JUAN M. MARRERO M.D. – NPI #1174528269
Anesthesiology
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
JUAN MARRERO is an anesthesiologist located in HUMACAO, PR. NPPES has assigned the NPI number 1174528269 to JUAN MARRERO on June 16, 2005. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 207L00000X from the Health Care Provider Taxonomy code set, which is classified as Anesthesiology.
The NPI profile was last updated on Feb 18, 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 JUAN MARRERO below.
NPI Profile for
JUAN M. MARRERO
(about 21 years ago)
HUMACAO, PR 00791 Phone: (787) 852-2424 Fax:
HACIENDA MARGARITA
LUQUILLO, PR 00773-3031 Phone: (787) 314-5854 Fax:
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Identifiers for JUAN MARRERO
Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.
| Description | Issuer | State | Identifier |
|---|---|---|---|
| other | AMERICAN HEALTH PROVIDER | PR | 03655 |
| other | CIGNA PROVIDER NUMBER | PR | 4001792 |
| other | CRUZ AZUL PROVIDER NUMBER | PR | 100968 |
| other | TTRIPLESSS PROVIDER NUMBE | PR | 87606 |
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 |
|---|---|---|
| 207L00000X - Anesthesiology (Primary) |
PR | 11002 |
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.
Additional Information
- Refer to Part B
- Order Durable Medical Equipment
- Refer to Home Health Agency
- Order Power Mobility Devices
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