DR. LEIB HARRIS SINGER M.D.
NPI 1003906322
Internal Medicine - Gastroenterology in Ft Lauderdale, FL

Q: What is Leib Singer's NPI number?

The NPI number for Leib Singer is 1003906322. It was assigned to this individual provider in the NPPES registry on October 15, 2006.

Q: What is Leib Singer's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Leib Singer 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.

Active since October 15, 2006PECOS Enrolled

4800 NE 20TH TER, SUITE 105, FT LAUDERDALE, FL 33308(954) 489-0600(954) 489-0689 Get Directions Write a Review

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

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About Dr. Leib Harris Singer M.d. NPPES

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

DR. LEIB HARRIS SINGER M.D. (NPI 1003906322) is an individual gastroenterology provider in Ft Lauderdale, Florida, licensed in Florida (ME0034494) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1003906322

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. LEIB HARRIS SINGERCredential: M.D.

Location Address4800 NE 20TH TER, SUITE 105Ft Lauderdale, FL 33308-4510

Mailing Address4800 Ne 20th Ter, Suite 105Ft Lauderdale, FL 33308-4510 · (954) 489-0600 · Fax (954) 489-0689

Phone(954) 489-0600

Fax(954) 489-0689

Sole ProprietorYes

Enumeration DateOctober 15, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1003906322 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 FL · ME0034494

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.

4800 NE 20TH TER, Ft Lauderdale, FL 33308

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Other Identifiers 3

Medicaid42357200FL

Medicare UPIND63044FL

Medicare ID-Type Unspecified93893FL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Leib Harris Singer M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

Coral Ridge Gastroenterology Associates LLC

0.2 mi

Gastroenterology

2021 E COMMERCIAL BLVD, SUITE 202
Ft Lauderdale, FL 33308

Reassigned Medicare billing, Florida enrollment
12 clinicians in this Medicare group

NPI 1265628424 (954) 202-7850

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 12

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.

200 services105 patients

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

199 services49 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

74 services22 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

50 services46 patients

Special stained specimen slides to identify organisms including interpretation and report 88312

This service involves coloring specimen slides in a special way to help identify organisms. The colors make different parts of the organism stand out. Afterward, a detailed interpretation and report on the findings are provided.

48 services25 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

43 services25 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.

40 services40 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.

38 services38 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.

21 services21 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.

20 services19 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

20 services20 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.

16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33308 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

$135.56 typical visit price

range $58.56 – $179.05

Typical copayment $33.89 (range $14.64 – $44.76)

Most-billed visit code 99204

Established Patient

$103.21 typical visit price

range $18.44 – $144.68

Typical copayment $25.80 (range $4.61 – $36.17)

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.

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.

DEBORAH A COHEN DPM

Podiatrist

4800 NE 20TH TER, SUITE 107
FT LAUDERDALE, FL 33308

Broward County (954) 202-9788

DR. MICHAEL A. PEREZ M.D.

Surgery

4800 NE 20TH TER, 303
FORT LAUDERDALE, FL 33308

Broward County (954) 351-7770

DR. MARIA CHATANI DMD

Dentist (Pediatric Dentistry)

4800 NE 20TH TER, SUITE 301 SOUTH
FORT LAUDERDALE, FL 33308

Broward County (954) 727-9865

DR. DAN S ARNOLD JR. DMD

Dentist

4800 NE 20TH TER, SUITE 205
FORT LAUDERDALE, FL 33308

Broward County (954) 771-8891

DR. DENNIS MICHAEL LISTON M.D. P.A

Psychiatry & Neurology (Psychiatry)

4800 NE 20TH TER, SUITE 202
FORT LAUDERDALE, FL 33308

Broward County (954) 492-4525

U.S. BARIATRIC, FORT LAUDERDALE, LLC

Specialist

4800 NE 20TH TER, SUITE 303
FORT LAUDERDALE, FL 33308

Broward County (954) 351-7770

DR. BRYAN J FRIEDLAND D.M.D

Dentist (General Practice)

4800 NE 20TH TER, SUITE 215
FORT LAUDERDALE, FL 33308

Broward County (954) 771-7636

U.S. BARIARIC SOUTH FLORIDA , LLC

Surgery

4800 NE 20TH TER, SUITE 303
FT LAUDERDALE, FL 33308

Broward County (954) 351-7770

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 Leib Singer's NPI number?

The NPI number for Leib Singer is 1003906322. It was assigned to this individual provider in the NPPES registry on October 15, 2006.

Where is Leib Singer located?

Leib Singer practices at 4800 NE 20th Ter Suite 105, Ft Lauderdale, FL 33308. The listed phone number is (954) 489-0600.

What is Leib Singer's specialty?

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

Is Leib Singer enrolled in Medicare?

Yes. Leib Singer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Leib Singer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leib Singer reassigns Medicare benefits to Coral Ridge Gastroenterology Associates LLC (Ft Lauderdale, FL). 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 Leib Singer'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 Leib Singer 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.