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DR. ERNESTO R DIAZ MD
NPI 1376598623
Family Medicine in Stuart, FL

Active since May 24, 2006PECOS EnrolledAccepts Medicare Assignment
973 SE FEDERAL HWY STE 973B, STUART, FL 34994(772) 288-5897 Get Directions Write a Review

NPPES record last updated: February 24, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 13, 2023, Dec 6, 2021, Sep 24, 2020 and 1 more (4 updates tracked since 2019).

About Dr. Ernesto R Diaz Md NPPES

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

DR. ERNESTO R DIAZ MD (NPI 1376598623) is an individual family medicine provider in Stuart, Florida, licensed in Florida (ME 90000) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Cleveland Clinic Martin North Hospital, and is a graduate of Other (1988).

NPPES Registry Identity

NPI1376598623
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. ERNESTO R DIAZCredential: MD
Location Address973 SE FEDERAL HWY STE 973BStuart, FL 34994-3702
Mailing Address6101 Blue Lagoon Dr Ste 400Miami, FL 33126-2051 · (305) 500-2000
Phone(772) 288-5897
Sole ProprietorNo
Medical School CMSOtherGraduated 1988
Enumeration DateMay 24, 2006
Last NPPES UpdateFebruary 24, 20264 updates tracked since enumeration
NPPES CertifiedFebruary 24, 2026
✔ NPI 1376598623 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in FL · ME 90000
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
973 SE FEDERAL HWY STE 973B, Stuart, FL 34994
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ernesto R Diaz Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7113971037
PECOS Enrollment IDI20050407000597
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.

Areas of Expertise CMS Part B claims 7

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.
207 services116 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
108 services76 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.
90 services90 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.
73 services57 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
20 services20 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
19 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Cleveland Clinic Martin North Hospital

Acute Care Hospitals · Stuart, FL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100044
Location200 SE Hospital AveStuart, FL 34994 · Martin County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 34994 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
$91.69 typical visit price
range $58.56 – $179.05
Typical copayment $22.92 (range $14.64 – $44.76)
Most-billed visit code 99203
Established Patient
$103.21 typical visit price
range $18.44 – $144.68
Typical copayment $25.80 (range $4.61 – $36.17)
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 2

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

Collagen dressing, sterile, size 16 sq. in. or less, each A6021
DME-Medical/Surgical Supplies · category DA023N
1 supplier174 claims14,888 services$19.22 avg. paid by Medicare
Hydrocolloid dressing, wound cover, sterile, pad size more than 16 sq. in. but less than or equal to 48 sq. in., with any size adhesive border, each dressing A6238
DME-Medical/Surgical Supplies · category DA023N
1 supplier320 claims27,810 services$20.72 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 4

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

DR. KELSEY ELIZABETH GALLAGHER DO
Family Medicine
973 SE FEDERAL HWY STE 973B
STUART, FL 34994
Martin County (772) 283-2086
MR. GARY S KABINOFF M.D.
Internal Medicine
973 SE FEDERAL HWY STE 973B
STUART, FL 34994
Martin County (772) 283-2086
MARY ELIZABETH CALLAHAN P.A.
Physician Assistant (Medical)
973 SE FEDERAL HWY STE 973B
STUART, FL 34994
Martin County (772) 288-5897
CONVIVA MEDICAL CENTER MANAGEMENT LLC
Internal Medicine
973 SE FEDERAL HWY STE 973B
STUART, FL 34994
Martin County (772) 261-9130

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 Ernesto Diaz's NPI number?

The NPI number for Ernesto Diaz is 1376598623. It was assigned to this individual provider in the NPPES registry on May 24, 2006.

Where is Ernesto Diaz located?

Ernesto Diaz practices at 973 SE Federal Hwy Ste 973B, Stuart, FL 34994. The listed phone number is (772) 288-5897.

What is Ernesto Diaz's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Ernesto Diaz enrolled in Medicare?

Yes. Ernesto Diaz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Ernesto Diaz affiliated with any hospitals?

According to CMS data, Ernesto Diaz is affiliated with Cleveland Clinic Martin North Hospital.

When was this NPI record last updated?

The NPPES record for Ernesto Diaz was last updated on February 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.