Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Family Practice

Joel R. Lowenthal, MD

Works at hospitals in Bryn Mawr, PA · Pennsylvania

Summary

Dr. Joel R. Lowenthal, MD is a family doctor at 830 Old Lancaster Rd, Bryn Mawr, PA 19010. Phone: (641) 527-2231. Accepts Medicare assignment. In 2024, Joel R. Lowenthal had 66 Original Medicare patients and 439 services. NPI 1760514202. 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: Family doctor (Medicare lists Family Practice)
  • Address: 830 Old Lancaster Rd, Bryn Mawr, PA 19010 · Directions
  • Phone: (641) 527‑2231
  • Medicare: Accepts Medicare assignment
  • Hospital: Bryn Mawr Hospital
  • Medical school: Perelman School Of Med At The University Of Pennsylvania · graduated 1963 (63 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Joel R. Lowenthal, 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 Joel R. Lowenthal accept Medicare assignment?
Yes. Medicare's clinician data says Joel R. Lowenthal 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 Joel R. Lowenthal see?
In 2024, CMS data shows 66 Original Medicare patients and 439 services for Joel R. Lowenthal. This counts Original Medicare only and measures volume, not quality.
What is Joel R. Lowenthal's NPI number?
1760514202. 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 Joel R. Lowenthal, 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 patients66
Services billed to Medicare439
Different services or procedures13
Participating Medicare providerYes
Average age of these patients80

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)126 services
  2. Urinalysis, manual test (81002)76 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)71 services
  4. Administration of influenza virus vaccine (G0008)51 services
  5. Influenza vaccine split virus, preservative free (90662)50 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 pressure61%
  • Osteoporosis48%
  • Arthritis39%
  • Diabetes33%
  • Ischemic heart disease26%

Hospitals where Joel R. Lowenthal works

Medicare's Facility Affiliation Data lists Joel R. Lowenthal 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.

  • Bryn Mawr HospitalBryn Mawr, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390139

Practice locations

Addresses where Joel R. Lowenthal is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Family Practice doctors in Pennsylvania →

Other family doctors in Bryn Mawr

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

All family doctors in Bryn Mawr →

Clinician information

CredentialMD
Medical schoolPerelman School Of Med At The University Of Pennsylvania
Graduation year1963 (63 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1760514202
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