RITA WEISS M.D.,PH.D.
NPI 1578566089
Internal Medicine - Hematology & Oncology in Great Neck, NY

Q: What is Rita Weiss's NPI number?

The NPI number for Rita Weiss is 1578566089. It was assigned to this individual provider in the NPPES registry on May 31, 2005.

Q: What is Rita Weiss's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for Rita Weiss was last updated on April 21, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since May 31, 2005PECOS EnrolledAccepts Medicare Assignment

99.15/100

CMS Quality Rating

107 NORTHERN BLVD, STE 306, GREAT NECK, NY 11021(516) 482-0080(516) 482-8653 Get Directions Write a Review

NPPES record last updated: April 21, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 21, 2026, Apr 14, 2026 (2 updates tracked since 2026).

On this page

About Rita Weiss M.d.,ph.d. NPPES

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

RITA WEISS M.D.,PH.D. (NPI 1578566089) is an individual hematology & oncology provider in Great Neck, New York, licensed in Florida (ME176336) and active in the NPI registry since May 2005. She is enrolled in Medicare PECOS, is affiliated with St Francis Hospital - The Heart Center, and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1578566089

Entity TypeIndividualFemale

Primary Taxonomy207RH0003X

Provider Legal NameRITA WEISSCredential: M.D.,PH.D.

Location Address107 NORTHERN BLVD, STE 306Great Neck, NY 11021-4309

Mailing Address107 Northern Blvd, Ste 306Great Neck, NY 11021-4309 · (516) 482-0080 · Fax (516) 482-8653

Phone(516) 482-0080

Fax(516) 482-8653

Sole ProprietorNo

Medical School CMSOtherGraduated 1983

Enumeration DateMay 31, 2005

Last NPPES UpdateApril 21, 20262 updates tracked since enumeration

NPPES CertifiedApril 21, 2026

✔ NPI 1578566089 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in FL · ME176336

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Also ListedSpecialistTaxonomy 174400000X · License 140227 (NY)

107 NORTHERN BLVD, Great Neck, NY 11021

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Secondary Practice Locations 4

Location 11130 Hickory St Ste BMelbourne, FL 32901-1973 · Phone (321) 253-4673 · Fax (321) 253-4338

Location 2325 S Courtenay PkwyMerritt Island, FL 32952-4846 · Phone (321) 268-4200 · Fax (321) 268-1386

Location 38725 N Wickham Rd Ste 200Melbourne, FL 32940-2240 · Phone (321) 253-4673 · Fax (321) 253-4338

Location 41264 Malabar Rd SEPalm Bay, FL 32907-2556 · Phone (321) 434-8216 · Fax (321) 952-6179

Other Identifiers 2

Medicaid130879600FL

OtherXC433FL · Hfmg

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

Rita Weiss M.d.,ph.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 ID7012931686

PECOS Enrollment IDI20060123000192

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 48

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.

Flow cytometry technique for dna or cell analysis, each additional marker 88185

Flow cytometry is a technique that helps analyze the physical and chemical characteristics of cells or particles. When an additional marker is used, it aids in identifying specific cell types or stages of disease. This helps in precise diagnosis and treatment planning.

989 services35 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.

664 services261 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

652 services290 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.

650 services255 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

540 services233 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.

464 services181 patients

Injection, dexamethasone sodium phosphate, 1 mg J1100

Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.

324 services18 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

300 services68 patients

Phosphate level 84100

A phosphate level test measures the amount of phosphate in your blood. Phosphate is a chemical that contains the mineral phosphorus, crucial for energy production, muscle and nerve function, and bone growth. Imbalances may indicate kidney disease or other health issues.

287 services159 patients

Magnesium level 83735

A magnesium level test is a simple blood test that measures the amount of magnesium in your body. Magnesium is a crucial mineral that helps your nerves, muscles, and heart function properly. The test can help detect health conditions like kidney disease or malnutrition.

284 services160 patients

Lactate dehydrogenase (enzyme) level 83615

A Lactate Dehydrogenase level test measures the amount of this enzyme in your body. It's often done when tissue damage is suspected, as high levels can indicate issues like heart disease, lung disease, liver disease, or blood disorders. This test helps in diagnosing and monitoring these conditions.

283 services160 patients

Uric acid level, blood 84550

A blood uric acid level test measures the amount of uric acid in your blood. Uric acid is a waste product that your body produces when it breaks down purines, substances found in your body and in certain foods. High levels may lead to gout or kidney stones.

283 services158 patients

Ferritin (blood protein) level 82728

A Ferritin level test measures the amount of ferritin, a protein that stores iron, in your blood. It helps determine how much iron your body is storing. If levels are low, it may indicate iron deficiency, while high levels could signify conditions like iron overload.

220 services116 patients

Gammaglobulin (immune system protein) measurement 82784

Gammaglobulin measurement is a blood test that checks the levels of certain proteins (gammaglobulins) that the body uses to fight infections. High or low levels can indicate various health conditions. It's a simple, quick procedure with minimal discomfort.

205 services38 patients

Iron level 83540

An iron level test measures the amount of iron in your blood. Iron is crucial for producing hemoglobin, a protein in red blood cells that carries oxygen throughout your body. This test helps identify iron deficiencies or excesses, which can lead to conditions like anemia or hemochromatosis.

189 services108 patients

Iron binding capacity 83550

Iron binding capacity is a blood test that measures how well your body can bind and transport iron. This helps your healthcare provider assess if your body has too little or too much iron, which can indicate certain health conditions.

184 services105 patients

Blood test, clotting time 85610

A clotting time blood test helps determine how quickly your blood forms clots, a process crucial to stop bleeding. During the test, a small blood sample is taken from your arm. The sample is then analyzed in a lab to see how long it takes for a clot to form.

128 services23 patients

Carcinoembryonic antigen (cea) protein level 82378

Carcinoembryonic Antigen (CEA) protein level is a blood test often used in cancer care. It measures the amount of CEA protein in your blood, which can increase in cases of certain types of cancer. It's used to monitor treatment progress and check for cancer recurrence.

107 services67 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

92 services65 patients

Measurement of immunoglobulin light chains 83521

Measurement of immunoglobulin light chains is a blood test that helps to detect and monitor certain disorders related to your immune system. It measures the levels of specific proteins, known as light chains, produced by your immune cells.

64 services24 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

58 services57 patients

Immunologic analysis for detection of tumor antigen, quantitative; ca 15-3 86300

This is a blood test that measures the level of CA 15-3, a protein often higher in individuals with certain types of cancer. It helps monitor response to treatment and check for cancer recurrence. It's not a standalone diagnostic test but used alongside other evaluations.

56 services41 patients

Vitamin d-3 level 82306

A Vitamin D-3 level test measures the amount of Vitamin D-3, a crucial nutrient, in your body. This test helps identify if your levels are too low or too high. Low levels may lead to bone weakness, while high levels could harm your kidneys. It's a simple blood test.

54 services43 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.

50 services34 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

45 services26 patients

Protein measurement, serum 84165

A serum protein measurement is a blood test that determines the levels of proteins in your blood. It is used to evaluate your overall health, and diagnose nutritional problems, kidney disease, liver disease, or immune disorders.

44 services31 patients

Principal care management services for a single high-risk disease, first 30 minutes of clinical staff time directed by health care professional, per calendar month 99426

Principal care management services focus on managing a single high-risk disease. This involves a health care professional directing clinical staff for the first 30 minutes each month. The aim is to monitor your health, coordinate care, and provide necessary support for your disease management.

44 services11 patients

Cyanocobalamin (vitamin b-12) level 82607

A Cyanocobalamin (Vitamin B-12) level test is a blood test that checks the amount of Vitamin B-12 in your body. This vitamin is vital for nerve function and the creation of red blood cells. Low or high levels could indicate a potential health issue.

43 services36 patients

Flow cytometry technique for dna or cell analysis, first marker 88184

Flow cytometry is a technique used to examine microscopic particles, like cells or DNA. It employs a beam of light to detect and measure physical and chemical characteristics of these particles. The 'first marker' refers to a specific characteristic or feature used to identify a particular cell or particle.

43 services35 patients

Blood test, thyroid stimulating hormone (tsh) 84443

A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.

41 services34 patients

Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less 96367

This procedure involves injecting fluids or medication directly into your vein. It's used for treatment, prevention, or diagnosis. An additional sequential infusion may be given within an hour if needed. This helps to ensure the medicine is distributed effectively in your body.

41 services18 patients

Immunologic analysis technique on serum (immunofixation) 86334

Immunofixation is a lab test that helps identify proteins called immunoglobulins in your blood serum. These proteins are part of your immune system. Changes in their levels can indicate certain diseases. The test is simple and only requires a blood sample.

40 services29 patients

Psa (prostate specific antigen) measurement, total 84153

PSA measurement is a simple blood test that checks for a specific protein produced by your body. High levels could indicate a health issue that needs further investigation. It's often used to monitor general wellness and is part of routine health screening.

38 services28 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.

35 services25 patients

Red blood count, manual test 85044

A Red Blood Count (RBC) manual test is a lab procedure that measures the number of red blood cells in your blood. These cells carry oxygen throughout your body. The test helps identify conditions like anemia or dehydration. It's a simple, quick, and safe procedure.

34 services28 patients

Injection of additional new drug or substance into vein 96375

This procedure involves introducing a new medication or substance into your bloodstream via a vein. It's typically done using a small needle. The substance can help treat various conditions or assist in diagnostic procedures. It's generally safe and monitored by professionals.

33 services17 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.

33 services18 patients

Folic acid level, serum 82746

A Folic Acid Level, Serum test measures the amount of folic acid, a type of B vitamin, in your blood. This vitamin is important for cell growth and development. It's crucial for your body to function well. If your levels are low, it may indicate a deficiency, which can lead to health issues.

32 services28 patients

Injection, diphenhydramine hcl, up to 50 mg J1200

Diphenhydramine HCL injection is a medicine given to alleviate symptoms of allergies, colds, or hay fever. It can also help with motion sickness and certain symptoms of Parkinson's disease. Up to 50 mg may be administered depending on your condition.

21 services14 patients

Beta-2 microglobulin (protein) level 82232

The Beta-2 microglobulin level test measures the amount of this protein in your blood. It's often used to check kidney function or monitor certain cancers. High levels may indicate a health issue. The test involves a simple blood draw.

18 services16 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.

17 services14 patients

Coagulation function measurement, d-dimer; quantitative 85379

A quantitative D-dimer test measures the amount of D-dimer, a protein fragment, in your blood. This test helps detect abnormal blood clotting. D-dimer levels can rise in conditions where clots are forming and breaking down, such as deep vein thrombosis or pulmonary embolism.

16 services12 patients

Acute hepatitis panel 80074

An acute hepatitis panel is a set of blood tests that checks for specific markers in your blood that indicate a recent infection with a type of hepatitis virus. It helps determine which type of hepatitis you may have to guide appropriate treatment.

15 services12 patients

Ige (immune system protein) level 82785

The IgE level test measures the amount of immunoglobulin E, a type of antibody, in your blood. It's used to help diagnose allergies or asthma. A high IgE level can indicate an allergic reaction or immune system disorder. It's a simple blood test.

13 services11 patients

Haptoglobin (serum protein) level 83010

The Haptoglobin level test measures the amount of haptoglobin, a protein made by the liver, in your blood. This test is often used to check for conditions that cause the breakdown of red blood cells. Lower levels may indicate hemolytic anemia, while higher levels can suggest inflammation.

13 services11 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

13 services13 patients

Testosterone (hormone) level, total 84403

A total testosterone level test measures the amount of a key hormone in your body. This hormone influences various body functions such as muscle mass, energy levels, and mood. The test involves a simple blood draw, and results help monitor health conditions.

12 services11 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

12 services12 patients

Hospital Affiliations CMS Care Compare

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

St Francis Hospital - The Heart Center

Acute Care Hospitals · Roslyn, NY

5/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number330182

Location100 Port Washington BoulevardRoslyn, NY 11576 · Nassau County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11021 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

$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.

99.15/100

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

Scored as part of a group practice

Promoting Interoperability

Improvement Activities

Reported Quality Measures

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

100%23 patients5/55-star benchmark: 100%

Health Information Exchange

The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…

1%124 patients1/55-star benchmark: 96%

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

100%20 patients5/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.

2%171 patients1/55-star benchmark: 99%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

2%171 patients1/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 18

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

DR. DEMETRIOS HALIKIOPOULOS D.O.

Ophthalmology

107 NORTHERN BLVD, SUITE 205
GREAT NECK, NY 11021

Nassau County (516) 466-4670

DR. IDA ASHLEY M.D.

Specialist

107 NORTHERN BLVD, SUITE 306
GREAT NECK, NY 11021

Nassau County (516) 482-0080

MS. TERI A MESSINA LCSWR

Social Worker (Clinical)

107 NORTHERN BLVD, 202
GREAT NECK, NY 11021

Nassau County (516) 674-3774

MARINA MILMAN MD

Pediatrics

107 NORTHERN BLVD
GREAT NECK, NY 11021

Nassau County (516) 487-6565

JACOB M GRIJNSZTEIN MD

Pediatrics

107 NORTHERN BLVD
GREAT NECK, NY 11021

Nassau County (516) 487-6565

DR. GLORIA BOMS AUD

Audiologist

107 NORTHERN BLVD, SUITE 309
GREAT NECK, NY 11021

Nassau County (516) 466-4299

MARVIN RESMOVITS MD

Pediatrics

107 NORTHERN BLVD
GREAT NECK, NY 11021

Nassau County (516) 487-6565

DR. LLOYD K ELKOWITZ DDS

Dentist

107 NORTHERN BLVD
GREAT NECK, NY 11021

Nassau County (516) 829-3310

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 Rita Weiss's NPI number?

The NPI number for Rita Weiss is 1578566089. It was assigned to this individual provider in the NPPES registry on May 31, 2005.

Where is Rita Weiss located?

Rita Weiss practices at 107 Northern Blvd Ste 306, Great Neck, NY 11021. The listed phone number is (516) 482-0080.

What is Rita Weiss's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Rita Weiss enrolled in Medicare?

Yes. Rita Weiss 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 Rita Weiss affiliated with any hospitals?

According to CMS data, Rita Weiss is affiliated with St Francis Hospital - The Heart Center.

When was this NPI record last updated?

The NPPES record for Rita Weiss was last updated on April 21, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.