Stephen L. Segrave-Daly, MD
Obstetrics & Gynecology Physician · Hummelstown, PA
Stephen L. Segrave-Daly, MD is an obstetrics & gynecology physician with a practice address in Hummelstown, Pennsylvania, and NPI 1336101963, issued on Apr 6, 2006. Check the license (Pennsylvania MD035795, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Stephen L. Segrave-Daly
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- MD035795 PA
Self-reported in NPPES; status is on the state search - Practice location
- 8105 Adams Dr Ste B, Hummelstown, PA 17036
- Phone
- (717) 482-8115
- Enumerated
- Apr 6, 2006
- Record last updated
- Jan 14, 2026
- Fax
- (717) 482-8364
- Medicaid ID
- 001190278004 PA
- Medicare enrollment
- Enrolled (PECOS I20070509000444); accepts Medicare assignment
- Medical or professional school
- Medical College Of Pennsylvania, 1984
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,974 in Pennsylvania → Look up another NPI →
Also registered at 8105 Adams Dr Ste B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicole Duffy, PA-CMedical Physician Assistant1588066997
- O'Hara Haley, MDObstetrics & Gynecology Physician1184253452
- Jane Hayden, CNMAdvanced Practice Midwife1053545160
- Sandra Hoops, CNMAdvanced Practice Midwife1013946607
- Rachel Marrero, CRNPNurse Practitioner1043988900
Verify Stephen L. Segrave-Daly in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD035795Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
142 Medicare Part D claims for 42 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Estradiol28 claims
- Nitrofurantoin Mono-Macro17 claims
- Zolpidem Tartrate14 claims
- Estradiol-Norethindrone Acetat11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 82.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $47.70
2 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Pinnacle Health Medical ServicesHummelstown, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen L. Segrave-Daly among 1,974 obstetrics & gynecology physician records in Pennsylvania
Stephen L. Segrave-Daly, MD is one of 1,974 obstetrics & gynecology physician records with a practice address in Pennsylvania. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 56% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1984 · median 2007 among the 1,176 with a school on file
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 obstetrics & gynecology physician records list a practice address in Hummelstown
They are 6 of the 322 NPPES records with a practice address in Hummelstown, and 1,974 obstetrics & gynecology physician records in Pennsylvania.
All 1,974 in Pennsylvania → Every provider in Hummelstown → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Bridget Berich, D.O.Hummelstown, PA 170361609805274
- O'Hara Haley, MDHummelstown, PA 170361184253452
- Gary Lewis, D.O.Hummelstown, PA 170361063435188
- John Mantione, MDHummelstown, PA 170361508895178
- Edward Woodward, MDHummelstown, PA 170361861421422
- Michael Belmonte, MDHershey, PA 170331265962039
- Jacqueline Bissonette, MDHershey, PA 170331780175430
- Emily Bowen, DOHershey, PA 170331831831577
Common questions
What is Stephen L. Segrave-Daly, MD's NPI number?
Stephen L. Segrave-Daly, MD's National Provider Identifier (NPI) is 1336101963, issued on Apr 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen L. Segrave-Daly, MD located?
The NPPES record lists a practice address at 8105 Adams Dr Ste B, Hummelstown, PA, 17036. Phone: (717) 482-8115. Providers update this record themselves, so call before visiting.
How can I verify Stephen L. Segrave-Daly, MD's license?
NPPES lists Pennsylvania license number MD035795, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stephen L. Segrave-Daly, MD prescribe under Medicare Part D?
In 2024, Stephen L. Segrave-Daly, MD had 142 Medicare Part D claims for 42 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Stephen L. Segrave-Daly, MD's MIPS final score?
The 2023 MIPS final score is 82.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.