DAVID A GREENWALD MD
NPI 1144305913
Internal Medicine - Gastroenterology in New York, NY

Active since October 27, 2006PECOS EnrolledAccepts Medicare Assignment
17 E 102ND ST, NEW YORK, NY 10029(212) 241-8100(646) 537-8921 Get Directions Write a Review

NPPES record last updated: February 22, 2019. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Feb 22, 2019, Mar 17, 2018 (2 updates tracked since 2018).

About David A Greenwald Md NPPES

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

DAVID A GREENWALD MD (NPI 1144305913) is an individual gastroenterology provider in New York, New York, licensed in New York (173606) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1144305913
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDAVID A GREENWALDCredential: MD
Location Address17 E 102ND STNew York, NY 10029-5204
Mailing Address1 Gustave L Levy Pl # 3000New York, NY 10029-6504 · (212) 987-3100 · Fax (212) 731-5210
Fax(646) 537-8921
Sole ProprietorNo
Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 1986
Enumeration DateOctober 27, 2006
Last NPPES UpdateFebruary 22, 20192 updates tracked since enumeration
NPI 1144305913 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 · 173606
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.

17 E 102ND ST, New York, NY 10029

Secondary Practice Locations 3

Location 11184 5th AveNew York, NY 10029-6503 · Phone (212) 241-4299 · Fax (212) 426-5099
Location 21 Gustave L Levy PlNew York, NY 10029-6504 · Phone (212) 241-4299 · Fax (212) 426-5099
Location 35 E 98th StNew York, NY 10029 · Phone (212) 241-4299 · Fax (212) 426-5099

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

David A 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 ID9931154549
PECOS Enrollment IDI20050316000913
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 11

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.
144 services115 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.
124 services96 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.
73 services71 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.
53 services53 patients
Imaging of digestive tract done from the inside of the digestive tract 91110
This procedure, known as an endoscopy, involves a small camera being passed into the digestive tract. It helps doctors to see the inside of your digestive system in detail. This can aid in diagnosing conditions or planning treatments. It's generally safe and can provide valuable information.
49 services41 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.
32 services32 patients

Hospital Affiliations CMS Care Compare

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

Mount Sinai Hospital

Acute Care Hospitals · New York, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330024
LocationOne Gustave L Levy PlaceNew York, NY 10029 · New York County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10029 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.

Internal Medicine
17 E 102ND ST
NEW YORK, NY 10029
Internal Medicine (Infectious Disease)
17 E 102ND ST
NEW YORK, NY 10029
Nurse Practitioner (Family)
17 E 102ND ST
NEW YORK, NY 10029
Internal Medicine (Rheumatology)
17 E 102ND ST
NEW YORK, NY 10029
Internal Medicine
17 E 102ND ST
NEW YORK, NY 10029
Nurse Practitioner (Family)
17 E 102ND ST
NEW YORK, NY 10029
Internal Medicine
17 E 102ND ST
NEW YORK, NY 10029
Internal Medicine
17 E 102ND ST
NEW YORK, NY 10029

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 David Greenwald's NPI number?

The NPI number for David Greenwald is 1144305913. It was assigned to this individual provider in the NPPES registry on October 27, 2006.

Where is David Greenwald located?

David Greenwald practices at 17 E 102nd St, New York, NY 10029. The listed phone number is (212) 241-8100.

What is David Greenwald's specialty?

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

Is David Greenwald enrolled in Medicare?

Yes. David Greenwald 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 David Greenwald affiliated with any hospitals?

According to CMS data, David Greenwald is affiliated with Mount Sinai Hospital.

When was this NPI record last updated?

The NPPES record for David Greenwald was last updated on February 22, 2019. NPI Profile syncs with the weekly NPPES data releases published by CMS.