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Obstetrics/Gynecology

Patricia C. Montemayor, MD

Works at hospitals in Lowell, MA · Massachusetts

Summary

Dr. Patricia C. Montemayor, MD is an OB-GYN at 295 Varnum Ave, Lowell, MA 01854. Phone: (978) 788-7344. Accepts Medicare assignment. NPI 1255332037. 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
  • Phone: (978) 788‑7344
  • Medicare: Accepts Medicare assignment
  • Hospital: Lowell General Hospital
  • Group practice: LGH Medical Group, Inc.
  • Medical school: Texas A & M University System, Hsc, College Of Medicine · graduated 1991 (35 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Patricia C. Montemayor, 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 Patricia C. Montemayor accept Medicare assignment?
Yes. Medicare's clinician data says Patricia C. Montemayor 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.
What is Patricia C. Montemayor's NPI number?
1255332037. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Patricia C. Montemayor works

Medicare's Facility Affiliation Data lists Patricia C. Montemayor 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 Patricia C. Montemayor is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Patricia C. Montemayor as a member of this group (CMS data updated October 2, 2026).

  • LGH Medical Group, Inc.166 clinicians in the group

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 →

Other clinicians in LGH Medical Group, Inc.

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

Clinician information

CredentialMD
Medical schoolTexas A & M University System, Hsc, College Of Medicine
Graduation year1991 (35 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1255332037
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