Yas Casey
Internal Medicine Physician · Loma Linda, CA
Yas Casey is an internal medicine physician with a practice address in Loma Linda, California, and NPI 1336568971, issued on Apr 10, 2014. Check the license (California A149800, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Yas Casey
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A149800 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11201 Benton St # 2E37A, Loma Linda, CA 92357
- Phone
- (909) 825-7084
- Enumerated
- Apr 10, 2014
- Record last updated
- Jan 30, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20221114000469); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Yas Casey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A149800Check 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 internal medicine physician in 2024
176 Medicare Part D claims for 99 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 13 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass25 claims
- Ciprofloxacin Hcl15 claims
- Hydrocodone-Acetaminophen11 claims
- Prednisone11 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.
Industry payments in 2024: $29.25
1 payment: food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 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 3 group practices
- Alertive Healthcare Medical Group ApcRiverside, CA
- Darin Rentz DO PCBanning, CA
- Grace Medical And Wellness ClinicRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yas Casey among 17,696 internal medicine physician records in California
Yas Casey is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 74% of them.
- NPI issued2014 · 74% of these records are older, 24% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2009 · median 2004 among the 11,065 with a school on file
- Record last updated2020 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
212 internal medicine physician records list a practice address in Loma Linda
They are 212 of the 4,863 NPPES records with a practice address in Loma Linda, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Loma Linda → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Imdad Ahmad, M.DLoma Linda, CA 923571568499606
- James Anholm, M.D.Loma Linda, CA 923571487678645
- Julia Berrospi-Chia, M.D.Loma Linda, CA 923571083722417
- John ByrneLoma Linda, CA 923571700805504
- Bobby Chan, M.D.Loma Linda, CA 923571265549497
- Nagamani Dandamudi, M.D.,Loma Linda, CA 923571184638058
- Dwight Evans, M.D.Loma Linda, CA 923571760420509
- Geir Frivold, M.D.Loma Linda, CA 923571861405623
Common questions
What is Yas Casey's NPI number?
Yas Casey's National Provider Identifier (NPI) is 1336568971, issued on Apr 10, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Yas Casey located?
The NPPES record lists a practice address at 11201 Benton St # 2E37A, Loma Linda, CA, 92357. Phone: (909) 825-7084. Providers update this record themselves, so call before visiting.
How can I verify Yas Casey's license?
NPPES lists California license number A149800, 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 Yas Casey prescribe under Medicare Part D?
In 2024, Yas Casey had 176 Medicare Part D claims for 99 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.