Tracy Hasler, NP
NPI 1336230499 · Nurse Practitioner · Arnold, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tracy Hasler, NP is a Nurse Practitioner provider in Arnold, MO (NPI 1336230499).
Provider details
- NPI number
- 1336230499
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 155893 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 110 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 310 | 77 |
| Atorvastatin Calcium | 271 | 81 |
| Amlodipine Besylate | 221 | 64 |
| Lisinopril | 203 | 56 |
| Metformin Hcl | 187 | 43 |
| Metoprolol Tartrate | 185 | 49 |
| Escitalopram Oxalate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$51 across 3 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
- 2006-09-27
- Last updated
- 2025-04-03
- Certified
- 2025-04-03
Frequently asked questions
- What is Tracy Hasler's NPI number?
- Tracy Hasler's National Provider Identifier (NPI) is 1336230499, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tracy Hasler's specialty?
- Tracy Hasler is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tracy Hasler located?
- Tracy Hasler's practice location on file with NPPES is 1237 Water Tower Pl Ste a, Arnold, MO 63010-2116.
- What is Tracy Hasler's phone number?
- The practice phone number listed in the NPPES registry for Tracy Hasler is (363) 213-1906.
- Does Tracy Hasler accept Medicare?
- Tracy Hasler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tracy Hasler's NPI active?
- Yes — Tracy Hasler's NPI (1336230499) is active in the NPPES registry as of the last update on 2025-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.