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Obstetrics/Gynecology

Stephen L. Segrave-Daly, MD

Works at hospitals in Harrisburg, PA · Pennsylvania

Summary

Dr. Stephen L. Segrave-Daly, MD is an OB-GYN at 8105 Adams Dr, Suite B, Hummelstown, PA 17036. Phone: (717) 482-8115. Accepts Medicare assignment. In 2024, Stephen L. Segrave-Daly had 61 Original Medicare patients and 114 services. NPI 1336101963. 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: 8105 Adams Dr, Suite B, Hummelstown, PA 17036 · Directions
  • Phone: (717) 482‑8115
  • Medicare: Accepts Medicare assignment
  • Hospital: UPMC Pinnacle Hospitals
  • Group practice: Pinnacle Health Medical Services
  • Medical school: Medical College Of Pennsylvania · graduated 1984 (42 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Stephen L. Segrave-Daly, 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 Stephen L. Segrave-Daly accept Medicare assignment?
Yes. Medicare's clinician data says Stephen L. Segrave-Daly 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 Stephen L. Segrave-Daly see?
In 2024, CMS data shows 61 Original Medicare patients and 114 services for Stephen L. Segrave-Daly. This counts Original Medicare only and measures volume, not quality.
What is Stephen L. Segrave-Daly's NPI number?
1336101963. 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 Stephen L. Segrave-Daly, 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 patients61
Services billed to Medicare114
Different services or procedures17
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)38 services
  2. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)26 services
  3. Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina (76830)15 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 pressure54%
  • Arthritis51%
  • Anxiety30%
  • Osteoporosis30%
  • Depression28%

Hospitals where Stephen L. Segrave-Daly works

Medicare's Facility Affiliation Data lists Stephen L. Segrave-Daly 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 Stephen L. Segrave-Daly is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Stephen L. Segrave-Daly as a member of this group (CMS data updated October 2, 2026).

  • Pinnacle Health Medical Services1,019 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Pennsylvania →

Other OB-GYNs in Hummelstown

Clinicians with the same Medicare primary specialty in Hummelstown, PA — not a recommendation.

All OB-GYNs in Hummelstown →

Other clinicians in Pinnacle Health Medical Services

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

Clinician information

CredentialMD
Medical schoolMedical College Of Pennsylvania
Graduation year1984 (42 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1336101963
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