Chistopher Nguyen Do, M.D.
Internal Medicine Physician · San Jose, CA
Chistopher Nguyen Do, M.D. is an internal medicine physician with a practice address in San Jose, California, and NPI 1407876659, issued on Jul 20, 2006. Check the license (California 00A628770, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Chistopher Nguyen Do
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 00A628770 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1569 Lexann Avenue, San Jose, CA 95121
- Phone
- (408) 531-8808
- Enumerated
- Jul 20, 2006
- Record last updated
- Apr 28, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (408) 531-8940
- Medicaid ID
- 00A628770 CA
- Medicare enrollment
- Enrolled (PECOS I20100406000092); accepts Medicare assignment
- Medical or professional school
- Texas Tech University Health Science Center School Of Medicine, 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Chistopher Nguyen Do in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 00A628770Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.5 times the Medicare Part D claims of the average internal medicine physician in 2024
20,498 Medicare Part D claims for 1,112 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 242 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,456 claims
- Amlodipine Besylate1,016 claims
- Losartan Potassium883 claims
- Omeprazole536 claims
- Gabapentin500 claims
- Metformin Hcl425 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): 24.9 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: $789.28
22 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Chistopher Nguyen Do among 17,696 internal medicine physician records in California
Chistopher Nguyen Do, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1994 · median 2004 among the 11,065 with a school on file
- Record last updated2014 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
428 internal medicine physician records list a practice address in San Jose
They are 428 of the 20,925 NPPES records with a practice address in San Jose, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Jose → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Hong Bui, M.D.San Jose, CA 951211417944471
- Lam Do, M.D.San Jose, CA 951211588689814
- Dat Huynh, M.D.San Jose, CA 951211033298963
- Tuan Le, M.D.San Jose, CA 951211982602710
- Thuyvy Le, DOSan Jose, CA 951211841751088
- Donna Lee, MDSan Jose, CA 951211093792004
- Naheed Malik, M.D.San Jose, CA 951211699889105
- Thinh Nguyen, M.D.San Jose, CA 951211073759163
Common questions
What is Chistopher Nguyen Do, M.D.'s NPI number?
Chistopher Nguyen Do, M.D.'s National Provider Identifier (NPI) is 1407876659, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Chistopher Nguyen Do, M.D. located?
The NPPES record lists a practice address at 1569 Lexann Avenue, San Jose, CA, 95121. Phone: (408) 531-8808. Providers update this record themselves, so call before visiting.
How can I verify Chistopher Nguyen Do, M.D.'s license?
NPPES lists California license number 00A628770, 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 Chistopher Nguyen Do, M.D. prescribe under Medicare Part D?
In 2024, Chistopher Nguyen Do, M.D. had 20,498 Medicare Part D claims for 1,112 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Chistopher Nguyen Do, M.D.'s MIPS final score?
The 2023 MIPS final score is 24.9 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.