William M. Rice, PA-C
Medical Physician Assistant · Escondido, CA
William M. Rice, PA-C is a medical physician assistant with a practice address in Escondido, California, and NPI 1205822210, issued on Sep 26, 2005. Check the license (California PA15675, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William M. Rice
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA15675 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2185 Citracado Pkwy, Escondido, CA 92029
- Phone
- (442) 281-5000
- Enumerated
- Sep 26, 2005
- Record last updated
- Nov 1, 2022
- Medicare enrollment
- Enrolled (PECOS I20050215001151); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Also registered at 2185 Citracado Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rami Alassaad, M.DHospitalist Physician1235449265
- Amir Asgari, M.D.Internal Medicine Physician1730484981
- Sarin Atam, MDInternal Medicine Physician1194394494
Verify William M. Rice in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA15675Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average medical physician assistant in 2024
185 Medicare Part D claims for 138 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Cephalexin33 claims
- Tramadol Hcl14 claims
- Sulfamethoxazole-Trimethoprim11 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.
Bills Medicare through 2 group practices
- Scripps HealthOceanside, CA
- United Medical DoctorsNewport Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William M. Rice among 3,376 medical physician assistant records in California
William M. Rice, PA-C is one of 3,376 medical physician assistant records with a practice address in California. 69% 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, 98% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated1996 · median 2012 among the 1,347 with a school on file
- Record last updated2022 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in California
There are 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in Escondido → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Elizabeth Hartman, PAEscondido, CA 920291033536594
- Stephen Thurston, P.A.-CEscondido, CA 920291841616968
- Laura Albergo, PA-CFallbrook, CA 920281811483258
- Donna BaldwinEscondido, CA 920271649692369
- Johanna Morofski, PAEscondido, CA 920261679874051
- Sharon Robinson, P.A.Escondido, CA 920261700868791
- Robert Allen, PA-CEscondido, CA 920251871914309
- Emily Alvo, PA-CEscondido, CA 920251376276782
Common questions
What is William M. Rice, PA-C's NPI number?
William M. Rice, PA-C's National Provider Identifier (NPI) is 1205822210, issued on Sep 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William M. Rice, PA-C located?
The NPPES record lists a practice address at 2185 Citracado Pkwy, Escondido, CA, 92029. Phone: (442) 281-5000. Providers update this record themselves, so call before visiting.
How can I verify William M. Rice, PA-C's license?
NPPES lists California license number PA15675, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does William M. Rice, PA-C prescribe under Medicare Part D?
In 2024, William M. Rice, PA-C had 185 Medicare Part D claims for 138 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.