETHEUS MEDICAL GROUP PSC – NPI #1083183388
Internal Medicine

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Health Care Provider Taxonomy Code for Internal Medicine

PROMETHEUS MEDICAL GROUP PSC is a provider located in SAN JUAN, PR. NPPES has assigned the NPI number 1083183388 to PROMETHEUS MEDICAL GROUP PSC on November 15, 2018. It is a Type-2 NPI, indicating this NPI number is associated with an organization. This provider is also associated with 2 additional names listed below. The primary taxonomy selected by this provider is 207RH0003X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Hematology & Oncology

The NPI profile was last updated on Jan 27, 2026. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for PROMETHEUS MEDICAL GROUP PSC below.

NPI Profile for
PROMETHEUS MEDICAL GROUP PSC

NPI Number
1083183388
Enumeration Date

(more than 7 years ago)
Entity Type
Type-2  Organization
Organization health care providers may have a single employee or thousands of employees. An example is an incorporated individual who is an organization's only employee.
Legal Name
PROMETHEUS MEDICAL GROUP PSC
Other name(s)
All associated names:
Doing Business As (dba)
Clinica de Oncologia Dr. Sixto Perez
Former Legal Business Name
Prometheus Medical Group
Primary location
TORRE DEL METROPOLITANO 1789 CARR 21
SUITE 301
SAN JUAN, PR 00921
Phone: (787) 463-9619 Fax:
Mailing address
1789 CARR 21 STE 301
SAN JUAN, PR 00921-3337
Phone: (787) 250-7338 Fax: (787) 705-7974
Organization Subpart
No
Authorized Official
SIXTO PEREZ GARCIA
OWNER
Phone: (787) 250-7338
Updated
Certification Date
Jan 27, 2026

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207RH0003X
- Internal Medicine / Hematology & Oncology (Primary)

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.