Hayley Bowen Osen
Anesthesiology Physician · Los Angeles, CA
Hayley Bowen Osen is an anesthesiology physician with a practice address in Los Angeles, California, and NPI 1750812319, issued on Mar 24, 2017. Check the license (California A160011, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hayley Bowen Osen
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- A160011 CA
Self-reported in NPPES; status is on the state search - Practice location
- 700 W 7TH St Ste 270D, Los Angeles, CA 90017
- Phone
- (310) 267-8626
- Enumerated
- Mar 24, 2017
- Record last updated
- Nov 8, 2024
- Fax
- (310) 267-3899
- Medicare enrollment
- Enrolled (PECOS I20211007000597); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Verify Hayley Bowen Osen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A160011Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% more Medicare Part D claims than the average anesthesiology physician in 2024
438 Medicare Part D claims for 76 beneficiaries, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 155 claims were for opioids.
Most prescribed
- Tizanidine Hcl52 claims
- Gabapentin47 claims
- Hydrocodone-Acetaminophen33 claims
- Pregabalin30 claims
- Buprenorphine28 claims
- Tramadol Hcl23 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 97.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $512.65
10 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Regents OF The University OF CaliforniaThousand Oaks, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hayley Bowen Osen among 7,571 anesthesiology physician records in California
Hayley Bowen Osen is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 83% of them.
- NPI issued2017 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2017 · median 2006 among the 4,868 with a school on file
- Record last updated2024 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in California
There are 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in Los Angeles → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Adolfo Blanco, M.D.Los Angeles, CA 900171144286824
- Bryan Chan, M.D.Los Angeles, CA 900171194778381
- Richard Duong, M.D.Los Angeles, CA 900171396704672
- Sung Im, MDLos Angeles, CA 900171316122104
- Jae Jo, M.D.Los Angeles, CA 900171841266426
- Alexander Kang, M.D.Los Angeles, CA 900171164447249
- Omid Khodadadi, M.D.Los Angeles, CA 900171689845588
- Arthur Klein, M.D.Los Angeles, CA 900171881664381
Common questions
What is Hayley Bowen Osen's NPI number?
Hayley Bowen Osen's National Provider Identifier (NPI) is 1750812319, issued on Mar 24, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Hayley Bowen Osen located?
The NPPES record lists a practice address at 700 W 7TH St Ste 270D, Los Angeles, CA, 90017. Phone: (310) 267-8626. Providers update this record themselves, so call before visiting.
How can I verify Hayley Bowen Osen's license?
NPPES lists California license number A160011, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Hayley Bowen Osen prescribe under Medicare Part D?
In 2024, Hayley Bowen Osen had 438 Medicare Part D claims for 76 beneficiaries; the average among anesthesiology physician prescribers was 402. Part D covers Medicare prescriptions only.
What is Hayley Bowen Osen's MIPS final score?
The 2023 MIPS final score is 97.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.