ROBERT M WEISS
NPI 1861575953
Internal Medicine - Gastroenterology in Holyoke, MA

Q: What is Robert Weiss's NPI number?

The NPI number for Robert Weiss is 1861575953. It was assigned to this individual provider in the NPPES registry on October 23, 2006.

Q: What is Robert Weiss'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 Robert Weiss was last updated on February 11, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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 October 23, 2006PECOS EnrolledAccepts Medicare Assignment

91.27/100

CMS Quality Rating

10 HOSPITAL DR, STE 102, HOLYOKE, MA 01040(413) 534-1132 Get Directions Write a Review

NPPES record last updated: February 11, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Robert M Weiss NPPES

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

ROBERT M WEISS (NPI 1861575953) is an individual gastroenterology provider in Holyoke, Massachusetts, licensed in Massachusetts (57667) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Cooley Dickinson Hospital Inc,the, and is a graduate of Columbia University College Of Physicians And Surgeons (1985).

NPPES Registry Identity

NPI1861575953

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameROBERT M WEISS

Location Address10 HOSPITAL DR, STE 102Holyoke, MA 01040-6603

Mailing AddressPo Box 9132Brookline, MA 02446-9132 · (800) 927-0002

Phone(413) 534-1132

Sole ProprietorNo

Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 1985

Enumeration DateOctober 23, 2006

Last NPPES UpdateFebruary 11, 2011

✔ NPI 1861575953 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in MA · 57667

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.

Also ListedInternal MedicineTaxonomy 207R00000X · License 57667 (MA)

10 HOSPITAL DR, Holyoke, MA 01040

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Other Identifiers 5

Medicare ID-Type UnspecifiedJ06268MA

Medicaid3020690MA

Other057667MA · Tufts

OtherJ06268MA · Bcbs

OtherAA141058MA · Hphc

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Robert M Weiss 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 ID1456398916

PECOS Enrollment IDI20050415000337

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.

Medicare Billing Reassignment

Medicare enrollment records show Robert Weiss reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pioneer Valley Gastroenterology Associates, PC

Same address

Gastroenterology

10 HOSPITAL DR, SUITE # 102
Holyoke, MA 01040

Reassigned Medicare billing, Massachusetts enrollment
2 clinicians in this Medicare group

NPI 1326286998 (413) 534-1132

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 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.

212 services169 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.

99 services99 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.

66 services65 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.

62 services62 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.

54 services54 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.

42 services39 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.

40 services40 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

36 services36 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.

27 services27 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

14 services14 patients

Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 43249

This procedure involves using a flexible tube with a camera, called an endoscope, to gently expand narrowed areas in your esophagus, stomach, or upper small bowel. A small balloon is inflated, making it easier for food and liquid to pass through. It's safe and effective.

14 services14 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.

12 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Cooley Dickinson Hospital Inc,the

Acute Care Hospitals · Northampton, MA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220015

Location30 Locust StreetNorthampton, MA 01060 · Hampshire County

Emergency services Birthing friendly

Holyoke Medical Center

Acute Care Hospitals · Holyoke, MA

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220024

Location575 Beech StreetHolyoke, MA 01040 · Hampden County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01040 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

$134.47 typical visit price

range $58.86 – $177.36

Typical copayment $33.61 (range $14.71 – $44.34)

Most-billed visit code 99204

Established Patient

$103.48 typical visit price

range $19.11 – $144.84

Typical copayment $25.87 (range $4.77 – $36.21)

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.

91.27/100

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

Individually scored

Quality

83.9

Promoting Interoperability

100

Improvement Activities

Cost

79.78

Reported Quality Measures

Advance Care Plan

100%560 patients5/55-star benchmark: 100%

Colonoscopy Interval for Patients with a History of Adenomatous Polyps - Avoidance of Inappropriate Use

24%82 patients

Colorectal Cancer Screening

99%868 patients4/55-star benchmark: 100%

Documentation of Current Medications in the Medical Record

100%1,293 patients5/55-star benchmark: 100%

e-Prescribing

99%282 patients4/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

100%1,151 patients5/55-star benchmark: 100%

Provide Patients Electronic Access to Their Health Information

98%309 patients4/55-star benchmark: 100%

Support Electronic Referral Loops By Sending Health Information

100%144 patients5/55-star benchmark: 97%

Urinary Incontinence: Assessment of Presence or Absence of Urinary Incontinence in Women Aged 65 Years and Older

99%274 patients4/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

DR. ANDREW S LEVIN M.D.

Internal Medicine

10 HOSPITAL DR, SUITE 307
HOLYOKE, MA 01040

Hampden County (413) 534-3244

KEENAN, MALLADI & O'NEILL, P.C.

Specialist

10 HOSPITAL DR, SUITE 106
HOLYOKE, MA 01040

Hampden County (413) 536-2978

MRS. ELAINE SKAWSKI NP

Nurse Practitioner (Primary Care)

10 HOSPITAL DR, SUITE 303
HOLYOKE, MA 01040

Hampden County (413) 539-6830

DHIRENDRA MOHAN MDPC

Internal Medicine (Cardiovascular Disease)

10 HOSPITAL DR, SUITE 302
HOLYOKE, MA 01040

Hampden County (413) 539-9859

LOUIS G. PETCU, M.D., P.C.

Otolaryngology (Otolaryngic Allergy)

10 HOSPITAL DR, STE 103
HOLYOKE, MA 01040

Hampden County (413) 538-8899

MOHAMMAD S BAJWA MD PC

Internal Medicine

10 HOSPITAL DR, SUITE 310
HOLYOKE, MA 01040

Hampden County (413) 533-7772

DR. MOHAMMAD SALEEM BAJWA MD

Internal Medicine (Pulmonary Disease)

10 HOSPITAL DR, STE 310
HOLYOKE, MA 01040

Hampden County (413) 533-7772

NOAH EPSTEIN M.D.

Orthopaedic Surgery

10 HOSPITAL DR, SUITE 203
HOLYOKE, MA 01040

Hampden County (413) 536-5814

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 Robert Weiss's NPI number?

The NPI number for Robert Weiss is 1861575953. It was assigned to this individual provider in the NPPES registry on October 23, 2006.

Where is Robert Weiss located?

Robert Weiss practices at 10 Hospital Dr Ste 102, Holyoke, MA 01040. The listed phone number is (413) 534-1132.

What is Robert Weiss's specialty?

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

Is Robert Weiss enrolled in Medicare?

Yes. Robert Weiss 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.

Which organization bills Medicare for Robert Weiss's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Weiss reassigns Medicare benefits to Pioneer Valley Gastroenterology Associates, PC (Holyoke, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Robert Weiss's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Robert Weiss accept?

Health plans from Anthem Blue Cross and Blue Shield list Robert Weiss 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 Robert Weiss affiliated with any hospitals?

According to CMS data, Robert Weiss is affiliated with Cooley Dickinson Hospital Inc,the and Holyoke Medical Center.

When was this NPI record last updated?

The NPPES record for Robert Weiss was last updated on February 11, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.