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DR. HAROLD ALBERTO FERNANDEZ M.D.
NPI 1720196546
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Stony Brook, NY

Active since August 29, 2006PECOS EnrolledAccepts Medicare Assignment
91.25/100
CMS Quality Rating
100 NICOLLS RD, HSC L19-080, STONY BROOK, NY 11794(631) 444-1820(631) 444-8963 Get Directions Write a Review

NPPES record last updated: October 12, 2012. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Harold Alberto Fernandez M.d. NPPES

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

DR. HAROLD ALBERTO FERNANDEZ M.D. (NPI 1720196546) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Stony Brook, New York, licensed in New York (197070) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Ns/lij Hs Southside Hospital, and is a graduate of Harvard Medical School (1993).

NPPES Registry Identity

NPI1720196546
Entity TypeIndividualMale
Primary Taxonomy208G00000X
Provider Legal NameDR. HAROLD ALBERTO FERNANDEZCredential: M.D.
Location Address100 NICOLLS RD, HSC L19-080Stony Brook, NY 11794-8191
Mailing Address100 Nicolls Rd, Hsc L19-080Stony Brook, NY 11794-8191 · (631) 444-1820 · Fax (631) 444-8963
Phone(631) 444-1820
Fax(631) 444-8963
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 1993
Enumeration DateAugust 29, 2006
Last NPPES UpdateOctober 12, 2012
✔ NPI 1720196546 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians
Taxonomy Code208G00000X
License✔ Licensed in NY · 197070
Definition
A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.
100 NICOLLS RD, Stony Brook, NY 11794
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Other Identifiers 3

Medicare UPINH37639NY
Medicare ID-Type Unspecified5023E1NY
Medicaid02176396NY

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. Harold Alberto Fernandez M.d. 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 ID840472106
PECOS Enrollment IDI20110308000175
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.

Coronary artery bypass using artery graft, 1 graft 33533
A coronary artery bypass with one artery graft is a surgical procedure to improve blood flow to your heart. An artery from another part of your body is used to bypass a blocked or narrowed coronary artery. This can help reduce chest pain and risk of heart attack.
44 services44 patients
Harvest of vein using an endoscope 33508
Harvesting a vein using an endoscope is a procedure where a small camera is used to help surgeons remove a vein from your body. This vein is often used to bypass a blocked artery, improving blood flow to your heart.
43 services43 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.
31 services26 patients
Coronary artery bypass using vein or artery graft, 2 grafts 33518
A coronary artery bypass with 2 grafts is a surgery to improve blood flow to your heart. A surgeon takes a healthy vein or artery from your body and attaches it to the blocked coronary artery. This creates a new path for blood to flow, bypassing the blockage.
28 services28 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.
25 services25 patients
Replacement of aortic valve through the skin and femoral artery 33361
This procedure, known as Transcatheter Aortic Valve Replacement (TAVR), involves replacing a damaged aortic valve through a small incision in the leg. A catheter is inserted into the femoral artery and guided up to the heart. The new valve is then positioned and deployed, restoring normal blood flow.
14 services14 patients

Hospital Affiliations CMS Care Compare

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

Ns/Lij Hs Southside Hospital

Acute Care Hospitals · Bay Shore, NY
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330043
Location301 East Main StreetBay Shore, NY 11706 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11794 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
$203.53 typical visit price
range $67.40 – $203.53
Typical copayment $50.88 (range $16.85 – $50.88)
Most-billed visit code 99205
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
Most-billed visit code 99213
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.

91.25/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality74.92
Promoting Interoperability91.67
Improvement Activities40

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.

MALWINA WLOCH M.D.
Anesthesiology
100 NICOLLS RD, SUNY AT STONY BROOK - DEPARTMENT OF ANESTHESIOLOGY
STONY BROOK, NY 11794
Suffolk County (631) 444-2968
CHABIDOU SAMPAIN FNP
Psychiatry & Neurology (Geriatric Psychiatry)
100 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (631) 358-1423
MISS KAITLYN SBROLLINI
Student in an Organized Health Care Education/Training Program
100 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (631) 331-6388
DR. RASAN KASHYAP CHERALA MD
Internal Medicine
100 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (425) 753-8665
EMILY GRACE DEEHAN
Specialist/Technologist (Athletic Trainer)
100 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (631) 632-6000
DR. MUHAMMAD IBRAHIM CHOUDRY MD
Anesthesiology
100 NICOLLS RD, HEALTH SCIENCES CENTER L4-060 (Z8480)
STONY BROOK, NY 11794
Suffolk County (631) 444-2975
DR. KEITH THOMAS DIAZ M.D.
Internal Medicine
100 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (631) 444-2754
DR. JOSEPH CABALLERO M.D.
Anesthesiology
100 NICOLLS RD, DEPT OF ANESTHESIOLOGY HEALTH SCIENCES CENTER L4 #060
STONY BROOK, NY 11794
Suffolk County (631) 444-2975

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 Harold Fernandez's NPI number?

The NPI number for Harold Fernandez is 1720196546. It was assigned to this individual provider in the NPPES registry on August 29, 2006.

Where is Harold Fernandez located?

Harold Fernandez practices at 100 Nicolls Rd Hsc L19-080, Stony Brook, NY 11794. The listed phone number is (631) 444-1820.

What is Harold Fernandez's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Is Harold Fernandez enrolled in Medicare?

Yes. Harold Fernandez 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 Harold Fernandez affiliated with any hospitals?

According to CMS data, Harold Fernandez is affiliated with Ns/Lij Hs Southside Hospital.

When was this NPI record last updated?

The NPPES record for Harold Fernandez was last updated on October 12, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.