Ryan Hasser, PA-C
Physician Assistant · Marina Del Rey, CA
Ryan Hasser, PA-C is a physician assistant with a practice address in Marina Del Rey, California, and NPI 1740886654, issued on Dec 7, 2020. Check the license (California 59115, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ryan Hasser
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 59115 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4640 Admiralty Way, Marina Del Rey, CA 90292
- Phone
- (888) 880-3451
- Enumerated
- Dec 7, 2020
- Record last updated
- Oct 13, 2022
- Medicare enrollment
- Enrolled (PECOS I20210825003555); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 4640 Admiralty Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Celeste Albanez, FNPFamily Nurse Practitioner1689244618
- Mahua Biswas, MDVascular & Interventional Radiology Physician1932153731
- Katherine Boswell, MFTMarriage & Family Therapist1114178852
- David Chang, M.D.Orthopaedic Surgery of the Spine Physician1467575472
- Tina Crowe, MSWClinical Social Worker1760528053
- Mari Davies, PHDClinical Neuropsychologist1104198514
Verify Ryan Hasser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 59115Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average physician assistant in 2024
13 Medicare Part D claims for 11 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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.
Ryan Hasser among 14,451 physician assistant records in California
Ryan Hasser, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 62% of them.
- NPI issued2020 · 62% of these records are older, 33% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2020 · median 2018 among the 7,214 with a school on file
- Record last updated2022 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 physician assistant records list a practice address in Marina Del Rey
They are 16 of the 711 NPPES records with a practice address in Marina Del Rey, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Marina Del Rey → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Carla Crespo, PA-CMarina Del Rey, CA 902921205964020
- Carolina Dickson, PA-CMarina Del Rey, CA 902921790134138
- Cornelia Felber, PA-CMarina Del Rey, CA 902921912035080
- Tonya George, PAMarina Del Rey, CA 902921932241619
- Lindsay Goldman, PAMarina Del Rey, CA 902921891390274
- Megan Hesser, P.A-C.Marina Del Rey, CA 902921649362955
- Chase Krivashei, PAMarina Del Rey, CA 902921073274601
- Samantha MarcolyMarina Del Rey, CA 902921275257594
Common questions
What is Ryan Hasser, PA-C's NPI number?
Ryan Hasser, PA-C's National Provider Identifier (NPI) is 1740886654, issued on Dec 7, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Hasser, PA-C located?
The NPPES record lists a practice address at 4640 Admiralty Way, Marina Del Rey, CA, 90292. Phone: (888) 880-3451. Providers update this record themselves, so call before visiting.
How can I verify Ryan Hasser, PA-C's license?
NPPES lists California license number 59115, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ryan Hasser, PA-C prescribe under Medicare Part D?
In 2024, Ryan Hasser, PA-C had 13 Medicare Part D claims for 11 beneficiaries; the average among physician assistant prescribers was 830. 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.