Ian Ellis McCoy, M.D.
Nephrology Physician · San Jose, CA
Ian Ellis McCoy, M.D. is a nephrology physician with a practice address in San Jose, California, and NPI 1437597747, issued on Jun 8, 2013. Check the license (California 141087, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ian Ellis McCoy
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- 141087 CA
256533 MA
Self-reported in NPPES; status is on the state search - Practice location
- 2360 Mckee RD Ste 10, San Jose, CA 95116
- Phone
- (408) 729-7128
- Enumerated
- Jun 8, 2013
- Record last updated
- Jan 25, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190513000407); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 2013
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 2360 Mckee RD Ste 10
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Suong BuiPhysician Assistant1730795147
Verify Ian Ellis McCoy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 141087Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average nephrology physician in 2024
424 Medicare Part D claims for 71 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Farxiga61 claims
- Irbesartan59 claims
- Chlorthalidone34 claims
- Losartan Potassium33 claims
- Allopurinol30 claims
- Atorvastatin Calcium25 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 practice group's MIPS final score for 2023 (Medicare payment program): 74.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 3 group practices
- Regents OF The University OF CaliforniaSan Francisco, CA
- Ucsf Medical Group Business ServicesBurlingame, CA
- University OF California San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ian Ellis McCoy among 1,468 nephrology physician records in California
Ian Ellis McCoy, M.D. is one of 1,468 nephrology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 83% of them.
- NPI issued2013 · 83% of these records are older, 15% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2013 · median 2001 among the 1,128 with a school on file
- Record last updated2019 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in California
There are 1,468 nephrology physician records in California.
All 1,468 in California → Every provider in San Jose → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Maggie Chen, MDSan Jose, CA 951161649470683
- Jeongwon Choi, M.D.San Jose, CA 951161902213820
- Rashid Elahi, M.D.San Jose, CA 951161790753408
- Ning Fu, M.D.San Jose, CA 951161124224571
- Wen-Tsang Ku, M.D.San Jose, CA 951161710986161
- Grace No, MDSan Jose, CA 951161386865731
- Kajal Patel, M.D.San Jose, CA 951161366630444
- Reena Ranpuria, MDSan Jose, CA 951161518173608
Common questions
What is Ian Ellis McCoy, M.D.'s NPI number?
Ian Ellis McCoy, M.D.'s National Provider Identifier (NPI) is 1437597747, issued on Jun 8, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Ian Ellis McCoy, M.D. located?
The NPPES record lists a practice address at 2360 Mckee RD Ste 10, San Jose, CA, 95116. Phone: (408) 729-7128. Providers update this record themselves, so call before visiting.
How can I verify Ian Ellis McCoy, M.D.'s license?
NPPES lists California license number 141087, 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 Ian Ellis McCoy, M.D. prescribe under Medicare Part D?
In 2024, Ian Ellis McCoy, M.D. had 424 Medicare Part D claims for 71 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Ian Ellis McCoy, M.D.'s MIPS final score?
The 2023 MIPS final score is 74.5 of 100, reported for the practice group. 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.