WINNIE SZETO MD
NPI 1588899504
Internal Medicine - Gastroenterology in Lowell, MA

Active since May 19, 2009PECOS EnrolledAccepts Medicare Assignment
41 WELLMAN ST STE 400, LOWELL, MA 01851(978) 459-6737(855) 818-1869 Get Directions Write a Review

NPPES record last updated: January 8, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 8, 2025, Jul 31, 2020, Jan 10, 2020 and 2 more (5 updates tracked since 2017).

About Winnie Szeto Md NPPES

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

WINNIE SZETO MD (NPI 1588899504) is an individual gastroenterology provider in Lowell, Massachusetts, licensed in Massachusetts (266762) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS, is affiliated with Lawrence General Hospital, and is a graduate of Tufts University School Of Medicine (2009).

NPPES Registry Identity

NPI1588899504
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameWINNIE SZETOCredential: MD
Location Address41 WELLMAN ST STE 400Lowell, MA 01851-5161
Mailing Address41 Wellman St Ste 400Lowell, MA 01851-5161 · (617) 562-5432
Fax(855) 818-1869
Sole ProprietorNo
Medical School CMSTufts University School Of MedicineGraduated 2009
Enumeration DateMay 19, 2009
Last NPPES UpdateJanuary 8, 20255 updates tracked since enumeration
NPPES CertifiedJanuary 8, 2025
NPI 1588899504 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 · 266762
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 266762 (MA)
41 WELLMAN ST STE 400, Lowell, MA 01851

Accepted 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

Winnie Szeto 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 ID9931485323
PECOS Enrollment IDI20170623001556
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 10

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.
99 services79 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.
72 services72 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
51 services36 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.
45 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.
38 services38 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.
30 services30 patients

Hospital Affiliations CMS Care Compare 2

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

Lawrence General Hospital

Acute Care Hospitals · Lawrence, MA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220010
LocationOne General StreetLawrence, MA 01842 · Essex County
Emergency services Birthing friendly

Lowell General Hospital

Acute Care Hospitals · Lowell, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220063
Location295 Varnum AvenueLowell, MA 01854 · Middlesex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01851 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.

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Gastroenterology)
41 WELLMAN ST STE 400
LOWELL, MA 01851
Internal Medicine
41 WELLMAN ST STE 400
LOWELL, MA 01851
Internal Medicine (Gastroenterology)
41 WELLMAN ST STE 400
LOWELL, MA 01851
Internal Medicine (Gastroenterology)
41 WELLMAN ST STE 400
LOWELL, MA 01851
Internal Medicine (Gastroenterology)
41 WELLMAN ST STE 400
LOWELL, MA 01851
Internal Medicine (Gastroenterology)
41 WELLMAN ST STE 400
LOWELL, MA 01851
Internal Medicine (Gastroenterology)
41 WELLMAN ST STE 400
LOWELL, MA 01851
Anesthesiology
41 WELLMAN ST STE 400
LOWELL, MA 01851

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 Winnie Szeto's NPI number?

The NPI number for Winnie Szeto is 1588899504. It was assigned to this individual provider in the NPPES registry on May 19, 2009.

Where is Winnie Szeto located?

Winnie Szeto practices at 41 Wellman St Ste 400, Lowell, MA 01851. The listed phone number is (978) 459-6737.

What is Winnie Szeto's specialty?

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

Is Winnie Szeto enrolled in Medicare?

Yes. Winnie Szeto 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 Winnie Szeto accept?

Health plans from Anthem Blue Cross and Blue Shield and WellSense Health Plan list Winnie Szeto 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 Winnie Szeto affiliated with any hospitals?

According to CMS data, Winnie Szeto is affiliated with Lawrence General Hospital and Lowell General Hospital.

When was this NPI record last updated?

The NPPES record for Winnie Szeto was last updated on January 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.