Hayley Osen
NPI 1750812319 · Anesthesiology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hayley Osen is a Anesthesiology Physician provider in Los Angeles, CA (NPI 1750812319).
Provider details
- NPI number
- 1750812319
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- A160011 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
263 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 136 | $144 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 36 | $189 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 25 | $251 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 22 | $207 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 17 | $91 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tizanidine Hcl | 52 | 17 |
| Gabapentin | 47 | 16 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 33 | 15 |
| Pregabalin | 30 | 13 |
| Buprenorphine | 28 | — |
| Tramadol Hcl | 23 | 11 |
| Methocarbamol | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$513 across 10 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
Additional practice locations (1)
- 757 Westwood Plz Ste 3325Los Angeles, CA 90095-1519Phone: (310) 267-3899
Registry dates
- Enumerated
- 2017-03-24
- Last updated
- 2024-11-08
- Certified
- 2024-11-08
Frequently asked questions
- What is Hayley Osen's NPI number?
- Hayley Osen's National Provider Identifier (NPI) is 1750812319, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hayley Osen's specialty?
- Hayley Osen is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Hayley Osen located?
- Hayley Osen's practice location on file with NPPES is 700 W 7th St Ste 270d, Los Angeles, CA 90017-3768.
- What is Hayley Osen's phone number?
- The practice phone number listed in the NPPES registry for Hayley Osen is (310) 267-8626.
- Does Hayley Osen accept Medicare?
- Hayley Osen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hayley Osen's NPI active?
- Yes — Hayley Osen's NPI (1750812319) is active in the NPPES registry as of the last update on 2024-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.