Quick answers
- Does Lawrence B. Zimmerman accept Medicare assignment?
- Yes. Medicare's clinician data says Lawrence B. Zimmerman 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 Lawrence B. Zimmerman see?
- In 2024, CMS data shows 150 Original Medicare patients and 1,301 services for Lawrence B. Zimmerman. This counts Original Medicare only and measures volume, not quality.
- What is Lawrence B. Zimmerman's NPI number?
- 1780675397. 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 Lawrence B. Zimmerman, 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 patients | 150 |
|---|---|
| Services billed to Medicare | 1,301 |
| Different services or procedures | 38 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Insertion of needle into vein for collection of blood sample (36415)231 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)141 services
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)112 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)102 services
- Blood test, comprehensive group of blood chemicals (80053)96 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%
- Arthritis50%
- Diabetes34%
- Ischemic heart disease33%
- Chronic kidney disease27%
Hospitals where Lawrence B. Zimmerman works
Medicare's Facility Affiliation Data lists Lawrence B. Zimmerman 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.
- Penn State Health Holy Spirit Medical CenterCamp Hill, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390004
- UPMC Pinnacle HospitalsHarrisburg, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390067
Practice locations
Addresses where Lawrence B. Zimmerman is enrolled with Medicare (CMS data updated October 2, 2026).
- 108 Lowther StLemoyne, PA 17043 (717) 774‑1366
Group practices
Medicare enrollment lists Lawrence B. Zimmerman as a member of this group (CMS data updated October 2, 2026).
- Internists of Central Pennsylvania Ltd.17 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Lemoyne
Clinicians with the same Medicare primary specialty in Lemoyne, PA — not a recommendation.
Other clinicians in Internists of Central Pennsylvania Ltd.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Pennsylvania State University College Of Medicine |
| Graduation year | 1978 (48 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780675397 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians