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DR. MARIA CECILIA MAS MD
NPI 1679558084
Internal Medicine in Coral Gables, FL

Active since December 08, 2005PECOS Enrolled
3181 CORAL WAY, 5TH FLOOR, CORAL GABLES, FL 33145(305) 858-3494(786) 497-2725 Get Directions Write a Review

NPPES record last updated: August 16, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Maria Cecilia Mas Md NPPES

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

DR. MARIA CECILIA MAS MD (NPI 1679558084) is an individual internal medicine provider in Coral Gables, Florida, licensed in Florida (ME79887) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1679558084
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. MARIA CECILIA MASCredential: MD
Location Address3181 CORAL WAY, 5TH FLOORCoral Gables, FL 33145-3216
Mailing Address3181 Coral Way, 5th FloorCoral Gables, FL 33145-3216 · (305) 858-3494 · Fax (786) 497-2725
Phone(305) 858-3494
Fax(786) 497-2725
Sole ProprietorNo
Enumeration DateDecember 8, 2005
Last NPPES UpdateAugust 16, 2011
✔ NPI 1679558084 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in FL · ME79887
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, Coral Gables, FL 33145
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Other Identifiers 3

Medicare PIN49808ZFL
Medicare UPINH11238FL
Medicaid258787400FL

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Maria Cecilia Mas Md 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 Reassignments

4

Medicare enrollment records show Maria Mas reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mas Medical Group Inc
Same address
Internal Medicine
3181 CORAL WAY 5TH FL
Miami, FL 33145
  • Reassigned Medicare billing, Florida enrollment
  • 10 clinicians in this Medicare group
NPI 1053479675 (305) 858-3494
Qmc LLC
3.2 mi
Hospitalist
5201 BLUE LAGOON DR FL 89
Miami, FL 33126
  • Reassigned Medicare billing, Florida enrollment
  • 183 clinicians in this Medicare group
NPI 1003216391 (305) 554-1700
Florida Hospital Medicine Services, LLC.
61 mi
Hospitalist
21644 STATE ROAD 7
Boca Raton, FL 33428
  • Reassigned Medicare billing, Florida enrollment
  • 516 clinicians in this Medicare group
NPI 1508873183 (561) 488-8000
Cogent Healthcare Of Pensacola LLC
93 mi
Internal Medicine
8300 COLLIER BLVD
Naples, FL 34114
  • Reassigned Medicare billing, Florida enrollment
  • 335 clinicians in this Medicare group
NPI 1740863844 (239) 354-6000

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

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
85 services55 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
62 services31 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
30 services30 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33145 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
$141.56 typical visit price
range $60.92 – $187.05
Typical copayment $35.39 (range $15.23 – $46.76)
Most-billed visit code 99204
Established Patient
$107.17 typical visit price
range $18.99 – $150.24
Typical copayment $26.79 (range $4.74 – $37.56)
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.

Referred Medical Equipment & Supplies CMS DME claims 3

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
8 suppliers45 claims160 services$6.14 avg. paid by Medicare
Normal, low and high calibrator solution / chips A4256
DME-Other DME · category DE000N
1 supplier21 claims21 services$2.66 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
3 suppliers25 claims63 services$1.11 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 15

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

NATALIA MAS M.S.,CCC-SLP
Speech-Language Pathologist
3181 CORAL WAY, 5TH FLOOR
CORAL GABLES, FL 33145
Miami-Dade County (305) 858-3494
GERARD JOHN BARRIOS M.D.
Internal Medicine
3181 CORAL WAY, 5TH FLOOR
CORAL GABLES, FL 33145
Miami-Dade County (305) 858-3494
RAUL ALMAGUER MD
Internal Medicine
3181 CORAL WAY, 5TH FLOOR
MIAMI, FL 33145
Miami-Dade County (305) 858-3494
ILDEFONSO J MAS JR. MD
Internal Medicine (Cardiovascular Disease)
3181 CORAL WAY, 5TH FLOOR
MIAMI, FL 33145
Miami-Dade County (305) 858-3494
SOUTH FLORIDA PUL,MONARY AND CRITICAL CARE
Allergy & Immunology
3181 CORAL WAY, 1ST FLOOR
CORAL GABLES, FL 33145
Miami-Dade County (305) 567-1999
WAYNE E. LIPSON M.D., P.A.
Specialist
3181 CORAL WAY, SUITE # 302
MIAMI, FL 33145
Miami-Dade County (305) 446-5718
MAS CARDIOLOGY GROUP INC
Internal Medicine (Cardiovascular Disease)
3181 CORAL WAY, 5TH FLOOR
MIAMI, FL 33145
Miami-Dade County (305) 858-3494
MAS REHABLILITATION SERVICES, INC.
Speech-Language Pathologist
3181 CORAL WAY, 5TH FLOOR
CORAL GABLES, FL 33145
Miami-Dade County (305) 858-3494

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 Maria Mas's NPI number?

The NPI number for Maria Mas is 1679558084. It was assigned to this individual provider in the NPPES registry on December 8, 2005.

Where is Maria Mas located?

Maria Mas practices at 3181 Coral Way 5th Floor, Coral Gables, FL 33145. The listed phone number is (305) 858-3494.

What is Maria Mas's specialty?

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

Is Maria Mas enrolled in Medicare?

Yes. Maria Mas is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Maria Mas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Mas reassigns Medicare benefits to 4 organizations: Mas Medical Group Inc (Miami, FL), Qmc LLC (Miami, FL), Florida Hospital Medicine Services, LLC. (Boca Raton, FL) and Cogent Healthcare Of Pensacola LLC (Naples, FL). Each 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 Maria Mas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Maria Mas accept?

Health plans from Ambetter Health, Ambetter of Alabama, Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and Oscar Health and 2 other insurers list Maria Mas 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 Maria Mas was last updated on August 16, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.