Hayley Bryn Arrowood, DO
Neurology Physician · Los Angeles, CA
Hayley Bryn Arrowood, DO is a neurology physician with a practice address in Los Angeles, California, and NPI 1114667185, issued on Mar 29, 2022. Check the license (California 20A25026, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hayley Bryn Arrowood
- Credential
- DO
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 20A25026 CA
Self-reported in NPPES; status is on the state search - Practice location
- 127 S San Vicente Blvd Ste A6600, Los Angeles, CA 90048
- Phone
- (310) 423-6472
- Enumerated
- Mar 29, 2022
- Record last updated
- Jul 1, 2026
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Also registered at 127 S San Vicente Blvd Ste A6600
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Hayley Bryn Arrowood in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A25026Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average neurology physician in 2024
85 Medicare Part D claims for 34 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
Most prescribed
- Donepezil Hcl27 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.
Hayley Bryn Arrowood among 2,339 neurology physician records in California
Hayley Bryn Arrowood, DO is one of 2,339 neurology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 97% of them.
- NPI issued2022 · 97% of these records are older, under 1% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2026 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
All 2,339 in California → Every provider in Los Angeles → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Cameron Adams, M.D.West Hollywood, CA 900481346247392
- Karen Altman, MDWest Hollywood, CA 900481518912211
- Robert Baloh, MD PHDWest Hollywood, CA 900481164440699
- Andrew Blumenfeld, M.D.Los Angeles, CA 900481164459913
- Yvette Bordelon, MDLos Angeles, CA 900481922023449
- Maria Brickman, M.D.Los Angeles, CA 900481538107230
- Jeffrey Chung, MDWest Hollywood, CA 900481437106366
- Douglas Davies, M.D.Los Angeles, CA 900481326073222
Common questions
What is Hayley Bryn Arrowood, DO's NPI number?
Hayley Bryn Arrowood, DO's National Provider Identifier (NPI) is 1114667185, issued on Mar 29, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Hayley Bryn Arrowood, DO located?
The NPPES record lists a practice address at 127 S San Vicente Blvd Ste A6600, Los Angeles, CA, 90048. Phone: (310) 423-6472. Providers update this record themselves, so call before visiting.
How can I verify Hayley Bryn Arrowood, DO's license?
NPPES lists California license number 20A25026, 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 Bryn Arrowood, DO prescribe under Medicare Part D?
In 2024, Hayley Bryn Arrowood, DO had 85 Medicare Part D claims for 34 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
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.