Heidi Hassler, PA-C
NPI 1548874688 · Physician Assistant · Vermillion, SD
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heidi Hassler, PA-C is a Physician Assistant provider in Vermillion, SD (NPI 1548874688).
Provider details
- NPI number
- 1548874688
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Medical Physician Assistant363AM0700X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
8,887 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 745 | $7 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 718 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 702 | $105 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 674 | $10 |
| Automated Urinalysis Test81003 | 668 | $2 |
| Uric Acid Level, Blood84550 | 661 | $4 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Allopurinol | 631 | 165 |
| Furosemide | 465 | 156 |
| Potassium Chloride | 371 | 113 |
| Calcitriol | 324 | 98 |
| Bumetanide | 278 | 91 |
| Spironolactone | 194 | 61 |
| Hydralazine Hcl | 193 | 66 |
| Amlodipine Besylate | 137 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$511 across 29 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-09-05
- Last updated
- 2020-12-01
- Certified
- 2020-12-01
Frequently asked questions
- What is Heidi Hassler's NPI number?
- Heidi Hassler's National Provider Identifier (NPI) is 1548874688, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heidi Hassler's specialty?
- Heidi Hassler is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Heidi Hassler located?
- Heidi Hassler's practice location on file with NPPES is 20 S Plum St, Vermillion, SD 57069-3346.
- What is Heidi Hassler's phone number?
- The practice phone number listed in the NPPES registry for Heidi Hassler is (605) 677-3500.
- Does Heidi Hassler accept Medicare?
- Heidi Hassler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heidi Hassler's NPI active?
- Yes — Heidi Hassler's NPI (1548874688) is active in the NPPES registry as of the last update on 2020-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.