DR. MICHAL GANZ M.D, M.S.
NPI 1811124522
Internal Medicine - Gastroenterology in Florence, MA

Q: What is Michal Ganz's NPI number?

The NPI number for Michal Ganz is 1811124522. It was assigned to this individual provider in the NPPES registry on June 20, 2009.

Q: What is Michal Ganz'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 Michal Ganz was last updated on June 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 June 20, 2009PECOS EnrolledAccepts Medicare Assignment

83.57/100

CMS Quality Rating

10 MAIN ST, FLORENCE, MA 01062(413) 586-8910(413) 586-9979 Get Directions Write a Review

NPPES record last updated: June 14, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 14, 2023, Jul 21, 2022, Mar 17, 2018 and 1 more (4 updates tracked since 2017).

On this page

About Dr. Michal Ganz M.d, M.s. NPPES

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

DR. MICHAL GANZ M.D, M.S. (NPI 1811124522) is an individual gastroenterology provider in Florence, Massachusetts, licensed in Massachusetts (249517) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS, is affiliated with Cooley Dickinson Hospital Inc,the, and maintains a secondary practice location in Northampton.

NPPES Registry Identity

NPI1811124522

Entity TypeIndividualFemale

Primary Taxonomy207RG0100X

Provider Legal NameDR. MICHAL GANZCredential: M.D, M.S.

Location Address10 MAIN STFlorence, MA 01062-3160

Mailing Address10 Main StFlorence, MA 01062-3160 · (413) 586-8910 · Fax (413) 586-9979

Phone(413) 586-8910

Fax(413) 586-9979

Sole ProprietorNo

Medical School CMSWarren Alpert Medical School Of Brown UniversityGraduated 2017

Enumeration DateJune 20, 2009

Last NPPES UpdateJune 14, 20234 updates tracked since enumeration

NPPES CertifiedJune 14, 2023

✔ NPI 1811124522 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 · 249517

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.

10 MAIN ST, Florence, MA 01062

Open in Google Maps ↗

Secondary Practice Location 1

Location 130 Locust StNorthampton, MA 01060-2052 · Phone (413) 582-2000

Accepted Insurance

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

Dr. Michal Ganz M.d, M.s. 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 ID5193999878

PECOS Enrollment IDI20111115000127

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 Reassignments

Medicare enrollment records show Michal Ganz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hampshire Gastroenterology Associates, LLC

Same address

Gastroenterology

10 MAIN ST
Florence, MA 01062

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

NPI 1144269077 (413) 586-8910

Mass General Brigham Medical Group Western Massachusetts Inc

0.8 mi

Family Medicine

30 LOCUST ST
Northampton, MA 01060

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

NPI 1295787919 (413) 582-2898

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 14

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.

456 services396 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.

175 services173 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.

154 services152 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.

128 services120 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.

105 services104 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.

87 services87 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.

63 services63 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.

60 services59 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.

55 services55 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.

49 services19 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.

28 services19 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.

21 services20 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.

12 services12 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.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01062 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.

83.57/100

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

Scored as part of a group practice

Quality

67.14

Improvement Activities

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.

NORTHAMPTON CARDIOLOGY ASSOCIATES, INC.

Physician Assistant

10 MAIN ST
FLORENCE, MA 01062

Hampshire County (413) 584-1588

TRANSHEALTH, INC.

Internal Medicine

10 MAIN ST
FLORENCE, MA 01062

Hampshire County (413) 341-9400

PATRYCIA WITWICKI DUBE NP

Nurse Practitioner (Family)

10 MAIN ST
FLORENCE, MA 01062

Hampshire County (413) 584-1588

BARBARA DAVIS LICSW

Social Worker (Clinical)

10 MAIN ST
FLORENCE, MA 01062

Hampshire County (413) 586-8550

CLINICAL AND SUPPORT OPTIONS

Clinic/Center (Mental Health (Including Community Mental Health Center))

10 MAIN ST, 3RD FLOOR
FLORENCE, MA 01062

Hampshire County (413) 582-0471

EDITH HOWE PH.D.

Psychologist (Clinical)

10 MAIN ST
FLORENCE, MA 01062

Hampshire County (413) 586-8550

AMARA LEIPZIG

Social Worker (Clinical)

10 MAIN ST
FLORENCE, MA 01062

Hampshire County (413) 341-9400

HAMPSHIRE GASTROENTEROLOGY ASSOCIATES, LLC

Internal Medicine (Gastroenterology)

10 MAIN ST
FLORENCE, MA 01062

Hampshire County (413) 586-8910

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 Michal Ganz's NPI number?

The NPI number for Michal Ganz is 1811124522. It was assigned to this individual provider in the NPPES registry on June 20, 2009.

Where is Michal Ganz located?

Michal Ganz practices at 10 Main St, Florence, MA 01062. The listed phone number is (413) 586-8910.

What is Michal Ganz's specialty?

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

Is Michal Ganz enrolled in Medicare?

Yes. Michal Ganz 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 organizations bill Medicare for Michal Ganz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michal Ganz reassigns Medicare benefits to 2 organizations: Hampshire Gastroenterology Associates, LLC (Florence, MA) and Mass General Brigham Medical Group Western Massachusetts Inc (Northampton, MA). Each 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 Michal Ganz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michal Ganz accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Michal Ganz 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 Michal Ganz affiliated with any hospitals?

According to CMS data, Michal Ganz is affiliated with Cooley Dickinson Hospital Inc,the.

When was this NPI record last updated?

The NPPES record for Michal Ganz was last updated on June 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.