TOXICOLOGY SERVICES
NPI 1124319827
Emergency Medicine - Medical Toxicology in Harrisburg, PA
About Toxicology Services NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TOXICOLOGY SERVICES (NPI 1124319827) is a healthcare organization registered as a medical toxicology in Harrisburg, Pennsylvania and active in the NPI registry since April 2011. The organization lists Christopher P Markley, Vp, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 2
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Toxicology Services is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
1,896Medicare enrollment records show 1,896 clinicians reassign Medicare billing to Toxicology Services, which bills Medicare for the services they deliver. Of these, 51 practice at this address and 792 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 62
Nearest to this location (20)
See all 1,896Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Pinnacle Health Medical Services's NPI number?
The NPI number for Pinnacle Health Medical Services is 1124319827. It was assigned to this organization in the NPPES registry on April 28, 2011. The provider is doing business as Toxicology Services.
Where is Pinnacle Health Medical Services located?
Pinnacle Health Medical Services is located at 111 S Front St, Harrisburg, PA 17101. The listed phone number is (717) 231-8960.
What is Pinnacle Health Medical Services's specialty?
The primary specialty registered for this NPI is Emergency Medicine, specializing in Medical Toxicology, with taxonomy code 207PT0002X.
Is Pinnacle Health Medical Services enrolled in Medicare?
Yes. Pinnacle Health Medical Services is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Pinnacle Health Medical Services?
According to the CMS Revalidation Reassignment List (October 2026 release), 1,896 clinicians in 62 Medicare specialties reassign their Medicare billing to Pinnacle Health Medical Services. A 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 the clinician's services. The largest specialties are Nurse Practitioner (496), Family Practice (153) and Pediatric Medicine (148). Of these, 51 practice at this address and 792 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Pinnacle Health Medical Services was last updated on April 28, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Toxicology Services · NPI 1124319827
Medical Toxicology organization in Harrisburg, Pennsylvania. Organization record, active in the CMS NPPES registry since April 28, 2011.
## Identity
- **NPI:** 1124319827 (Entity type: Organization)
- **Enumerated:** April 28, 2011
- **Primary specialty:** Emergency Medicine - Medical Toxicology · taxonomy 207PT0002X
- **Legal business name:** Pinnacle Health Medical Services
- **Organization subpart:** No
- **Authorized official:** Christopher Markley, VP
## Practice location
- **Address:** 111 S FRONT ST, Harrisburg, PA 17101-2010
- **Phone:** (717) 231-8960 · **Fax:** (717) 231-8964
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1,896 clinicians in 62 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (496), Family Practice (153), Pediatric Medicine (148); 51 practice at this address and 792 within 10 miles; [full list](https://npiprofile.com/npi/1124319827/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 28, 2011
- **Other identifiers:** Other 029490 (PA); Medicaid 1007666760064 (PA)
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Source: [NPI Profile](https://npiprofile.com/npi/1124319827) · Data from the CMS NPPES public registry.