David Hasler, MD
NPI 1477597391 · Anesthesiology Physician · Charleston, SC
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Hasler, MD is a Anesthesiology Physician provider in Charleston, SC (NPI 1477597391).
Provider details
- NPI number
- 1477597391
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 89001 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
368 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Anesthesia for Extensive Surgery on Spine00670 | 73 | $249 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 57 | $71 |
| Anesthesia for Other Procedure on Lower Spine00630 | 26 | $171 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 26 | $41 |
| Anesthesia for Other Procedure on Lower Abdomen00840 | 24 | $157 |
| Anesthesia for Procedure on Nerves, Muscles, Tendons, and Tissue of Forearm, Wrist, and Hand01810 | 22 | $65 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-15
- Last updated
- 2024-05-19
- Certified
- 2024-05-19
Frequently asked questions
- What is David Hasler's NPI number?
- David Hasler's National Provider Identifier (NPI) is 1477597391, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Hasler's specialty?
- David Hasler is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is David Hasler located?
- David Hasler's practice location on file with NPPES is 2095 Henry Tecklenburg Dr, Charleston, SC 29414-5733.
- What is David Hasler's phone number?
- The practice phone number listed in the NPPES registry for David Hasler is (843) 402-1436.
- Does David Hasler accept Medicare?
- David Hasler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Hasler's NPI active?
- Yes — David Hasler's NPI (1477597391) is active in the NPPES registry as of the last update on 2024-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.