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Obstetrics/Gynecology

Stephanie J. Cummings, MD

Works at hospitals in Summit, NJ · New Jersey

Summary

Dr. Stephanie J. Cummings, MD is an OB-GYN at 1 Diamond Hill Rd, Berkeley Heights, NJ 07922. Phone: (908) 273-4300. Accepts Medicare assignment. In 2024, Stephanie J. Cummings had 131 Original Medicare patients and 203 services. NPI 1548598063. 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: 1 Diamond Hill Rd, Berkeley Heights, NJ 07922 · Directions
  • Phone: (908) 273‑4300
  • Medicare: Accepts Medicare assignment
  • Hospital: Overlook Medical Center
  • Group practice: Summit Medical Group PA
  • Medical school: graduated 2009 (17 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Stephanie J. Cummings, 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 Stephanie J. Cummings accept Medicare assignment?
Yes. Medicare's clinician data says Stephanie J. Cummings 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 Stephanie J. Cummings see?
In 2024, CMS data shows 131 Original Medicare patients and 203 services for Stephanie J. Cummings. This counts Original Medicare only and measures volume, not quality.
What is Stephanie J. Cummings's NPI number?
1548598063. 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 Stephanie J. Cummings, 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 patients131
Services billed to Medicare203
Different services or procedures25
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)84 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)43 services
  3. Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)22 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 pressure58%
  • Arthritis47%
  • Osteoporosis36%
  • Anxiety20%
  • Ischemic heart disease18%

Hospitals where Stephanie J. Cummings works

Medicare's Facility Affiliation Data lists Stephanie J. Cummings 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 Stephanie J. Cummings is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Stephanie J. Cummings as a member of this group (CMS data updated October 2, 2026).

  • Summit Medical Group PA1,212 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in New Jersey →

Other OB-GYNs in Berkeley Heights

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

All OB-GYNs in Berkeley Heights →

Other clinicians in Summit Medical Group PA

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

Clinician information

CredentialMD
Graduation year2009 (17 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1548598063
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