DR. ERNESTO AYALA MD
NPI 1336164342
Internal Medicine - Hematology in Jacksonville, FL

Active since July 12, 2006PECOS EnrolledAccepts Medicare Assignment
76.2/100
CMS Quality Rating
4500 SAN PABLO RD S, JACKSONVILLE, FL 32224(904) 953-2000 Get Directions Write a Review

NPPES record last updated: August 31, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 31, 2020, Mar 17, 2018, Feb 20, 2018 (3 updates tracked since 2018).

About Dr. Ernesto Ayala Md NPPES

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

DR. ERNESTO AYALA MD (NPI 1336164342) is an individual hematology provider in Jacksonville, Florida, licensed in Florida (ME91213) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic, and maintains a secondary practice location in Tampa.

NPPES Registry Identity

NPI1336164342
Entity TypeIndividualMale
Primary Taxonomy207RH0000X
Provider Legal NameDR. ERNESTO AYALACredential: MD
Location Address4500 SAN PABLO RD SJacksonville, FL 32224-1865
Mailing Address4500 San Pablo Rd SJacksonville, FL 32224-1865 · (904) 953-2150
Sole ProprietorNo
Medical School CMSOtherGraduated 1985
Enumeration DateJuly 12, 2006
Last NPPES UpdateAugust 31, 20203 updates tracked since enumeration
NPPES CertifiedAugust 31, 2020
NPI 1336164342 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · HematologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0000X
License Licensed in FL · ME91213
Definition
An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma.
Also ListedInternal MedicineTaxonomy 207R00000X · License ME91213 (FL)
Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X · License ME91213 (FL)
4500 SAN PABLO RD S, Jacksonville, FL 32224

Secondary Practice Location 1

Location 112902 Usf Magnolia Dr, MCC-FATampa, FL 33612-9416 · Phone (813) 745-2720 · Fax (813) 745-6855

Other Identifiers 3

Medicaid270719500FL
Other50006XFL · Medicare Ptan
Other50006FL · Blue Cross Blue Shield

Accepted Insurance

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 Ayala 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 ID8527029495
PECOS Enrollment IDI20041023000208
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 59

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.

Injection, pembrolizumab, 1 mg J9271
Pembrolizumab is a medication given via injection to help your body's immune system fight certain types of cancer. It's typically administered in a hospital or clinic by a healthcare professional.
12,800 services50 patients
Injection, filgrastim-aafi, biosimilar, (nivestym), 1 microgram Q5110
Filgrastim-aafi (Nivestym) is a biosimilar injection used to stimulate the growth of white blood cells, which help the body fight off infections. It's often given to patients with low white blood cell counts due to cancer treatments or other conditions.
9,900 services17 patients
Injection, fosaprepitant, 1 mg J1453
Fosaprepitant is an anti-nausea medication given via injection. It's often used to prevent nausea and vomiting caused by chemotherapy. This injection blocks signals to the brain that trigger these symptoms, helping you feel better.
9,150 services51 patients
Injection, nivolumab, 1 mg J9299
Nivolumab is a medication given via injection, often used in cancer treatment. It works by helping your immune system fight the cancer cells. The dosage is measured in milligrams (mg), with 1 mg being a common dose.
8,520 services18 patients
Injection, daratumumab, 10 mg and hyaluronidase-fihj J9144
Daratumumab and hyaluronidase-fihj is an injection administered to treat certain types of blood cancer. The medication works by targeting and killing specific cancer cells. It's often given under the skin to reduce side effects and improve patient comfort.
8,280 services32 patients
Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) Q0138
Ferumoxytol injection is a treatment for iron deficiency anemia, a condition where your body lacks enough iron. It is injected into your vein to increase iron levels, aiding in the production of healthy red blood cells. This treatment is not for ESRD patients.
6,630 services13 patients

Hospital Affiliations CMS Care Compare

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

Mayo Clinic

Acute Care Hospitals · Jacksonville, FL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100151
Location4500 San Pablo RdJacksonville, FL 32224 · Duval County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32224 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
$171.84 typical visit price
range $56.00 – $171.84
Typical copayment $42.96 (range $14.00 – $42.96)
Most-billed visit code 99205
Established Patient
$99.16 typical visit price
range $17.57 – $139.16
Typical copayment $24.79 (range $4.39 – $34.79)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

76.2/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality69.33
Promoting Interoperability100
Improvement Activities40
Cost51.32

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.

Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier11 claims810 services$0.28 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
2 suppliers14 claims14 services$18.82 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 20

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

Physician Assistant
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224
Internal Medicine (Gastroenterology)
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224
Orthopaedic Surgery
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224
Internal Medicine
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224
Hospitalist
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224
Nurse Anesthetist, Certified Registered
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224
Nurse Anesthetist, Certified Registered
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224
Physician Assistant
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224

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 Ayala's NPI number?

The NPI number for Ernesto Ayala is 1336164342. It was assigned to this individual provider in the NPPES registry on July 12, 2006.

Where is Ernesto Ayala located?

Ernesto Ayala practices at 4500 San Pablo Rd S, Jacksonville, FL 32224. The listed phone number is (904) 953-2000.

What is Ernesto Ayala's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.

Is Ernesto Ayala enrolled in Medicare?

Yes. Ernesto Ayala 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.

What insurance does Ernesto Ayala accept?

Health plans from Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Ernesto Ayala 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.

Is Ernesto Ayala affiliated with any hospitals?

According to CMS data, Ernesto Ayala is affiliated with Mayo Clinic.

When was this NPI record last updated?

The NPPES record for Ernesto Ayala was last updated on August 31, 2020. 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.