BRETT HASSAN M.D.
NPI 1376679761
Internal Medicine - Gastroenterology in Milford, MA

Q: What is Brett Hassan's NPI number?

The NPI number for Brett Hassan is 1376679761. It was assigned to this individual provider in the NPPES registry on February 27, 2007.

Q: What is Brett Hassan'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 Brett Hassan was last updated on April 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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 February 27, 2007PECOS EnrolledAccepts Medicare Assignment

75/100

CMS Quality Rating

215 WEST ST, MILFORD, MA 01757(508) 478-6366(508) 473-2636 Get Directions Write a Review

NPPES record last updated: April 2, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Brett Hassan M.d. NPPES

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

BRETT HASSAN M.D. (NPI 1376679761) is an individual gastroenterology provider in Milford, Massachusetts, licensed in Massachusetts (238133) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with Milford Regional Medical Center, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1376679761

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameBRETT HASSANCredential: M.D.

Location Address215 WEST STMilford, MA 01757-2277

Mailing Address215 West StMilford, MA 01757-2277 · (508) 478-6363 · Fax (508) 473-2636

Phone(508) 478-6366

Fax(508) 473-2636

Sole ProprietorNo

Medical School CMSUniversity Of Massachusetts Medical SchoolGraduated 2006

Enumeration DateFebruary 27, 2007

Last NPPES UpdateApril 2, 2026

NPPES CertifiedApril 2, 2026

✔ NPI 1376679761 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 · 238133

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.

215 WEST ST, Milford, MA 01757

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Secondary Practice Locations 3

Location 155 Lake Ave NWorcester, MA 01655-0002 · Phone (508) 334-3068

Location 228 Newton StSouthborough, MA 01772-1215 · Phone (508) 334-3068

Location 321 Eastern AveWorcester, MA 01605-3094 · Phone (508) 334-8419

Other Identifiers 1

Medicaid110092623AMA

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, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Brett Hassan M.d. 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 ID1951557867

PECOS Enrollment IDI20120808000893

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 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.

255 services195 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

209 services206 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.

188 services111 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.

127 services127 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.

122 services117 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.

80 services80 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.

73 services70 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.

70 services70 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.

16 services16 patients

Injection beneath lining of large bowel using a flexible endoscope 45381

This procedure involves a flexible tube, called an endoscope, being inserted into the large bowel. A small needle is then passed through the tube to inject medication under the bowel lining. This is typically done to treat inflammation or bleeding.

15 services15 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.

13 services11 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.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Milford Regional Medical Center

Acute Care Hospitals · Milford, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number220090

Location14 Prospect StreetMilford, MA 01757 · Worcester County

Emergency services Birthing friendly

Umass Memorial Medical Center/University Campus

Acute Care Hospitals · Worcester, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220163

Location55 Lake Avenue NorthWorcester, MA 01655 · Worcester County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01757 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.

75/100

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

Individually scored

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.

MOLLY SULLIVAN BERRY MA

Social Worker

215 WEST ST
MILFORD, MA 01757

Worcester County (508) 902-0080

DR. AJAY K BATRA MD

Internal Medicine (Gastroenterology)

215 WEST ST
MILFORD, MA 01757

Worcester County (508) 478-6363

NICOLE ELIZABETH-ANNE PAOLO

Physician Assistant

215 WEST ST
MILFORD, MA 01757

Worcester County (508) 478-0055

MRS. MARIA VERONICA VIVAS M.SCCC-A

Audiologist

215 WEST ST
MILFORD, MA 01757

Worcester County (508) 478-0723

DR. PARHAM SAFAIE SEMNANI MD

Internal Medicine (Gastroenterology)

215 WEST ST
MILFORD, MA 01757

Worcester County (508) 478-6363

SEAN FOLEY

Physician Assistant

215 WEST ST
MILFORD, MA 01757

Worcester County (508) 478-6363

KATHERINE KELLEY

Nurse Practitioner (Family)

215 WEST ST
MILFORD, MA 01757

Worcester County (508) 478-6363

ERICA J SUAZO CNP

Nurse Practitioner (Adult Health)

215 WEST ST
MILFORD, MA 01757

Worcester County (508) 478-6363

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 Brett Hassan's NPI number?

The NPI number for Brett Hassan is 1376679761. It was assigned to this individual provider in the NPPES registry on February 27, 2007.

Where is Brett Hassan located?

Brett Hassan practices at 215 West St, Milford, MA 01757. The listed phone number is (508) 478-6366.

What is Brett Hassan's specialty?

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

Is Brett Hassan enrolled in Medicare?

Yes. Brett Hassan 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 Brett Hassan accept?

Health plans from Anthem Blue Cross and Blue Shield list Brett Hassan 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 Brett Hassan affiliated with any hospitals?

According to CMS data, Brett Hassan is affiliated with Milford Regional Medical Center and Umass Memorial Medical Center/University Campus.

When was this NPI record last updated?

The NPPES record for Brett Hassan was last updated on April 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.