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Obstetrics/Gynecology

Lisa E. Abeshaus, MD

Works at hospitals in Summit, NJ · New Jersey

Summary

Dr. Lisa E. Abeshaus, MD is an OB-GYN at 33 Overlook Rd, Suite 108, Summit, NJ 07901. Phone: (973) 736-1100. Accepts Medicare assignment. In 2024, Lisa E. Abeshaus had 112 Original Medicare patients and 221 services. NPI 1134194624. 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: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 33 Overlook Rd, Suite 108, Summit, NJ 07901 · Directions
  • Phone: (973) 736‑1100
  • Medicare: Accepts Medicare assignment
  • Hospital: Overlook Medical Center
  • Group practice: Regional Womens Health Group LLC
  • Medical school: Geisel School Of Medicine At Dartmouth · graduated 1990 (36 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Lisa E. Abeshaus, 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 Lisa E. Abeshaus accept Medicare assignment?
Yes. Medicare's clinician data says Lisa E. Abeshaus 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 Lisa E. Abeshaus see?
In 2024, CMS data shows 112 Original Medicare patients and 221 services for Lisa E. Abeshaus. This counts Original Medicare only and measures volume, not quality.
What is Lisa E. Abeshaus's NPI number?
1134194624. 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 Lisa E. Abeshaus, 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 patients112
Services billed to Medicare221
Different services or procedures17
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)76 services
  2. Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)44 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)29 services
  4. Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina (76830)20 services
  5. Limited ultrasound scan of pelvis (76857)13 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 cholesterol75%
  • High blood pressure50%
  • Arthritis44%
  • Osteoporosis38%
  • Anxiety29%
  • Diabetes18%

Hospitals where Lisa E. Abeshaus works

Medicare's Facility Affiliation Data lists Lisa E. Abeshaus 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.

  • Overlook Medical CenterSummit, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310051

Practice locations

Addresses where Lisa E. Abeshaus is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Lisa E. Abeshaus as a member of this group (CMS data updated October 2, 2026).

  • Regional Womens Health Group LLC354 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in New Jersey →

Other OB-GYNs in Summit

Clinicians with the same Medicare primary specialty in Summit, NJ — not a recommendation.

All OB-GYNs in Summit →

Other clinicians in Regional Womens Health Group LLC

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

Clinician information

CredentialMD
Medical schoolGeisel School Of Medicine At Dartmouth
Graduation year1990 (36 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1134194624
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