SETH O ALTHOFF MD
NPI 1518179100
Emergency Medicine in Dresher, PA
About Seth O Althoff Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SETH O ALTHOFF MD (NPI 1518179100) is an individual emergency medicine provider in Dresher, Pennsylvania, licensed in Pennsylvania (MD448769) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Grand View Health, and maintains a secondary practice location in Sellersville.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
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
Seth O Althoff 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
2Medicare enrollment records show Seth Althoff reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lansdale, PA 19446
- Reassigned Medicare billing, Pennsylvania enrollment
- 20 clinicians in this Medicare group
Sellersville, PA 18960
- Reassigned Medicare billing, Pennsylvania enrollment
- 27 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 5
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Grand View Health
Acute Care Hospitals · Sellersville, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19025 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 3
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 Seth Althoff's NPI number?
The NPI number for Seth Althoff is 1518179100. It was assigned to this individual provider in the NPPES registry on May 4, 2007.
Where is Seth Althoff located?
Seth Althoff practices at 1650 Limekiln Pike Ste B28, Dresher, PA 19025. The listed phone number is (215) 565-0299.
What is Seth Althoff's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Seth Althoff enrolled in Medicare?
Yes. Seth Althoff 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 Seth Althoff's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Seth Althoff reassigns Medicare benefits to 2 organizations: Grand View Urgent Care, LLC. (Lansdale, PA) and Grand View Emergency Specialists, LLC (Sellersville, 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 Seth Althoff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Seth Althoff affiliated with any hospitals?
According to CMS data, Seth Althoff is affiliated with Grand View Health.
When was this NPI record last updated?
The NPPES record for Seth Althoff was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 52 days 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.
# Seth O Althoff, MD · NPI 1518179100
Emergency Medicine physician in Dresher, Pennsylvania. Individual provider, active in the CMS NPPES registry since May 4, 2007.
## Identity
- **NPI:** 1518179100 (Entity type: Individual)
- **Enumerated:** May 4, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD448769 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 1650 LIMEKILN PIKE STE B28, Dresher, PA 19025-1126
- **Phone:** (215) 565-0299
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Grand View Urgent Care, LLC. (NPI 1801341862, Lansdale, PA); Grand View Emergency Specialists, LLC (NPI 1891359287, Sellersville, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Temple University School Of Medicine, class of 2006
## Record status
- **NPPES last updated:** September 22, 2026
- **Other identifiers:** Medicaid 1518179100 (VA)
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Source: [NPI Profile](https://npiprofile.com/npi/1518179100) · Data from the CMS NPPES public registry.