Addy Squarer, MD
Nephrology Physician · San Jose, CA
Addy Squarer, MD is a nephrology physician with a practice address in San Jose, California, and NPI 1679581425, issued on Aug 4, 2006. Check the license (California G73060, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Addy Squarer
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- G73060 CA
Self-reported in NPPES; status is on the state search - Practice location
- 828 S Winchester Blvd, San Jose, CA 95128
- Phone
- (408) 866-4000
- Enumerated
- Aug 4, 2006
- Record last updated
- Dec 4, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (408) 866-3999
- Medicaid ID
- 00G730600 CA
- Medicare enrollment
- Enrolled (PECOS I20120717000526); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 1990
- 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 828 S Winchester Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vijaya Dudyala, M.DInternal Medicine Physician1477522589
- Charlyne Julao, D.O.Family Medicine Physician1457710527
- Richard OrnelasInternal Medicine Physician1730258229
Verify Addy Squarer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G73060Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average nephrology physician in 2024
4,576 Medicare Part D claims for 305 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 32 claims were for opioids.
Most prescribed
- Amlodipine Besylate339 claims
- Furosemide171 claims
- Atorvastatin Calcium163 claims
- Levothyroxine Sodium162 claims
- Losartan Potassium153 claims
- Gabapentin151 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): 83.6 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).
Industry payments in 2024: $363.87
3 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,230 providers of this specialty with any payment received $3,091.37 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 one group practice
- EL Camino Health Medical Network LLCSan Jose, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Addy Squarer among 1,468 nephrology physician records in California
Addy Squarer, MD 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 48% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1990 · median 2001 among the 1,128 with a school on file
- Record last updated2020 · 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
- Alexander Doan, MDSan Jose, CA 951281003859661
- Lewis Haut, MDSan Jose, CA 951281760490510
- June Lugovoy, MDSan Jose, CA 951281508822248
- Jiann-Gang Luo, MDSan Jose, CA 951281043403066
- Nicholas MonacoSan Jose, CA 951281457404816
- Nhat Pham, MDSan Jose, CA 951281568408763
- Anjali Saxena, MDSan Jose, CA 951281164527826
- Phillip Tse, M.D.San Jose, CA 951281184732901
Common questions
What is Addy Squarer, MD's NPI number?
Addy Squarer, MD's National Provider Identifier (NPI) is 1679581425, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Addy Squarer, MD located?
The NPPES record lists a practice address at 828 S Winchester Blvd, San Jose, CA, 95128. Phone: (408) 866-4000. Providers update this record themselves, so call before visiting.
How can I verify Addy Squarer, MD's license?
NPPES lists California license number G73060, 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 Addy Squarer, MD prescribe under Medicare Part D?
In 2024, Addy Squarer, MD had 4,576 Medicare Part D claims for 305 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Addy Squarer, MD's MIPS final score?
The 2023 MIPS final score is 83.6 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.