DAVID J HASLER MD
NPI 1477597391
Anesthesiology in Charleston, SC
About David J Hasler Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID J HASLER MD (NPI 1477597391) is an individual anesthesiology provider in Charleston, South Carolina, licensed in South Carolina (89001) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Spartanburg Medical Center, and is a graduate of Other (1992).
NPPES Registry Identity
Specialties & Licenses
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
David J Hasler 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 David Hasler reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Charleston, SC 29414
- Reassigned Medicare billing, South Carolina enrollment
- Medicare enrollment name: Bon Secours St Francis Xavier Hospital Inc
- 375 clinicians in this Medicare group
Charleston, SC 29406
- Reassigned Medicare billing, South Carolina enrollment
- 154 clinicians in this Medicare group
Bamberg, SC 29003
- Reassigned Medicare billing, South Carolina enrollment
- 2,389 clinicians in this Medicare group
Clinton, SC 29325
- Reassigned Medicare billing, South Carolina enrollment
- Also billed through NPI 1164807376 (South Carolina)
- 814 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 15
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Spartanburg Medical Center
Acute Care Hospitals · Spartanburg, SCBon Secours-St Francis Xavier Hospital
Acute Care Hospitals · Charleston, SCTrident Medical Center
Acute Care Hospitals · Charleston, SCMedicare 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.
Reported Quality Measures
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.
CHARLESTON, SC 29414
CHARLESTON, SC 29414
CHARLESTON, SC 29414
CHARLESTON, SC 29414
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 David Hasler's NPI number?
The NPI number for David Hasler is 1477597391. It was assigned to this individual provider in the NPPES registry on June 15, 2006.
Where is David Hasler located?
David Hasler practices at 2095 Henry Tecklenburg Dr, Charleston, SC 29414. The listed phone number is (843) 402-1436.
What is David Hasler's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is David Hasler enrolled in Medicare?
Yes. David Hasler 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 David Hasler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Hasler reassigns Medicare benefits to 4 organizations: Bon Secours St. Francis Xavier Hosptial, Inc. (Charleston, SC), Trident Anesthesia Group, LLC (Charleston, SC), Musc Community Physicians (Bamberg, SC) and Spartanburg Medical Center (Clinton, SC). 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 David Hasler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is David Hasler affiliated with any hospitals?
According to CMS data, David Hasler is affiliated with Spartanburg Medical Center, Bon Secours-St Francis Xavier Hospital and Trident Medical Center.
When was this NPI record last updated?
The NPPES record for David Hasler was last updated on May 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.