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DR. LEON KAVALER MD
NPI 1720015837
Internal Medicine - Gastroenterology in New York, NY

Active since June 26, 2006PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
68 E 86TH ST, NEW YORK, NY 10028(212) 535-1845(212) 861-6285 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Leon Kavaler Md NPPES

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

DR. LEON KAVALER MD (NPI 1720015837) is an individual gastroenterology provider in New York, New York, licensed in New York (183409) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1989).

NPPES Registry Identity

NPI1720015837
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. LEON KAVALERCredential: MD
Location Address68 E 86TH STNew York, NY 10028-1012
Mailing Address68 E 86th StNew York, NY 10028-1012 · (212) 535-1845 · Fax (212) 861-6285
Phone(212) 535-1845
Fax(212) 861-6285
Sole ProprietorNo
Medical School CMSOtherGraduated 1989
Enumeration DateJune 26, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1720015837 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in NY · 183409
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
68 E 86TH ST, New York, NY 10028
Open in Google Maps ↗

Other Identifiers 2

Medicare UPINF30364NY
Medicare ID-Type UnspecifiedW0Z361NY

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

Dr. Leon Kavaler 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 ID5890956395
PECOS Enrollment IDI20120413000377
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 Leon Kavaler reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

New York Gastroenterology Associates LLP
1.3 mi
Gastroenterology
311 E 79TH ST, SUITE 2A
New York, NY 10021
  • Reassigned Medicare billing, New York enrollment
  • 30 clinicians in this Medicare group
NPI 1356428387 (212) 996-6633

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 9

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.

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.
238 services185 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
103 services103 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
98 services98 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
86 services79 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
79 services79 patients
Diagnostic exam of large bowel using a flexible endoscope 45378
This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.
75 services75 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10028 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
$150.24 typical visit price
range $65.69 – $198.19
Typical copayment $37.56 (range $16.42 – $49.54)
Most-billed visit code 99204
Established Patient
$114.88 typical visit price
range $21.20 – $160.66
Typical copayment $28.72 (range $5.30 – $40.16)
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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability100
Improvement Activities40

Reported Quality Measures

Appropriate Follow-Up Interval for Normal Colonoscopy in Average Risk Patients
Percentage of patients aged 50 to 75 years of age receiving a screening colonoscopy without biopsy or polypectomy who had a recommended follow-up interval of at least 10 years for repeat colonoscopy documented in their colonoscopy report
99%137 patients
Appropriate indication for colonoscopy
Percentage of colonoscopy procedures performed for an indication that is included in a published standard list of appropriate indications and the indication is documented
79%816 patients3/55-star benchmark: 99%
NHCR4: Repeat screening or surveillance colonoscopy recommended within one year due to inadequate/poor bowel preparation
Percentage of patients recommended for repeat screening or surveillance colonoscopy within one year or less due to inadequate/poor bowel preparation quality
50%28 patients
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 4

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

LEON KAVALER, M.D., P.C.
Internal Medicine (Gastroenterology)
68 E 86TH ST
NEW YORK, NY 10028
New York County (212) 535-2953
ZVI M. OSTERWEIL, MD PLLC
Otolaryngology
68 E 86TH ST
NEW YORK, NY 10028
New York County (212) 288-8878
JILL P KAVALER MD PC
Anesthesiology
68 E 86TH ST
NEW YORK, NY 10028
New York County (201) 767-2123
DR. WILLIAM HAROLD PERLOW MD
Internal Medicine (Gastroenterology)
68 E 86TH ST
NEW YORK, NY 10028
New York County (212) 535-1845

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 Leon Kavaler's NPI number?

The NPI number for Leon Kavaler is 1720015837. It was assigned to this individual provider in the NPPES registry on June 26, 2006.

Where is Leon Kavaler located?

Leon Kavaler practices at 68 E 86th St, New York, NY 10028. The listed phone number is (212) 535-1845.

What is Leon Kavaler's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Leon Kavaler enrolled in Medicare?

Yes. Leon Kavaler 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 Leon Kavaler's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leon Kavaler reassigns Medicare benefits to New York Gastroenterology Associates LLP (New York, 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 Leon Kavaler'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 Leon Kavaler was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.