RACHELLE BITTON MD
NPI 1770538548
Internal Medicine - Endocrinology, Diabetes & Metabolism in Lake Success, NY

Q: What is Rachelle Bitton's NPI number?

The NPI number for Rachelle Bitton is 1770538548. It was assigned to this individual provider in the NPPES registry on May 23, 2006.

Q: What is Rachelle Bitton's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Q: When was this NPI record last updated?

The NPPES record for Rachelle Bitton was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.

Active since May 23, 2006PECOS EnrolledAccepts Medicare Assignment

84.14/100

CMS Quality Rating

2800 MARCUS AVE, LAKE SUCCESS, NY 11042(516) 390-5760(516) 354-0926 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Rachelle Bitton Md NPPES

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

RACHELLE BITTON MD (NPI 1770538548) is an individual endocrinology, diabetes & metabolism provider in Lake Success, New York, licensed in New York (147388) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and is a graduate of State University Of New York Downstate Medical Center (1978).

NPPES Registry Identity

NPI1770538548

Entity TypeIndividualFemale

Primary Taxonomy207RE0101X

Provider Legal NameRACHELLE BITTONCredential: MD

Location Address2800 MARCUS AVELake Success, NY 11042-1008

Mailing Address2800 Marcus AveLake Success, NY 11042-1008 · (516) 390-5760 · Fax (516) 354-0926

Phone(516) 390-5760

Fax(516) 354-0926

Sole ProprietorNo

Medical School CMSState University Of New York Downstate Medical CenterGraduated 1978

Enumeration DateMay 23, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1770538548 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in NY · 147388

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

2800 MARCUS AVE, Lake Success, NY 11042

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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

Rachelle Bitton 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 ID8921149493

PECOS Enrollment IDI20100106000071

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

Optum Medical Care, P.C.

30 mi

Cardiovascular Disease

90 SOUTH BEDFORD RD, MT KISCO MEDICAL GROUP PC
Mount Kisco, NY 10549

Reassigned Medicare billing, New York enrollment
Medicare enrollment name: Optum Medical Care PC
1,601 clinicians in this Medicare group

NPI 1982643003 (914) 241-1050

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 21

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, 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.

11,940 services114 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.

758 services514 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.

275 services199 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.

208 services117 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.

191 services144 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.

179 services143 patients

Thyroxine (thyroid chemical), free 84439

The Thyroxine (thyroid chemical), free test is a blood test that measures the level of free T4 in your body. T4 is a hormone produced by your thyroid gland and is essential for growth and metabolism. If your T4 levels are too high or too low, it could indicate a thyroid disorder.

171 services127 patients

Dxa bone density measurement of hip, pelvis, spine including spine fracture assessment 77085

A DXA bone density measurement is a non-invasive scan that helps assess the strength of your bones, specifically in the hip, pelvis, and spine areas. It can detect early signs of osteoporosis and evaluate fracture risk. This test uses low-dose X-rays for accurate results.

152 services152 patients

Parathormone (parathyroid hormone) level 83970

The Parathormone level test measures the amount of parathyroid hormone in your blood. This hormone controls calcium and phosphorus levels in the body, which are vital for bone health. Abnormal levels may indicate issues like kidney disease or parathyroid gland disorders.

105 services92 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.

93 services89 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.

76 services65 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.

65 services59 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.

60 services50 patients

Dxa bone density measurement of forearm, finger, hand, or foot 77081

A DXA bone density measurement of the forearm, finger, hand, or foot is a non-invasive procedure that uses X-rays to measure the amount of calcium and other minerals in your bones. This test helps to assess the strength of your bones and your risk of fractures.

55 services55 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.

37 services36 patients

Thyroid hormone, t3 measurement, free 84481

The T3 measurement, free, is a blood test that checks the level of a hormone called triiodothyronine. This hormone is produced by your thyroid, a small gland in your neck. It plays a key role in regulating your body's metabolism and energy use.

35 services18 patients

Blood test, lipids (cholesterol and triglycerides) 80061

A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.

25 services23 patients

Urine microalbumin (protein) level 82043

The urine microalbumin level test measures the amount of a protein called albumin in your urine. This test helps to detect early signs of kidney damage. High levels of albumin may suggest your kidneys aren't functioning properly. It's a simple, non-invasive test that involves providing a urine sample.

25 services20 patients

Creatinine level to test for kidney function or muscle injury 82570

A creatinine level test measures the amount of creatinine in your blood. This substance is a waste product from normal muscle use. Higher levels can indicate possible kidney dysfunction or muscle injury. This test helps monitor kidney health.

25 services20 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.

25 services22 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.

14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11042 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.

84.14/100

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

Scored as part of a group practice

Quality

78.11

Promoting Interoperability

100

Improvement Activities

Cost

69.05

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

26 suppliers80 claims175 services$6.38 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

13 suppliers29 claims47 services$1.15 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

8 suppliers83 claims83 services$191.80 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.

MRS. LISA VITUCCI LCSW-R

Social Worker (Clinical)

2800 MARCUS AVE, SUITE 205
NEW HYDE PARK, NY 11042

Nassau County (516) 622-6000

DENNIS WILLIAM TREUBIG D.P.T.

Physical Therapist

2800 MARCUS AVE
NEW HYDE PARK, NY 11042

Nassau County (516) 622-6161

GISELE WOLF-KLEIN MD

Internal Medicine (Geriatric Medicine)

2800 MARCUS AVE, SUITE 200
NEW HYDE PARK, NY 11042

Nassau County (516) 708-2522

KENNETH ANTHONY SCIOSCIA MD

Otolaryngology

2800 MARCUS AVE
NEW HYDE PARK, NY 11042

Nassau County (516) 622-3377

ALLEN J WIESENFELD MD

Radiology (Vascular & Interventional Radiology)

2800 MARCUS AVE
LAKE SUCCESS, NY 11042

Nassau County (516) 622-6100

DR. BARRY COHEN M.D.

Anesthesiology

2800 MARCUS AVE
NEW HYDE PARK, NY 11042

Nassau County (516) 622-6000

DR. SHAMALA GANDHI M.D.

Anesthesiology

2800 MARCUS AVE
NEW HYDE PARK, NY 11042

Nassau County (516) 622-6000

HOWARD GUZIK MD

Internal Medicine (Geriatric Medicine)

2800 MARCUS AVE
NEW HYDE PARK, NY 11042

Nassau County (516) 708-2520

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 Rachelle Bitton's NPI number?

The NPI number for Rachelle Bitton is 1770538548. It was assigned to this individual provider in the NPPES registry on May 23, 2006.

Where is Rachelle Bitton located?

Rachelle Bitton practices at 2800 Marcus Ave, Lake Success, NY 11042. The listed phone number is (516) 390-5760.

What is Rachelle Bitton's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Rachelle Bitton enrolled in Medicare?

Yes. Rachelle Bitton 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 Rachelle Bitton's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rachelle Bitton reassigns Medicare benefits to Optum Medical Care, P.C. (Mount Kisco, NY). 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 Rachelle Bitton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Rachelle Bitton was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.