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Obstetrics/Gynecology

Joseph M. Knapp, DO

Works at hospitals in Elkton, MD · Maryland

Summary

Joseph M. Knapp, DO (Obstetrics/Gynecology) is listed by Medicare at 1 hospital in Elkton, MD. NPI 1154372084. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Joseph M. Knapp, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
35Years since medical school (graduated 1991)
Philadelphia College Of Osteopathic MedicineMedical school
MaleGender (as listed)
Union Hospital of Cecil CountyGroup practice (+1 more)

Quick answers

Which hospitals does Joseph M. Knapp work at?
Medicare's official clinician data lists Joseph M. Knapp at 1 hospital: Union Hospital of Cecil County. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Joseph M. Knapp see patients?
Medicare's clinician data lists 2 practice locations, including Elkton, MD and Newark, DE. Call before your visit to confirm the address.
What is Joseph M. Knapp's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Joseph M. Knapp accept Medicare assignment?
Yes. Medicare's clinician data says Joseph M. Knapp accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Joseph M. Knapp?
(302) 643-2500, as listed in official Medicare / NPI Registry data.
What is Joseph M. Knapp's NPI number?
1154372084. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Joseph M. Knapp works

Medicare's Facility Affiliation Data lists Joseph M. Knapp at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Joseph M. Knapp is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Joseph M. Knapp as a member of these groups (CMS data updated 2026-10-02).

  • Union Hospital of Cecil County288 clinicians in the group
  • Womens Healthcare Consultants Inc2 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Maryland →

Other OB-GYNs in Elkton

Clinicians with the same Medicare primary specialty in Elkton, MD — not a recommendation.

All OB-GYNs in Elkton →

Clinician information

CredentialDO
Medical schoolPhiladelphia College Of Osteopathic Medicine
Graduation year1991
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1154372084
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians