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General Surgery

Sandra Tomlinson-Hansen, MD

Works at hospitals in Lowell, MA · Massachusetts

Summary

Dr. Sandra Tomlinson-Hansen, MD is a general surgeon at 275 Varnum Ave, Suite 203, Lowell, MA 01854. Phone: (978) 458-4300. Accepts Medicare assignment. In 2024, Sandra Tomlinson-Hansen had 31 Original Medicare patients and 88 services. NPI 1225561814. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: General surgeon (Medicare lists General Surgery)
  • Address: 275 Varnum Ave, Suite 203, Lowell, MA 01854 · Directions
  • Phone: (978) 458‑4300
  • Medicare: Accepts Medicare assignment
  • Hospital: Lowell General Hospital
  • Group practice: Riverside Surgical Associates, PC
  • Medical school: Temple University School Of Medicine · graduated 2017 (9 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sandra Tomlinson-Hansen, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Sandra Tomlinson-Hansen accept Medicare assignment?
Yes. Medicare's clinician data says Sandra Tomlinson-Hansen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Sandra Tomlinson-Hansen see?
In 2024, CMS data shows 31 Original Medicare patients and 88 services for Sandra Tomlinson-Hansen. This counts Original Medicare only and measures volume, not quality.
What is Sandra Tomlinson-Hansen's NPI number?
1225561814. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Sandra Tomlinson-Hansen, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients31
Services billed to Medicare88
Different services or procedures20
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)19 services
  2. Partial removal of breast (19301)12 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure74%
  • High cholesterol74%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)68%

Hospitals where Sandra Tomlinson-Hansen works

Medicare's Facility Affiliation Data lists Sandra Tomlinson-Hansen at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Lowell General HospitalLowell, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220063

Practice locations

Addresses where Sandra Tomlinson-Hansen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sandra Tomlinson-Hansen as a member of this group (CMS data updated October 2, 2026).

  • Riverside Surgical Associates, PC9 clinicians in the group

Specialties

Find other General Surgery doctors in Massachusetts →

Other general surgeons in Lowell

Clinicians with the same Medicare primary specialty in Lowell, MA — not a recommendation.

All general surgeons in Lowell →

Other clinicians in Riverside Surgical Associates, PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolTemple University School Of Medicine
Graduation year2017 (9 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1225561814
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians