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DR. GUILLERMO RAFAEL ARMAIZ M.D.
NPI 1598740920
Internal Medicine in Vega Baja, PR

Active since December 08, 2005PECOS Enrolled
50 JOSE J ACOSTA ST, VEGA BAJA, PR 00693(787) 858-6077(787) 858-6704 Get Directions Write a Review

NPPES record last updated: December 17, 2009. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Guillermo Rafael Armaiz M.d. NPPES

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

DR. GUILLERMO RAFAEL ARMAIZ M.D. (NPI 1598740920) is an individual internal medicine provider in Vega Baja, Puerto Rico, licensed in Puerto Rico (6843) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1598740920
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. GUILLERMO RAFAEL ARMAIZCredential: M.D.
Location Address50 JOSE J ACOSTA STVega Baja, PR 00693
Mailing Address50 Jose J Acosta StVega Baja, PR 00693 · (787) 858-6077 · Fax (787) 858-6704
Phone(787) 858-6077
Fax(787) 858-6704
Sole ProprietorYes
Enumeration DateDecember 8, 2005
Last NPPES UpdateDecember 17, 2009
✔ NPI 1598740920 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in PR · 6843
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
50 JOSE J ACOSTA ST, Vega Baja, PR 00693
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Other Identifiers 7

Medicare UPINE00089PR
Other22515ARPR · Triple S De Puerto Rico
Other068476PR · La Cruz Azul De Puerto Ri
Other100042PR · Mmm Healthcare, Inc.
OtherA367PR · First Medical Health Plan
Medicare ID-Type Unspecified0022515PR
Other6930032PR · Humana Of Puerto Rico

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Guillermo Rafael Armaiz 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00693 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$130.65 typical visit price
range $56.86 – $172.44
Typical copayment $32.66 (range $14.21 – $43.11)
Most-billed visit code 99204
Established Patient
$100.24 typical visit price
range $18.24 – $140.44
Typical copayment $25.06 (range $4.56 – $35.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Guillermo Armaiz's NPI number?

The NPI number for Guillermo Armaiz is 1598740920. It was assigned to this individual provider in the NPPES registry on December 8, 2005.

Where is Guillermo Armaiz located?

Guillermo Armaiz practices at 50 Jose J Acosta St, Vega Baja, PR 00693. The listed phone number is (787) 858-6077.

What is Guillermo Armaiz's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Guillermo Armaiz enrolled in Medicare?

Yes. Guillermo Armaiz is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Guillermo Armaiz was last updated on December 17, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.