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Obstetrics/Gynecology

Hannah Caldwell, MD

Works at hospitals in Worcester, MA · Massachusetts

Summary

Dr. Hannah Caldwell, MD is an OB-GYN at 295 Varnum Ave, Lowell, MA 01854. May accept Medicare assignment. NPI 1538800578. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 295 Varnum Ave, Lowell, MA 01854 · Directions
  • Medicare: May accept Medicare assignment
  • Hospital: UMass Memorial Medical Center/University Campus
  • Medical school: University Of Chicago, Pritzker School Of Medicine · graduated 2022 (4 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Hannah Caldwell, 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 Hannah Caldwell accept Medicare assignment?
Medicare's clinician data says Hannah Caldwell may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Hannah Caldwell's NPI number?
1538800578. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Hannah Caldwell works

Medicare's Facility Affiliation Data lists Hannah Caldwell 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.

Practice locations

Addresses where Hannah Caldwell is enrolled with Medicare (CMS data updated October 2, 2026).

  • 295 Varnum AveLowell, MA 01854

Specialties

Find other Obstetrics/Gynecology doctors in Massachusetts →

Other OB-GYNs in Lowell

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

All OB-GYNs in Lowell →

Clinician information

CredentialMD
Medical schoolUniversity Of Chicago, Pritzker School Of Medicine
Graduation year2022 (4 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1538800578
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians