MARK STEPHEN LEMERT M.D.
NPI 1306810478
Internal Medicine - Gastroenterology in New York, NY

Q: What is Mark Lemert's NPI number?

The NPI number for Mark Lemert is 1306810478. It was assigned to this individual provider in the NPPES registry on February 15, 2006.

Q: What is Mark Lemert'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 Mark Lemert was last updated on February 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 February 15, 2006PECOS EnrolledAccepts Medicare Assignment

317 E 34TH ST, MURRAY HILL MEDICAL GROUP 7TH FLOOR, NEW YORK, NY 10016(212) 726-7412(212) 981-7212 Get Directions Write a Review

NPPES record last updated: February 20, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Mark Stephen Lemert M.d. NPPES

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

MARK STEPHEN LEMERT M.D. (NPI 1306810478) is an individual gastroenterology provider in New York, New York, licensed in Maine (MD26758) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Nyu Langone Hospitals, and maintains a secondary practice location in Rockport.

NPPES Registry Identity

NPI1306810478

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameMARK STEPHEN LEMERTCredential: M.D.

Location Address317 E 34TH ST, MURRAY HILL MEDICAL GROUP 7TH FLOORNew York, NY 10016-4974

Mailing Address4 Glen Cove Dr Ste 10Rockport, ME 04856-4235 · (207) 301-5790

Phone(212) 726-7412

Fax(212) 981-7212

Sole ProprietorNo

Medical School CMSGeorge Washington University School Of MedicineGraduated 1997

Enumeration DateFebruary 15, 2006

Last NPPES UpdateFebruary 20, 2024

NPPES CertifiedFebruary 20, 2024

✔ NPI 1306810478 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

Licenses✔ Licensed in ME · MD26758✔ Licensed in NY · 236488

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.

317 E 34TH ST, New York, NY 10016

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Secondary Practice Location 1

Location 14 Glen Cove Dr Ste 10Rockport, ME 04856 · Phone (207) 301-5790 · Fax (207) 301-5310

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

Mark Stephen Lemert M.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 ID5597741470

PECOS Enrollment IDI20070130000122

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 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 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.

127 services91 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.

65 services65 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.

50 services50 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.

45 services45 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.

30 services29 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.

26 services25 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

24 services24 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.

22 services19 patients

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

21 services21 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.

17 services14 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

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.

13 services13 patients

Hospital Affiliations CMS Care Compare

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

Nyu Langone Hospitals

Acute Care Hospitals · New York, NY

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330214

Location550 First AvenueNew York, NY 10016 · New York County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10016 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.

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.

TAHSIN KABIR

Family Medicine

317 E 34TH ST
NEW YORK, NY 10016

New York County (212) 726-7400

KELLY ANN KEYSER

Nurse Practitioner (Adult Health)

317 E 34TH ST
NEW YORK, NY 10016

New York County (732) 379-1237

ANN AURIGEMMA NP

Nurse Practitioner (Pediatrics)

317 E 34TH ST
NEW YORK, NY 10016

New York County (212) 725-6300

DR. PHOEBE E RABBIN MD

Dermatology

317 E 34TH ST
NEW YORK, NY 10016

New York County (212) 981-7240

DR. YOON-SOO BAE BS, MA, MD

Specialist

317 E 34TH ST, 11TH FLOOR
NEW YORK, NY 10016

New York County (212) 686-7306

DR. AMY B BLEYER MD

Internal Medicine

317 E 34TH ST
NEW YORK, NY 10016

New York County (212) 726-7462

MIRIANNY ORTIZ

Nurse Practitioner (Family)

317 E 34TH ST
NEW YORK, NY 10016

New York County (212) 263-8134

JAMES ALFONSO BISOGNO DO

Family Medicine

317 E 34TH ST
NEW YORK, NY 10016

New York County (212) 726-7400

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 Mark Lemert's NPI number?

The NPI number for Mark Lemert is 1306810478. It was assigned to this individual provider in the NPPES registry on February 15, 2006.

Where is Mark Lemert located?

Mark Lemert practices at 317 E 34th St Murray Hill Medical Group 7th Floor, New York, NY 10016. The listed phone number is (212) 726-7412.

What is Mark Lemert's specialty?

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

Is Mark Lemert enrolled in Medicare?

Yes. Mark Lemert 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 Mark Lemert affiliated with any hospitals?

According to CMS data, Mark Lemert is affiliated with Nyu Langone Hospitals.

When was this NPI record last updated?

The NPPES record for Mark Lemert was last updated on February 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.