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MAS MEDICAL GROUP INC
NPI 1053479675
Internal Medicine in Miami, FL

Active since December 05, 2006
3181 CORAL WAY 5TH FL, MIAMI, FL 33145(305) 858-3494(305) 444-0782 Get Directions Write a Review

NPPES record last updated: April 21, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 21, 2021, Aug 22, 2020 (2 updates tracked since 2020).

About Mas Medical Group Inc NPPES

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

MAS MEDICAL GROUP INC (NPI 1053479675) is a healthcare organization registered as an internal medicine in Miami, Florida and active in the NPI registry since December 2006. The organization lists Rafael Jose Mas, President, as its authorized official.

NPPES Registry Identity

NPI1053479675
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMAS MEDICAL GROUP INC
Location Address3181 CORAL WAY 5TH FLMiami, FL 33145
Mailing Address3181 Coral Way 5th FlMiami, FL 33145 · (305) 858-3494 · Fax (786) 497-2725
Phone(305) 858-3494
Fax(305) 444-0782
Organization SubpartNo
Authorized OfficialRafael Jose MasPresident · (305) 858-3494
Enumeration DateDecember 5, 2006
Last NPPES UpdateApril 21, 20212 updates tracked since enumeration
NPPES CertifiedApril 21, 2021
✔ NPI 1053479675 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
3181 CORAL WAY 5TH FL, Miami, FL 33145
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Other Identifiers 1

Medicaid266976500FL

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter of Alabama, Florida Blue (BlueCross BlueShield FL) and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mas Medical Group Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

10

Medicare enrollment records show 10 clinicians reassign Medicare billing to Mas Medical Group Inc, which bills Medicare for the services they deliver. Of these, 5 practice at this address and 9 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 4

Internal Medicine5
Nurse Practitioner3
Cardiovascular Disease (Cardiology)1
Family Practice1

Clinicians, nearest first (10)

Raul Almaguer, MD
Internal Medicine
NPI 1134192131
3181 CORAL WAY 5TH FLOOR
Miami, FL 33145
(305) 858-3494
✔ PECOS✔ Accepts MedicareSame address
Ildefonso Mas, MD
Cardiovascular Disease (Cardiology)
NPI 1184697195
3181 CORAL WAY 5TH FLOOR
Miami, FL 33145
(305) 858-3494
✔ PECOS✔ Accepts MedicareSame address
Rafael Mas, MD
Internal Medicine
NPI 1942285358
3181 CORAL WAY FL 5
Miami, FL 33145
(305) 858-3494
✔ PECOSSame address
Christina Rodriguez, M.D.
Internal Medicine
NPI 1750822979
3181 CORAL WAY FL 5
Miami, FL 33145
(305) 858-3494
✔ PECOS✔ Accepts MedicareSame address
Maria Mas, MD
Internal Medicine
NPI 1679558084
3181 CORAL WAY 5TH FLOOR
Coral Gables, FL 33145
(305) 858-3494
✔ PECOSSame address
Tania Machin Triguero, APRN
Nurse Practitioner
NPI 1306728639
3181 CORAL WAY FL 5
Miami, FL 33145
(305) 858-3494
✔ PECOS✔ Accepts Medicare2.0 mi
Ariel Vazquez
Family Practice
NPI 1407351372
7400 SW 87TH AVE STE 260
Miami, FL 33173
(786) 595-8040
✔ PECOS✔ Accepts Medicare6.5 mi
Armando Aguilera, APRN
Nurse Practitioner
NPI 1982216396
9821 SW 12TH TER
Miami, FL 33174
(305) 281-2250
✔ PECOS6.8 mi
Frank Aranda, M.D.
Internal Medicine
NPI 1588649099
9589 NW 41ST ST
Doral, FL 33178
(305) 629-9914
✔ PECOS✔ Accepts Medicare7.9 mi
Jorge Hoyo, APRN
Nurse Practitioner
NPI 1497367510
15306 SW 53RD TER
Miami, FL 33185
(786) 506-1886
✔ PECOS12 mi

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 Mas Medical Group Inc's NPI number?

The NPI number for Mas Medical Group Inc is 1053479675. It was assigned to this organization in the NPPES registry on December 5, 2006.

Where is Mas Medical Group Inc located?

Mas Medical Group Inc is located at 3181 Coral Way 5th Fl, Miami, FL 33145. The listed phone number is (305) 858-3494.

What is Mas Medical Group Inc's specialty?

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

Is Mas Medical Group Inc enrolled in Medicare?

Yes. Mas Medical Group Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mas Medical Group Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 10 clinicians in 4 Medicare specialties reassign their Medicare billing to Mas Medical Group Inc. A 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 the clinician's services. The largest specialties are Internal Medicine (5), Nurse Practitioner (3) and Cardiovascular Disease (Cardiology) (1). Of these, 5 practice at this address and 9 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Mas Medical Group Inc accept?

Health plans from Ambetter Health, Ambetter of Alabama, Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Mas Medical Group Inc as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mas Medical Group Inc was last updated on April 21, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.