Ryan D. Hastings, PA
Physician Assistant · Stockton, CA
Ryan D. Hastings, PA is a physician assistant with a practice address in Stockton, California, and NPI 1912984113, issued on Dec 28, 2005. Check the license (California PA19871, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ryan D. Hastings
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA19871 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2545 W Hammer LN, Stockton, CA 95209
- Phone
- (209) 957-7050
- Enumerated
- Dec 28, 2005
- Record last updated
- Jan 4, 2013 (not updated in 13 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 2545 W Hammer LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ryan D. Hastings in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA19871Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average physician assistant in 2024
174 Medicare Part D claims for 69 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 71 claims were for opioids.
Most prescribed
- Oxycodone Hcl64 claims
- Ondansetron Odt39 claims
- Naloxone Hcl35 claims
- Tranexamic Acid17 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.
Ryan D. Hastings among 14,451 physician assistant records in California
Ryan D. Hastings, PA 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 99% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2013 · 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).
Physician Assistant providers in California
There are 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Stockton → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Sandra Cruz Hernandez, PAStockton, CA 952091508639170
- Samuel Estrada, P.A.Stockton, CA 952091275869760
- McKenna Gau, PA-CStockton, CA 952091659101574
- Robert Johnson, PA-CStockton, CA 952091578588232
- Kery Luo, PA-CStockton, CA 952091174119598
- Stefan Meers Estrada, PA-CStockton, CA 952091043774144
- Peter Russo, PAStockton, CA 952091588729941
- Rachel Sanchez, PAStockton, CA 952091437173689
Common questions
What is Ryan D. Hastings, PA's NPI number?
Ryan D. Hastings, PA's National Provider Identifier (NPI) is 1912984113, issued on Dec 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ryan D. Hastings, PA located?
The NPPES record lists a practice address at 2545 W Hammer LN, Stockton, CA, 95209. Phone: (209) 957-7050. Providers update this record themselves, so call before visiting.
How can I verify Ryan D. Hastings, PA's license?
NPPES lists California license number PA19871, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ryan D. Hastings, PA prescribe under Medicare Part D?
In 2024, Ryan D. Hastings, PA had 174 Medicare Part D claims for 69 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.