LUIZ MARACAJA M.D.
NPI 1083993224
Anesthesiology in New Haven, CT

Active since August 05, 2011PECOS EnrolledAccepts Medicare Assignment
20 YORK ST, NEW HAVEN, CT 06510(203) 785-2802(203) 785-6664 Get Directions Write a Review

NPPES record last updated: June 23, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 23, 2020, Mar 28, 2018 (2 updates tracked since 2018).

About Luiz Maracaja M.d. NPPES

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

LUIZ MARACAJA M.D. (NPI 1083993224) is an individual anesthesiology provider in New Haven, Connecticut, licensed in Connecticut (051620) and active in the NPI registry since August 2011. He is enrolled in Medicare PECOS, is affiliated with Duke University Hospital, and is a graduate of Other (2001).

NPPES Registry Identity

NPI1083993224
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameLUIZ MARACAJACredential: M.D.
Location Address20 YORK STNew Haven, CT 06510-3220
Mailing Address333 Cedar Street, Tmp 3New Haven, CT 06512 · (203) 785-2802 · Fax (203) 785-6664
Fax(203) 785-6664
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateAugust 5, 2011
Last NPPES UpdateJune 23, 20202 updates tracked since enumeration
NPPES CertifiedJune 23, 2020
✔ NPI 1083993224 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in CT · 051620✔ Licensed in TX · Q0751
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
20 YORK ST, New Haven, CT 06510

Other Names 1

Professional Name (2)Luiz Ferreira Maracaja Neto Md

Other Identifiers 3

OtherQ0751TX · Texas State License
Medicaid340890801TX
Other051620CT · Connecticut State License

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Luiz Maracaja 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 ID6800014036
PECOS Enrollment IDI20200630003670
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 Reassignment

Medicare enrollment records show Luiz Maracaja reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Foot and Ankle Surgery
2609 N DUKE ST STE 301
Durham, NC 27704
  • Reassigned Medicare billing, North Carolina enrollment
  • 3,671 clinicians in this Medicare group

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 13

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.

Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
80 services77 patients
Ultrasound of heart with probe in esophagus, with report 93312
This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.
36 services36 patients
Ultrasound of heart blood flow, valves and chambers, follow-up 93321
This procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.
36 services36 patients
Ultrasound of heart with color-depicted blood flow, rate and valve function 93325
An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.
36 services36 patients
Anesthesia for procedure to assess heart electrical activity 00537
Anesthesia for a procedure to assess heart electrical activity helps ensure comfort and relaxation. It involves administering medication that either numbs a specific area or makes you sleep temporarily. This allows doctors to safely examine your heart's electrical signals without causing discomfort.
34 services34 patients
Anesthesia for procedure to correct abnormal heart rhythm 00410
Anesthesia for a procedure to correct abnormal heart rhythm ensures you won't feel pain during the treatment. It can be general, where you're completely asleep, or local, numbing only a specific area. Your vital signs are monitored to ensure safety during the procedure.
28 services27 patients

Hospital Affiliations CMS Care Compare

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

Duke University Hospital

Acute Care Hospitals · Durham, NC
5/5 CMS rating
OwnershipProprietary
CMS Certification Number340030
Location2100 Erwin RdDurham, NC 27705 · Durham County
Emergency services Birthing friendly

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.

Nurse Practitioner (Family)
20 YORK ST
NEW HAVEN, CT 06510
Pediatrics (Neonatal-Perinatal Medicine)
20 YORK ST, DEPT OF NEONATOLOGY
NEW HAVEN, CT 06510
Durable Medical Equipment & Medical Supplies (Customized Equipment)
20 YORK ST
NEW HAVEN, CT 06510
Dietitian, Registered
20 YORK ST, FOOD AND NUTRITION EPB806
NEW HAVEN, CT 06510
Hospitalist
20 YORK ST
NEW HAVEN, CT 06510
Internal Medicine (Nephrology)
20 YORK ST
NEW HAVEN, CT 06510
Obstetrics & Gynecology
20 YORK ST
NEW HAVEN, CT 06510
Social Worker (Clinical)
20 YORK ST, SOCIAL WORK EP10-635
NEW HAVEN, CT 06510

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 Luiz Maracaja's NPI number?

The NPI number for Luiz Maracaja is 1083993224. It was assigned to this individual provider in the NPPES registry on August 5, 2011. The provider is also known as Luiz Ferreira Maracaja Neto MD.

Where is Luiz Maracaja located?

Luiz Maracaja practices at 20 York St, New Haven, CT 06510. The listed phone number is (203) 785-2802.

What is Luiz Maracaja's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Luiz Maracaja enrolled in Medicare?

Yes. Luiz Maracaja 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.

Which organization bills Medicare for Luiz Maracaja's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Luiz Maracaja reassigns Medicare benefits to Duke Health Integrated Practice, Inc (Durham, NC). The 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 Luiz Maracaja's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Luiz Maracaja accept?

Health plans from Cigna Healthcare list Luiz Maracaja 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 Luiz Maracaja affiliated with any hospitals?

According to CMS data, Luiz Maracaja is affiliated with Duke University Hospital.

When was this NPI record last updated?

The NPPES record for Luiz Maracaja was last updated on June 23, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.