LUIZIANA MANUELA MARINESCU M.D.
NPI 1790978096
Internal Medicine - Rheumatology in Smithtown, NY

Q: What is Luiziana Marinescu's NPI number?

The NPI number for Luiziana Marinescu is 1790978096. It was assigned to this individual provider in the NPPES registry on August 21, 2007. The provider is also known as Dr. Luiziana M Gegiu M.D..

Q: What is Luiziana Marinescu's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Active since August 21, 2007PECOS EnrolledAccepts Medicare Assignment

75/100

CMS Quality Rating

315 MIDDLE COUNTRY RD, SMITHTOWN, NY 11787(631) 656-7161(631) 360-1546 Get Directions Write a Review

NPPES record last updated: September 30, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 30, 2024, Dec 8, 2020 (2 updates tracked since 2020).

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About Luiziana Manuela Marinescu M.d. NPPES

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

LUIZIANA MANUELA MARINESCU M.D. (NPI 1790978096) is an individual rheumatology provider in Smithtown, New York, licensed in New York (245731) and active in the NPI registry since August 2007. She is enrolled in Medicare PECOS, is affiliated with Suny/stony Brook University Hospital, and is a graduate of Other (1997).

NPPES Registry Identity

NPI1790978096

Entity TypeIndividualFemale

Primary Taxonomy207RR0500X

Provider Legal NameLUIZIANA MANUELA MARINESCUCredential: M.D.

Location Address315 MIDDLE COUNTRY RDSmithtown, NY 11787-2869

Mailing Address315 Middle Country RdSmithtown, NY 11787-2869 · (631) 656-7161 · Fax (631) 360-1546

Phone(631) 656-7161

Fax(631) 360-1546

Sole ProprietorNo

Medical School CMSOtherGraduated 1997

Enumeration DateAugust 21, 2007

Last NPPES UpdateSeptember 30, 20242 updates tracked since enumeration

NPPES CertifiedSeptember 30, 2024

✔ NPI 1790978096 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

License✔ Licensed in NY · 245731

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

315 MIDDLE COUNTRY RD, Smithtown, NY 11787

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Other Names 1

Former Name (1)Dr. Luiziana M Gegiu M.d.

Other Identifiers 1

Medicaid03103880NY

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

Luiziana Manuela Marinescu 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 ID345338612

PECOS Enrollment IDI20071120000446

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 Luiziana Marinescu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Rheumatology Associates Of L.I., LLP

0.2 mi

Specialist

315 MIDDLE COUNTRY RD
Smithtown, NY 11787

Reassigned Medicare billing, New York enrollment
Medicare enrollment name: Rheumatology Associates Of Li LLP
13 clinicians in this Medicare group

NPI 1689660573 (631) 360-7778

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 29

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, tocilizumab, 1 mg J3262

Tocilizumab is a medication administered via injection. It's used to treat certain conditions like rheumatoid arthritis by reducing inflammation in the body. It works by blocking a substance in the body that leads to inflammation.

45,957 services35 patients

Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) J0717

Certolizumab pegol is a medication injected under a doctor's supervision. It's used to treat certain inflammatory conditions like rheumatoid arthritis. The injection helps reduce symptoms like pain and swelling. Note that this drug isn't for self-administration.

33,200 services16 patients

Injection, romosozumab-aqqg, 1 mg J3111

Romosozumab-aqqg is a medication given by injection to treat osteoporosis in patients at high risk for fractures. It works by increasing bone mass and strength, reducing the risk of fractures.

22,051 services14 patients

Injection, golimumab, 1 mg, for intravenous use J1602

Golimumab is a medication given through an IV (a small tube in your vein). It helps to reduce inflammation and pain by blocking a protein in your body that causes inflammation. It's often used to treat conditions like rheumatoid arthritis, psoriatic arthritis, and ankylosing spondylitis.

16,004 services53 patients

Injection, denosumab, 1 mg J0897

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

13,560 services139 patients

Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) J0129

Abatacept is a medication administered via injection under a doctor's supervision. It's used to treat conditions like rheumatoid arthritis by moderating the immune system. This code applies when the doctor administers the drug, not for self-administration.

13,551 services69 patients

Hyaluronan or derivative, hymovis, for intra-articular injection, 1 mg J7322

Hymovis is a treatment involving the injection of a substance called hyaluronan into a joint. This substance, naturally found in the body, helps lubricate and cushion your joints. The treatment can help reduce joint pain and improve mobility.

4,008 services42 patients

Injection, infliximab, excludes biosimilar, 10 mg J1745

Infliximab is a medication given via injection to treat certain autoimmune conditions. It works by blocking the action of a substance in your body that causes inflammation. Each dose is based on your medical condition and response to treatment.

3,740 services33 patients

Injection, belimumab, 10 mg J0490

Belimumab injection is a medication used to treat lupus, an autoimmune disease. It works by limiting the activity of specific cells in your immune system that can cause lupus symptoms. This injection is administered under medical supervision.

3,526 services15 patients

Injection, rituximab, 10 mg J9312

Rituximab is a medication given via injection. It's used to treat certain types of cancer and autoimmune diseases. The 10 mg dosage refers to the amount of the drug in the injection. It works by targeting and destroying specific cells, helping your body's immune system.

3,250 services23 patients

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.

1,354 services565 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.

876 services528 patients

Infusion, normal saline solution, 250 cc J7050

An infusion of normal saline solution, 250 cc, involves administering a sterile saltwater solution into your body through a vein, usually in your arm. This helps to replenish fluids, maintain hydration, and balance electrolytes in your body.

528 services225 patients

Administration of chemotherapy into vein, 1 hour or less 96413

Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.

518 services222 patients

Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 96401

This procedure involves giving anti-cancer drugs, which don't contain hormones, into the muscle or under the skin. These drugs help to stop the growth of cancer cells. The process is usually quick and done by a healthcare professional.

392 services154 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

331 services57 patients

Administration of chemotherapy into vein, each additional hour 96415

Chemotherapy is a treatment method that uses drugs to destroy cancer cells. The drugs are administered into a vein, usually in the arm. Each additional hour of chemotherapy allows for more of the medication to enter your bloodstream to fight against the cancer cells.

267 services56 patients

Injection, zoledronic acid, 1 mg J3489

Zoledronic acid is a medication given via injection to strengthen bones. It's often used in patients with osteoporosis or certain types of cancer. The injection helps reduce the risk of fractures and other bone complications.

155 services31 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

154 services76 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.

122 services97 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.

120 services26 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.

104 services104 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

61 services54 patients

Red blood cell sedimentation rate, to detect inflammation, non-automated 85651

The Red Blood Cell Sedimentation Rate test measures how quickly red blood cells settle at the bottom of a test tube. If they settle faster than normal, it may indicate inflammation in the body. This test is non-automated, meaning it's manually performed by a lab technician.

56 services50 patients

Dxa bone density measurement of hip, pelvis, spine 77080

A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.

53 services53 patients

Injection of drug or substance into vein 96374

This procedure involves introducing a medication or substance directly into your vein using a syringe. It's a quick and efficient way to deliver treatment throughout your body. You might feel a small prick when the needle enters. It's generally safe and effective.

50 services28 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

43 services35 patients

X-ray of hand, minimum of 3 views 73130

An X-ray of the hand, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones in your hand from different angles. This helps in diagnosing fractures, infections, arthritis, or other abnormalities. It's quick and painless.

26 services13 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

12 services12 patients

Hospital Affiliations CMS Care Compare

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

Suny/Stony Brook University Hospital

Acute Care Hospitals · Stony Brook, NY

4/5 CMS rating

OwnershipGovernment - State

CMS Certification Number330393

LocationHealth Sciences Center SunyStony Brook, NY 11794 · Suffolk County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11787 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

$154.28 typical visit price

range $67.40 – $203.53

Typical copayment $38.57 (range $16.85 – $50.88)

Most-billed visit code 99204

Established Patient

$117.62 typical visit price

range $21.66 – $164.45

Typical copayment $29.40 (range $5.41 – $41.11)

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.

75/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Other Providers at the Same Location NPPES 6

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

PETER M RUMORE M.D.

Internal Medicine (Rheumatology)