LEON ABRAMOVICH NITKIN MD
NPI 1811017916
Obstetrics & Gynecology in Brooklyn, NY

NPI Status: Active since March 30, 2007

Contact Information

1120 BRIGHTON BEACH AVE
BROOKLYN, NY
ZIP 11235
Phone: (718) 646-8808
Fax: (718) 646-3903

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  • Individual
  • Male
  • Years of Experience 49
  • Obstetrics & Gynecology
  • Accepts Medicare Approved Payment
  • PECOS Enrolled
  • CLIA Number: 33D0921605
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 10-31-2025

About LEON NITKIN

This page provides the complete NPI Profile along with additional information for Leon Nitkin, a women's health care provider established in Brooklyn, New York with a medical specialization in Obstetrics & Gynecology and more than 49 years of experience. The healthcare provider is registered in the NPI registry with number 1811017916 assigned on March 2007. The practitioner's primary taxonomy code is 207V00000X with license number 161521 (NY). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1811017916
Provider Name
LEON ABRAMOVICH NITKIN MD
Gender
Male
Entity Type
Individual
Location Address
1120 BRIGHTON BEACH AVE BROOKLYN, NY 11235
Location Phone
(718) 646-8808
Location Fax
(718) 646-3903
Mailing Address
1120 BRIGHTON BEACH AVE SUITE 60 BROOKLYN, NY 11235
Mailing Phone
(718) 646-3750
Mailing Fax
(718) 646-3903
Medical School Name
OTHER
Graduation Year
1977
Is Sole Proprietor?
No
Enumeration Date
03-30-2007
Last Update Date
05-23-2025
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Women's health care providers like Leon Nitkin treat and diagnose diseases and conditions that affect a woman's physical and emotional health. Women's health professionals come from a variety of different specialties, including obstetrician/gynecologists, general surgeons, perinatologists, physician assistants, nurse practitioners or nurse midwives. A women's health provider might help you with family planning, breast care, pregnancy and child birth, osteoporosis, menopause, heart disease, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Obstetrics & Gynecology

Taxonomy Code
207V00000X
Type
Allopathic & Osteopathic Physicians
License No.
161521
License State
NY
Taxonomy Description
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
00890726MEDICAID (05)NY 

Medicare Participation & PECOS Enrollment Status

Leon Nitkin is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Leon Nitkin is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 3971556689

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20050222000922

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Alpha-fetoprotein (afp) level, serum

An Alpha-fetoprotein (AFP) level, serum test is a blood test that measures the amount of AFP in your blood. AFP is a protein normally made by the liver and yolk sac of a fetus. High levels can indicate certain health conditions.

This service was performed 100 times for 96 patients

Blood test, thyroid stimulating hormone (tsh)

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.

This service was performed 41 times for 40 patients

Carcinoembryonic antigen (cea) protein level

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.

This service was performed 101 times for 97 patients

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

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.

This service was performed 102 times for 97 patients

Complete ultrasound scan of pelvis

A complete ultrasound scan of the pelvis is a safe, non-invasive imaging procedure. It uses sound waves to create pictures of your lower abdomen area, helping doctors to evaluate and diagnose any potential issues. It's painless and usually takes about 30 minutes.

This service was performed 98 times for 94 patients

Cortisol (hormone) measurement, total

Cortisol measurement is a test that checks the level of cortisol, a hormone, in your body. It's often used to assess stress levels or check for conditions like Addison's disease or Cushing's syndrome. This involves a simple blood or saliva sample.

This service was performed 42 times for 41 patients

Detection test by nucleic acid for chlamydia trachomatis, amplified probe technique

A detection test by nucleic acid for chlamydia trachomatis, amplified probe technique, is a test that identifies the presence of a specific bacteria in the body. This bacteria can cause various health issues. The technique amplifies the sample to improve accuracy.

This service was performed 101 times for 99 patients

Detection test by nucleic acid for neisseria gonorrhoeae (gonorrhoeae bacteria), amplified probe technique

This is a lab test that checks for the presence of a specific bacteria called Neisseria gonorrhoeae in your body. It uses a technique called amplified probe, which makes many copies of the bacteria's genetic material (nucleic acid) to help detect it more easily.

This service was performed 101 times for 99 patients

Detection test by nucleic acid for organism, direct probe technique

A detection test by nucleic acid for an organism using a direct probe technique is a type of diagnostic test. It identifies specific genetic material of an organism, usually a virus or bacteria, in a sample. This helps in diagnosing diseases accurately and quickly.

This service was performed 104 times for 101 patients

Detection test for candida species (yeast), direct probe technique

The detection test for Candida species uses a direct probe technique. This is a lab test where a sample is taken from your body, typically from the mouth or skin. The sample is then examined under a microscope to identify the presence of Candida, a type of yeast that can cause infection.

This service was performed 104 times for 101 patients

Detection test for gardnerella vaginalis (bacteria), direct probe technique

This test helps find a certain type of bacteria called Gardnerella vaginalis. The direct probe technique uses a small sample from your body. This sample is then examined in a lab to see if this bacteria is present. This helps in identifying and treating any related health issues.

This service was performed 104 times for 101 patients

Established patient office or other outpatient visit, 20-29 minutes

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.

This service was performed 190 times for 103 patients

Established patient office or other outpatient visit, 30-39 minutes

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.

This service was performed 83 times for 81 patients

Gonadotropin, follicle stimulating (reproductive hormone) level

This is a test that measures the level of a hormone in your body known as follicle stimulating hormone (FSH). FSH plays a key role in the body's reproductive processes. It's important for growth and the healthy functioning of the body.

This service was performed 98 times for 95 patients

Gonadotropin, luteinizing (reproductive hormone) level

This is a blood test that measures the level of luteinizing hormone (LH). LH plays a key role in body growth and development. It's important for the proper functioning of certain glands. Irregular levels can indicate potential health issues.

This service was performed 99 times for 96 patients

Immunologic analysis for detection of tumor antigen, quantitative; ca 125

This test checks for CA 125, a protein often found in higher amounts in individuals with certain types of tumors. It involves analyzing a blood sample in a lab. It's a quantitative test, meaning it measures the level of CA 125 in your blood.

This service was performed 102 times for 98 patients

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

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.

This service was performed 100 times for 96 patients

Immunologic analysis for detection of tumor antigen, quantitative; ca 19-9

CA 19-9 is a type of protein found on the surface of some cancer cells. An immunologic analysis is a lab test that measures the level of CA 19-9 in your blood. High levels may suggest the presence of certain types of cancer, but further testing is needed for a definitive diagnosis.

This service was performed 100 times for 96 patients

Insertion of needle into vein for collection of blood sample

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.

This service was performed 103 times for 96 patients

Insulin measurement, total

Insulin measurement, total, is a blood test that checks the amount of insulin — a hormone regulating blood sugar — in your body. It helps diagnose diabetes and other conditions related to insulin. The test involves a simple blood draw and is generally safe and quick.

This service was performed 42 times for 41 patients

Measure of severe acute respiratory syndrome coronavirus 2 (covid-19) antibody

This procedure checks for antibodies to the COVID-19 virus in your blood. It indicates whether you've had a past infection. The body produces these antibodies while fighting off the virus. It's not a test for current infection.

This service was performed 123 times for 61 patients

Measurement of total estradiol (hormone)

Total estradiol measurement is a simple blood test that examines the level of a key hormone in your body. This hormone plays a vital role in many body functions. The test helps understand if hormone levels are balanced, which can impact overall health.

This service was performed 99 times for 96 patients

New patient office or other outpatient visit, 45-59 minutes

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.

This service was performed 38 times for 37 patients

Parathormone (parathyroid hormone) level

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.

This service was performed 42 times for 41 patients

Progesterone (reproductive hormone) level

A progesterone level test measures the amount of progesterone, a hormone, in your body. It plays a key role in preparing the body for pregnancy and maintaining it. The test can help assess overall hormonal health and aid in diagnosing certain conditions.

This service was performed 99 times for 96 patients

Prolactin (milk producing hormone) level

A prolactin level test measures the amount of a hormone, prolactin, in your blood. This hormone plays a role in many bodily functions, such as the creation of milk. High or low levels can indicate certain health conditions. The test involves a simple blood draw.

This service was performed 42 times for 42 patients

Thyroglobulin (thyroid protein) antibody measurement

Thyroglobulin antibody measurement is a blood test that checks for antibodies against thyroglobulin, a protein in your thyroid gland. It helps detect conditions like Hashimoto's thyroiditis or monitor thyroid cancer treatment. It's a simple, safe procedure.

This service was performed 42 times for 41 patients

Thyroid hormone, t3 measurement, free

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.

This service was performed 42 times for 41 patients

Thyroxine (thyroid chemical), total

A Thyroxine (thyroid chemical) total test measures the amount of thyroxine, a hormone produced by your thyroid gland, in your blood. This hormone helps regulate your body's metabolism. The test can help diagnose thyroid disorders, such as hypothyroidism or hyperthyroidism.

This service was performed 40 times for 40 patients

Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina

An ultrasound scan of the lower abdominal region is a safe, non-invasive procedure that uses sound waves to create images of internal structures. This helps in checking the health of reproductive organs and detecting any abnormalities. The scan is done via a small probe inserted into the body.

This service was performed 98 times for 94 patients

Vitamin d-3 level

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.

This service was performed 42 times for 40 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $38.57 for a new patient copayment and $20.86 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 11235 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $154.28
  • Minimum New Patient Price $67.4
  • Maximum New Patient Price $203.53
  • Average New Patient Copayment $38.57
  • Minimum New Patient Copayment $16.85
  • Maximum New Patient Copayment $50.88

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $83.44
  • Minimum Established Patient Price $21.66
  • Maximum Established Patient Price $164.45
  • Average Established Patient Copayment $20.86
  • Minimum Established Patient Copayment $5.41
  • Maximum Established Patient Copayment $41.11

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
33D0921605
Facility Type
Physician Office
Certificate Effective Date
August 20, 2023
Certificate Expiration Date
October 31, 2025
Laboratory Director
DR. LEON NITKIN
Certificate Type
Certificate of Compliance
Certificate Type Description
This CLIA certificate is issued to Leon Nitkin after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements. This type of certificate is issued to laboratories that perform nonwaived (moderate and/or high complexity) testing.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1811017916, we treat the final digit (6) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
8
Unchanged
Pos 3
1
Doubled → 2
Pos 4
1
Unchanged
Pos 5
0
Doubled → 0
Pos 6
1
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
9
Unchanged
Pos 9
1
Doubled → 2
Check
6
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 1 → 2 0 → 0 7 → 14 → 5 1 → 2

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 8 + 2 + 1 + 0 + 1 + 1 + 4 + 9 + 2 + 24 = 54

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1811017916.

Other Providers at the Same Location


The following 11 providers are registered at the same or a nearby location.

Pain Medicine (Interventional Pain Medicine)
1120 BRIGHTON BEACH AVE, UNIT 1XZ
BROOKLYN, NY 11235
Psychiatry & Neurology (Psychiatry)
1120 BRIGHTON BEACH AVE, 1 Z
BROOKLYN, NY 11235
Pain Medicine (Pain Medicine)
1120 BRIGHTON BEACH AVE, UNIT 1XZ
BROOKLYN, NY 11235
Specialist
1120 BRIGHTON BEACH AVE
BROOKLYN, NY 11235
Dental Hygienist
1120 BRIGHTON BEACH AVE
BROOKLYN, NY 11235
Surgery
1120 BRIGHTON BEACH AVE
BROOKLYN, NY 11235
Clinical Medical Laboratory
1120 BRIGHTON BEACH AVE, STE 1X
BROOKLYN, NY 11235
Anesthesiology
1120 BRIGHTON BEACH AVE, SUITE 6 0
BROOKLYN, NY 11235
Podiatrist
1120 BRIGHTON BEACH AVE, 1Z
BROOKLYN, NY 11235
Obstetrics & Gynecology
1120 BRIGHTON BEACH AVE, STE 60
BROOKLYN, NY 11235
Registered Nurse
1120 BRIGHTON BEACH AVE
BROOKLYN, NY 11235

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1811017916, enumerated as an "individual" on March 30, 2007.

The provider is located at 1120 BRIGHTON BEACH AVE BROOKLYN, NY 11235 and the phone number is (718) 646-8808.

Obstetrics & Gynecology with taxonomy code 207V00000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.