LAWRENCE D APPEL MD
NPI 1952375453
Internal Medicine in Harrisburg, PA
About Lawrence D Appel Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LAWRENCE D APPEL MD (NPI 1952375453) is an individual internal medicine provider in Harrisburg, Pennsylvania, licensed in Pennsylvania (MD445949) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Upmc Pinnacle Hospitals, and is a graduate of University Of Miami, Lm Miller School Of Medicine (1992).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Other Identifiers 9
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Lawrence D Appel Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Lawrence Appel reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Harrisburg, PA 17109
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,902 clinicians in this Medicare group
Harrisburg, PA 17109
- Reassigned Medicare billing, Pennsylvania enrollment
- 322 clinicians in this Medicare group
Harrisburg, PA 17104
- Reassigned Medicare billing, Pennsylvania enrollment
- 468 clinicians in this Medicare group
Harrisburg, PA 17101
- Reassigned Medicare billing, Pennsylvania enrollment
- 65 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Upmc Pinnacle Hospitals
Acute Care Hospitals · Harrisburg, PAUpmc Memorial
Acute Care Hospitals · York, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 17109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Lawrence Appel's NPI number?
The NPI number for Lawrence Appel is 1952375453. It was assigned to this individual provider in the NPPES registry on February 14, 2006. The provider is also known as Larry D Appel.
Where is Lawrence Appel located?
Lawrence Appel practices at 4300 Londonderry Rd, Harrisburg, PA 17109. The listed phone number is (717) 231-8772.
What is Lawrence Appel's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Lawrence Appel enrolled in Medicare?
Yes. Lawrence Appel is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Lawrence Appel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lawrence Appel reassigns Medicare benefits to 4 organizations: Pinnacle Health Medical Services (Harrisburg, PA), Pinnacle Health Hospitalist Services LLC (Harrisburg, PA), Pinnacle Health Regional Physicians (Harrisburg, PA) and Pinnacle Health Observation Services LLC (Harrisburg, PA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lawrence Appel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Lawrence Appel affiliated with any hospitals?
According to CMS data, Lawrence Appel is affiliated with Upmc Pinnacle Hospitals and Upmc Memorial.
When was this NPI record last updated?
The NPPES record for Lawrence Appel was last updated on January 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Lawrence D Appel, MD · NPI 1952375453
Internal Medicine physician in Harrisburg, Pennsylvania. Individual provider, active in the CMS NPPES registry since February 14, 2006.
## Identity
- **NPI:** 1952375453 (Entity type: Individual)
- **Enumerated:** February 14, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** MD445949 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 4300 LONDONDERRY RD, Harrisburg, PA 17109
- **Phone:** (717) 231-8772 · **Fax:** (717) 231-8435
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Pinnacle Health Medical Services (NPI 1104074905, Harrisburg, PA); Pinnacle Health Hospitalist Services LLC (NPI 1023458148, Harrisburg, PA); Pinnacle Health Regional Physicians (NPI 1013441690, Harrisburg, PA); Pinnacle Health Observation Services LLC (NPI 1316341241, Harrisburg, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Miami, Lm Miller School Of Medicine, class of 1992
## Record status
- **NPPES last updated:** January 16, 2021
- **Other identifiers:** Medicaid G58568 (SC); Other P00803273 (GA); Other P00346175 (GA); and 6 more
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Source: [NPI Profile](https://npiprofile.com/npi/1952375453) · Data from the CMS NPPES public registry.