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DR. SIXTO A ALVAREZ M.D
NPI 1336181551
General Practice in Caguas, PR

Active since June 12, 2006PECOS Enrolled
24 CARR 172, CAGUAS, PR 00727(787) 286-6060(787) 286-6161 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Sixto A Alvarez M.d NPPES

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

DR. SIXTO A ALVAREZ M.D (NPI 1336181551) is an individual general practice provider in Caguas, Puerto Rico, licensed in Puerto Rico (15079) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1336181551
Entity TypeIndividualMale
Primary Taxonomy208D00000X
Provider Legal NameDR. SIXTO A ALVAREZCredential: M.D
Location Address24 CARR 172Caguas, PR 00727-7077
Mailing AddressHa17 Calle Elisa Tavarez, 7ma SeccionToa Baja, PR 00949-3626 · (787) 286-6060 · Fax (787) 286-6161
Phone(787) 286-6060
Fax(787) 286-6161
Sole ProprietorNo
Enumeration DateJune 12, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1336181551 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in PR · 15079
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
24 CARR 172, Caguas, PR 00727
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Other Identifiers 1

Medicare ID-Type Unspecified0022241PR

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Sixto A Alvarez 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 Sixto Alvarez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sciometrix Inc
1,616 mi
General Practice
3350 VICTORY BLVD
Staten Island, NY 10314
  • Reassigned Medicare billing, Puerto Rico enrollment
NPI 1457065591 (860) 335-5064

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

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4035
Other-Enteral and Parenteral · category OB006N
1 supplier12 claims360 services$7.86 avg. paid by Medicare
Enteral formula, manufactured blenderized natural foods with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4149
Other-Enteral and Parenteral · category OB006N
1 supplier12 claims3,816 services$1.12 avg. paid by Medicare
Powered pressure reducing mattress overlay/pad, alternating, with pump, includes heavy duty E0181
DME-Other DME · category DE000N
1 supplier12 claims12 services$19.91 avg. paid by Medicare
Iv pole E0776
DME-Other DME · category DE000N
1 supplier12 claims12 services$13.88 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SAR MEDICAL SERVICES LLC
General Practice
24 CARR 172
CAGUAS, PR 00727
Caguas Municipio (787) 286-6060

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 Sixto Alvarez's NPI number?

The NPI number for Sixto Alvarez is 1336181551. It was assigned to this individual provider in the NPPES registry on June 12, 2006.

Where is Sixto Alvarez located?

Sixto Alvarez practices at 24 Carr 172, Caguas, PR 00727. The listed phone number is (787) 286-6060.

What is Sixto Alvarez's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Sixto Alvarez enrolled in Medicare?

Yes. Sixto Alvarez is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Sixto Alvarez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sixto Alvarez reassigns Medicare benefits to Sciometrix Inc (Staten Island, NY). 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 Sixto Alvarez'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 Sixto Alvarez was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.