Gerard F. Klinzing, MD

Medicare activity in 2024

Official CMS public-use data for Gerard F. Klinzing, 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.

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)370 services
2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)308 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)21 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%
• Arthritis54%
• Ischemic heart disease34%
• Depression34%
• Osteoporosis34%

Hospitals where Gerard F. Klinzing works

Medicare's Facility Affiliation Data lists Gerard F. Klinzing 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
• Main Line Hospital LankenauWynnewood, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390195

Practice locations

Addresses where Gerard F. Klinzing is enrolled with Medicare (CMS data updated October 2, 2026).

• 3300 Darby RdHaverford, PA 19041 (610) 658‑7498
• 830 Old Lancaster RdBryn Mawr, PA 19010
• 933 E Haverford RdBryn Mawr, PA 19010
• 933 E Haverford Rd, Suite 150Bryn Mawr, PA 19010 (484) 337‑5314

Group practices

Medicare enrollment lists Gerard F. Klinzing as a member of this group (CMS data updated October 2, 2026).

• Main Line Healthcare1,184 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Pennsylvania →

Other family doctors in Pennsylvania

Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.

• Andrew D. Rosner, MD
• Emmelyn A. Luu, MD
• Asima N. Ahmad, DO
• Edward C. Hennis, MD
• Emaad Basith, MD
• Shrina A. Patel, DO
• Nichole L. Hossler, MD
• Travis D. Miller, DO

All family doctors in Pennsylvania →

Other clinicians in Main Line Healthcare

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

• Karen Grundy, CP
• Mariano Brizzio, MD
• Christopher Bruno, DO
• Allison T. Hannan, MD
• Eun M. Kim
• Eric A. Nowaczyk, NP

Clinician information

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