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DR. ALFREDO A. RIVERA M.D.
NPI 1386790707
Anesthesiology in St. Thomas, VA

Active since January 26, 2007PECOS Enrolled
#9048 SUGAR ESTATE, SCHNEIDER REGIONAL MEDICAL CENTER-ROY L. SCHNEIDER HOSP, ST. THOMAS, VA 00802(340) 776-8311 Get Directions Write a Review

NPPES record last updated: February 15, 2009. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Alfredo A. Rivera M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ALFREDO A. RIVERA M.D. (NPI 1386790707) is an individual anesthesiology provider in St. Thomas, Virginia, licensed in Virgin Islands (VI-1296) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1386790707
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. ALFREDO A. RIVERACredential: M.D.
Location Address#9048 SUGAR ESTATE, SCHNEIDER REGIONAL MEDICAL CENTER-ROY L. SCHNEIDER HOSPSt. Thomas, VA 00802
Mailing Address225 S Executive DrBrookfield, WI 53005-4257 · (262) 787-4026
Phone(340) 776-8311
Sole ProprietorNo
Enumeration DateJanuary 26, 2007
Last NPPES UpdateFebruary 15, 2009
✔ NPI 1386790707 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in VI · VI-1296
Definition
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.

Other Identifiers 3

OtherP00600222Rail Road Medicare
OtherAR1655046VI · Anesthesiologist
Medicare PIN83721DPR

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alfredo A. Rivera M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Alfredo Rivera reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Vi Government Hospital And Health Facilities Corp
General Acute Care Hospital
9048 SUGAR ESTATE
St Thomas, VI 00802
  • Reassigned Medicare billing, U.S. Virgin Islands enrollment
  • 114 clinicians in this Medicare group
NPI 1487699047 (340) 776-8311

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alfredo Rivera's NPI number?

The NPI number for Alfredo Rivera is 1386790707. It was assigned to this individual provider in the NPPES registry on January 26, 2007.

Where is Alfredo Rivera located?

Alfredo Rivera practices at #9048 Sugar Estate Schneider Regional Medical Center-Roy L. Schneider Hosp, St. Thomas, VA 00802. The listed phone number is (340) 776-8311.

What is Alfredo Rivera's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Alfredo Rivera enrolled in Medicare?

Yes. Alfredo Rivera is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alfredo Rivera's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alfredo Rivera reassigns Medicare benefits to Vi Government Hospital And Health Facilities Corp (St Thomas, VI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alfredo Rivera's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Alfredo Rivera was last updated on February 15, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.