James W. Chu, MD
Endocrinology, Diabetes & Metabolism Physician · Monterey, CA
James W. Chu, MD is an endocrinology, diabetes & metabolism physician with a practice address in Monterey, California, and NPI 1710969266, issued on Nov 18, 2005. Check the license (California A63212, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- James W. Chu
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- A63212 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2 Upper Ragsdale Dr, Monterey, CA 93940
- Phone
- (831) 375-6334
- Enumerated
- Nov 18, 2005
- Record last updated
- Oct 17, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (831) 375-6331
- Medicare enrollment
- Enrolled (PECOS I20041129000531); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Also registered at 2 Upper Ragsdale Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Janet Brown, M.D.Gynecology Physician1467532952
- Gerald Carnazzo, M.D.Family Medicine Physician1841208246
Verify James W. Chu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A63212Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
4,511 Medicare Part D claims for 470 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.
Most prescribed
- Levothyroxine Sodium501 claims
- Mounjaro326 claims
- Atorvastatin Calcium283 claims
- Metformin Hcl Er249 claims
- Synthroid221 claims
- Hydrochlorothiazide216 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $89,159.82
207 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. 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.
James W. Chu among 1,131 endocrinology, diabetes & metabolism physician records in California
James W. Chu, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1996 · median 2003 among the 779 with a school on file
- Record last updated2008 · 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 Monterey → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Somayeh Azimi, D.O.Monterey, CA 939401356876999
- Haleh Bassiri, MDMonterey, CA 939401356309041
- Resmi PremjiMonterey, CA 939401215208913
- Leonard Sanders, M.D.Monterey, CA 939401336160613
- Dana Sheely, MDMonterey, CA 939401902036957
- Kearnan Welch, D.O.Monterey, CA 939401720463854
- Allen King, MD, FACP, FACE, CDESalinas, CA 939011649253048
- Nicolas Kissell, NICOLAS KISSELL, MDSalinas, CA 939011336467240
Common questions
What is James W. Chu, MD's NPI number?
James W. Chu, MD's National Provider Identifier (NPI) is 1710969266, issued on Nov 18, 2005. An NPI identifies a provider in billing; it is not a license.
Where is James W. Chu, MD located?
The NPPES record lists a practice address at 2 Upper Ragsdale Dr, Monterey, CA, 93940. Phone: (831) 375-6334. Providers update this record themselves, so call before visiting.
How can I verify James W. Chu, MD's license?
NPPES lists California license number A63212, 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 James W. Chu, MD prescribe under Medicare Part D?
In 2024, James W. Chu, MD had 4,511 Medicare Part D claims for 470 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is James W. Chu, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.