Bill Liang Jou, M.D.
Endocrinology, Diabetes & Metabolism Physician · Temecula, CA
Bill Liang Jou, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Temecula, California, and NPI 1285699967, issued on Apr 18, 2006. Check the license (California A61675, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Bill Liang Jou
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- A61675 CA
Self-reported in NPPES; status is on the state search - Practice location
- 31515 Rancho Pueblo RD, Temecula, CA 92592
- Phone
- (951) 676-8118
- Enumerated
- Apr 18, 2006
- Record last updated
- Dec 26, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (951) 676-8558
- Medicare enrollment
- Enrolled (PECOS I20050526001087); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Also registered at 31515 Rancho Pueblo RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Bill Liang Jou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A61675Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.5 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024
9,292 Medicare Part D claims for 1,280 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of claims.
Most prescribed
- Levothyroxine Sodium1,196 claims
- Ozempic1,043 claims
- Farxiga423 claims
- Jardiance419 claims
- Metformin Hcl343 claims
- Methimazole343 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.
The MIPS final score for 2023 (Medicare payment program): 13.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $986.35
47 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 5,661 providers of this specialty with any payment received $5,742.15 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.
Bill Liang Jou among 1,131 endocrinology, diabetes & metabolism physician records in California
Bill Liang Jou, M.D. is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 54% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1995 · median 2003 among the 779 with a school on file
- Record last updated2016 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
All 1,131 in California → Every provider in Temecula → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Kathy Joo, M.D.Temecula, CA 925911457318347
- Fazeela Baqai, M.D.Irvine, CA 926021659470565
- Diana Albay, M.DIrvine, CA 926041477751691
- Jannet Huang, MDIrvine, CA 926141497796049
- Nairi Berner, M.D.Irvine, CA 926181104093277
- Alan N Elias, MDIrvine, CA 926181154401297
- Lei Lei, M.D.Irvine, CA 926181881048072
- Vasanthi Narayan, M.D.Irvine, CA 926181598939589
Common questions
What is Bill Liang Jou, M.D.'s NPI number?
Bill Liang Jou, M.D.'s National Provider Identifier (NPI) is 1285699967, issued on Apr 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Bill Liang Jou, M.D. located?
The NPPES record lists a practice address at 31515 Rancho Pueblo RD, Temecula, CA, 92592. Phone: (951) 676-8118. Providers update this record themselves, so call before visiting.
How can I verify Bill Liang Jou, M.D.'s license?
NPPES lists California license number A61675, 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 Bill Liang Jou, M.D. prescribe under Medicare Part D?
In 2024, Bill Liang Jou, M.D. had 9,292 Medicare Part D claims for 1,280 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Bill Liang Jou, M.D.'s MIPS final score?
The 2023 MIPS final score is 13.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.