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Obstetrics/Gynecology

Helen Simigiannis, MD

Works at hospitals in Freehold, NJ · Red Bank, NJ · Hamilton, NJ … · New Jersey

Summary

Dr. Helen Simigiannis, MD is an OB-GYN at 1 Diamond Hill Rd, Berkeley Heights, NJ 07922. Phone: (908) 273-4300. Accepts Medicare assignment. In 2024, Helen Simigiannis had 409 Original Medicare patients and 806 services. NPI 1366497265. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Helen Simigiannis, 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 Helen Simigiannis accept Medicare assignment?
Yes. Medicare's clinician data says Helen Simigiannis 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 Helen Simigiannis see?
In 2024, CMS data shows 409 Original Medicare patients and 806 services for Helen Simigiannis. This counts Original Medicare only and measures volume, not quality.
What is Helen Simigiannis's NPI number?
1366497265. 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 Helen Simigiannis, 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 patients409
Services billed to Medicare806
Different services or procedures39
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)262 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)243 services
  3. Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)39 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)36 services
  5. Detection test by nucleic acid for human papillomavirus (hpv), high-risk types (87624)21 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 pressure63%
  • Arthritis55%
  • Osteoporosis32%
  • Anxiety31%
  • Depression19%

Hospitals where Helen Simigiannis works

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

Group practices

Medicare enrollment lists Helen Simigiannis 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 year1999 (27 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1366497265
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