DR. MARC LEHRER GREENWALD MD
NPI 1174618557
Colon & Rectal Surgery in Great Neck, NY

Q: What is Marc Greenwald's NPI number?

The NPI number for Marc Greenwald is 1174618557. It was assigned to this individual provider in the NPPES registry on October 3, 2006.

Q: What is Marc Greenwald's specialty?

The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.

Q: When was this NPI record last updated?

The NPPES record for Marc Greenwald was last updated on September 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since October 03, 2006PECOS EnrolledAccepts Medicare Assignment

91.25/100

CMS Quality Rating

310 EAST SHORE ROAD, SUTE 203, GREAT NECK, NY 11023(516) 482-8657(516) 829-0002 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Dr. Marc Lehrer Greenwald Md NPPES

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

DR. MARC LEHRER GREENWALD MD (NPI 1174618557) is an individual colon & rectal surgery provider in Great Neck, New York, licensed in New York (166588) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with North Shore University Hospital, and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (1985).

NPPES Registry Identity

NPI1174618557

Entity TypeIndividualMale

Primary Taxonomy208C00000X

Provider Legal NameDR. MARC LEHRER GREENWALDCredential: MD

Location Address310 EAST SHORE ROAD, SUTE 203Great Neck, NY 11023

Mailing Address310 East Shore Road, Sute 203Great Neck, NY 11023 · (516) 482-8657 · Fax (516) 829-0002

Phone(516) 482-8657

Fax(516) 829-0002

Sole ProprietorNo

Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 1985

Enumeration DateOctober 3, 2006

Last NPPES UpdateSeptember 11, 2025

✔ NPI 1174618557 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyColon & Rectal SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208C00000X

License✔ Licensed in NY · 166588

Definition

A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Also ListedSurgeryTaxonomy 208600000X · License 166588 (NY)

310 EAST SHORE ROAD, Great Neck, NY 11023

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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

Dr. Marc Lehrer Greenwald 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 ID2062579097

PECOS Enrollment IDI20090319000062

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 18

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.

Diagnostic exam of anus using an endoscope 46600

This procedure involves using a thin, flexible instrument called an endoscope to examine the anal area. It helps detect any abnormal conditions or issues. It's a safe, routine exam performed by a healthcare professional.

92 services82 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.

83 services62 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.

66 services66 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.

57 services57 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

44 services17 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.

34 services30 patients

Removal of external hemorrhoids by rubber banding 46221

Rubber band ligation is a procedure used to treat external hemorrhoids. A doctor places small rubber bands around the base of the hemorrhoids. This cuts off blood supply, causing them to shrink and fall off, typically within a week.

33 services27 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.

22 services22 patients

Partial release of large bowel and partial removal of large bowel using an endoscope 44213

This procedure involves using an endoscope, a flexible tube with a camera, to partially release and remove a section of your large bowel. It's a minimally invasive surgery that helps treat conditions like cancer or bowel obstruction.

19 services19 patients

Diagnostic exam of lower portion of large bowel using a flexible endoscope 45330

This procedure, known as a sigmoidoscopy, involves using a flexible tube with a camera to examine the lower part of your large bowel. It helps in identifying issues like inflammation, ulcers, or abnormal growths. It's a safe, minimally invasive procedure.

16 services14 patients

Partial removal of large bowel and reattachment to rectum using an endoscope 44207

This procedure involves the partial removal of the large bowel, also known as the colon, due to disease or other health concerns. Using an endoscope, a long, flexible tube with a camera, the surgeon will then reconnect the remaining healthy parts of the bowel to the rectum.

15 services15 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.

15 services14 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

13 services11 patients

Partial removal of large bowel using an endoscope 44204

This procedure involves the use of a thin, flexible tube (endoscope) to partially remove the large bowel. It helps in treating conditions like polyps or tumors. The procedure is minimally invasive, reducing recovery time.

12 services12 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.

12 services12 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

12 services12 patients

Biopsy of large bowel using a flexible endoscope 45380

11 services11 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.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

North Shore University Hospital

Acute Care Hospitals · Manhasset, NY

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330106

Location300 Community DriveManhasset, NY 11030 · Nassau County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11023 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

$105.06 typical visit price

range $67.40 – $203.53

Typical copayment $26.26 (range $16.85 – $50.88)

Most-billed visit code 99203

Established Patient

$83.44 typical visit price

range $21.66 – $164.45

Typical copayment $20.86 (range $5.41 – $41.11)

Most-billed visit code 99213

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.

91.25/100

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

Scored through an Alternative Payment Model

Quality

74.92

Promoting Interoperability

91.67

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 12

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

Ostomy skin barrier, powder, per oz A4371