DR. ALISSA J MARK MD
NPI 1174705065
Internal Medicine - Gastroenterology in White Plains, NY

Active since December 03, 2007PECOS EnrolledAccepts Medicare Assignment
210 WESTCHESTER AVE, WHITE PLAINS, NY 10604(914) 682-6466 Get Directions Write a Review

NPPES record last updated: October 16, 2013. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Alissa J Mark Md NPPES

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

DR. ALISSA J MARK MD (NPI 1174705065) is an individual gastroenterology provider in White Plains, New York, licensed in New York (232097) and active in the NPI registry since December 2007. She is enrolled in Medicare PECOS, is affiliated with White Plains Hospital Center, and is a graduate of Temple University School Of Medicine (2001).

NPPES Registry Identity

NPI1174705065
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameDR. ALISSA J MARKCredential: MD
Location Address210 WESTCHESTER AVEWhite Plains, NY 10604-2901
Mailing Address2700 Westchester AvePurchase, NY 10577-2547
Sole ProprietorNo
Medical School CMSTemple University School Of MedicineGraduated 2001
Enumeration DateDecember 3, 2007
Last NPPES UpdateOctober 16, 2013
NPI 1174705065 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 · 232097
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.
210 WESTCHESTER AVE, White Plains, NY 10604

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. Alissa J Mark 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 ID9335225572
PECOS Enrollment IDI20080327000603, I20120224000395
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.
103 services84 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.
60 services60 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.
57 services57 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 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.
20 services20 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.
20 services20 patients

Hospital Affiliations CMS Care Compare

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

White Plains Hospital Center

Acute Care Hospitals · White Plains, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330304
Location41 East Post R0adWhite Plains, NY 10601 · Westchester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10604 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
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
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.

Anesthesiology
210 WESTCHESTER AVE
WHITE PLAINS, NY 10604
Obstetrics & Gynecology
210 WESTCHESTER AVE
WEST HARRISON, NY 10604
Family Medicine
210 WESTCHESTER AVE
WHITE PLAINS, NY 10604
Physician Assistant (Surgical)
210 WESTCHESTER AVE
WHITE PLAINS, NY 10604
Obstetrics & Gynecology
210 WESTCHESTER AVE
WHITE PLAINS, NY 10604
Orthopaedic Surgery
210 WESTCHESTER AVE
WHITE PLAINS, NY 10604
Allergy & Immunology
210 WESTCHESTER AVE
WHITE PLAINS, NY 10604
Family Medicine
210 WESTCHESTER AVE
WHITE PLAINS, NY 10604

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 Alissa Mark's NPI number?

The NPI number for Alissa Mark is 1174705065. It was assigned to this individual provider in the NPPES registry on December 3, 2007.

Where is Alissa Mark located?

Alissa Mark practices at 210 Westchester Ave, White Plains, NY 10604. The listed phone number is (914) 682-6466.

What is Alissa Mark's specialty?

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

Is Alissa Mark enrolled in Medicare?

Yes. Alissa Mark 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 Alissa Mark affiliated with any hospitals?

According to CMS data, Alissa Mark is affiliated with White Plains Hospital Center.

When was this NPI record last updated?

The NPPES record for Alissa Mark was last updated on October 16, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.