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RUTH A. ROSS-MCCORMACK MD
NPI 1295835833
Internal Medicine - Gastroenterology in Arlington, MA

Active since September 24, 2006PECOS EnrolledAccepts Medicare Assignment
91.41/100
CMS Quality Rating
37 BROADWAY, LAHEY ARLINGTON, ARLINGTON, MA 02474(781) 641-0100(781) 744-7132 Get Directions Write a Review

NPPES record last updated: October 30, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ruth A. Ross-mccormack Md NPPES

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

RUTH A. ROSS-MCCORMACK MD (NPI 1295835833) is an individual gastroenterology provider in Arlington, Massachusetts, licensed in Massachusetts (77649) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, is affiliated with Winchester Hospital, and is a graduate of Wake Forest University School Of Medicine (1990).

NPPES Registry Identity

NPI1295835833
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameRUTH A. ROSS-MCCORMACKCredential: MD
Location Address37 BROADWAY, LAHEY ARLINGTONArlington, MA 02474-5552
Mailing AddressLahey Clinic, 41 Mall RoadBurlington, MA 01805-0001 · (781) 764-1010 · Fax (781) 744-7132
Phone(781) 641-0100
Fax(781) 744-7132
Sole ProprietorNo
Medical School CMSWake Forest University School Of MedicineGraduated 1990
Enumeration DateSeptember 24, 2006
Last NPPES UpdateOctober 30, 2012
✔ NPI 1295835833 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 MA · 77649
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.
37 BROADWAY, Arlington, MA 02474
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Other Identifiers 3

Medicaid3141161MA
Medicare PINA2073501MA
Medicare UPING16687

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield.Insurance ›

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

Ruth A. Ross-mccormack 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 ID749221174
PECOS Enrollment IDI20050517000131
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 7

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.

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.
123 services97 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.
118 services85 patients
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500
Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.
83 services78 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.
63 services63 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.
52 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.
51 services50 patients

Hospital Affiliations CMS Care Compare 2

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

Winchester Hospital

Acute Care Hospitals · Winchester, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220105
Location41 Highland AvenueWinchester, MA 01890 · Middlesex County
Emergency services Birthing friendly

Lahey Hospital & Medical Center, Burlington

Acute Care Hospitals · Burlington, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220171
Location41 & 45 Mall RoadBurlington, MA 01803 · Middlesex County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02474 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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.

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.

91.41/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality76.87
Promoting Interoperability100
Improvement Activities40

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.

RONALD P. CRISCITIELLO M.D
Internal Medicine
37 BROADWAY
ARLINGTON, MA 02474
Middlesex County (781) 641-0100
DIANE H MERLO P.T.
Physical Therapist
37 BROADWAY
ARLINGTON, MA 02474
Middlesex County (781) 643-6090
ROBERT BRUCE LIBERMAN MD
Internal Medicine
37 BROADWAY
ARLINGTON, MA 02474
Middlesex County (781) 744-5100
MARK A SULLIVAN M.D.
Internal Medicine
37 BROADWAY, LAHEY ARLINGTON
ARLINGTON, MA 02474
Middlesex County (781) 641-0100
GRETCHEN DIETRICH M.D.
Family Medicine
37 BROADWAY, LAHEY HEALTH PRIMARY CARE, ARLINGTON
ARLINGTON, MA 02474
Middlesex County (781) 641-0100
VISITING NURSE AND COMMUNITY HEALTH, INC
Home Health
37 BROADWAY
ARLINGTON, MA 02474
Middlesex County (781) 643-6090
DR. NEHA MALIK M.D.
Internal Medicine
37 BROADWAY, 37 BROADWAY
ARLINGTON, MA 02474
Middlesex County (781) 641-0100
KENNETH A. KRUTT MD
Internal Medicine
37 BROADWAY, 37 BROADWAY
ARLINGTON, MA 02474
Middlesex County (781) 641-0100

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 Ruth Ross-mccormack's NPI number?

The NPI number for Ruth Ross-mccormack is 1295835833. It was assigned to this individual provider in the NPPES registry on September 24, 2006.

Where is Ruth Ross-mccormack located?

Ruth Ross-mccormack practices at 37 Broadway Lahey Arlington, Arlington, MA 02474. The listed phone number is (781) 641-0100.

What is Ruth Ross-mccormack's specialty?

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

Is Ruth Ross-mccormack enrolled in Medicare?

Yes. Ruth Ross-mccormack 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.

What insurance does Ruth Ross-mccormack accept?

Health plans from Anthem Blue Cross and Blue Sheld and Anthem Blue Cross and Blue Shield list Ruth Ross-mccormack as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Ruth Ross-mccormack affiliated with any hospitals?

According to CMS data, Ruth Ross-mccormack is affiliated with Winchester Hospital and Lahey Hospital & Medical Center, Burlington.

When was this NPI record last updated?

The NPPES record for Ruth Ross-mccormack was last updated on October 30, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.