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Radiation Oncology

Richard J. Ditlow Jr., MD

Works at hospitals in Carlisle, PA · York, PA · Harrisburg, PA · Pennsylvania

Summary

Dr. Richard J. Ditlow Jr., MD is a radiation oncologist at 4300 Londonderry Rd Msp Level, Harrisburg, PA 17109. Phone: (717) 724-6740. Accepts Medicare assignment. In 2024, Richard J. Ditlow Jr. had 48 Original Medicare patients and 60 services. NPI 1356335863. 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: Radiation oncologist (Medicare lists Radiation Oncology)
  • Address: 4300 Londonderry Rd Msp Level, Harrisburg, PA 17109 · Directions
  • Phone: (717) 724‑6740
  • Medicare: Accepts Medicare assignment
  • Hospitals: UPMC Carlisle, UPMC Memorial, UPMC Pinnacle Hospitals
  • Group practice: Pinnacle Health Medical Services
  • Medical school: Temple University School Of Medicine · graduated 1974 (52 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Richard J. Ditlow Jr., 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 Richard J. Ditlow Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Richard J. Ditlow Jr. 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 Richard J. Ditlow Jr. see?
In 2024, CMS data shows 48 Original Medicare patients and 60 services for Richard J. Ditlow Jr.. This counts Original Medicare only and measures volume, not quality.
What is Richard J. Ditlow Jr.'s NPI number?
1356335863. 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 Richard J. Ditlow Jr., 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 patients48
Services billed to Medicare60
Different services or procedures7
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Radiation treatment management, 5 treatment sessions (77427)16 services
  2. Ct guidance for insertion of radiation therapy fields (77014)14 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 blood pressure75%
  • High cholesterol75%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
  • Arthritis44%
  • Chronic kidney disease42%
  • Ischemic heart disease40%

Hospitals where Richard J. Ditlow Jr. works

Medicare's Facility Affiliation Data lists Richard J. Ditlow Jr. 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.

  • UPMC CarlisleCarlisle, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390058
  • UPMC MemorialYork, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390101
  • UPMC Pinnacle HospitalsHarrisburg, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390067

Practice locations

Addresses where Richard J. Ditlow Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Pinnacle Health Medical Services1,019 clinicians in the group

Specialties

Find other Radiation Oncology doctors in Pennsylvania →

Other radiation oncologists in Harrisburg

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

All radiation oncologists in Harrisburg →

Other clinicians in Pinnacle Health Medical Services

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

Clinician information

CredentialMD
Medical schoolTemple University School Of Medicine
Graduation year1974 (52 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1356335863
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