Dr. Chistopher Nguyen Do, MD
- Medicare services, 2024
- 17,622
- Medicare patients, 2024
- 508
- Part D claims, 2024
- 20,498
- MIPS score, 2024
- 19
- Hospital affiliations
- 1
- Practice address
- 1569 Lexann Ave, San Jose, CA 95121
- Practice phone
- Call (408) 531-8808
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Christopher Nguyen DO MD a Professional Corporation
San Jose, California
Find Dr. Do's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Chistopher Nguyen Do is an internist in San Jose, California
Dr. Do practices at Christopher Nguyen DO MD a Professional Corporation in San Jose, California.
Dr. Do's NPI, 1407876659, was assigned on July 20, 2006. Dr. Do graduated from Texas Tech University Health Sciences Center School of Medicine in 1994. Dr. Do holds California license 00A628770.
- NPI
- 1407876659NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305972092
- NPI enumeration date
- July 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (408) 531-8808
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Chistopher Nguyen Do practices at Christopher Nguyen DO MD a Professional Corporation in San Jose, California
Dr. Do's primary practice is Christopher Nguyen DO MD a Professional Corporation, at 1569 Lexann Ave, San Jose, CA 95121 in Santa Clara County. The practice phone is (408) 531-8808.
- Christopher Nguyen DO MD a Professional Corporation1569 Lexann Ave, San Jose, CA 95121 · Santa Clara CountyPhone(408) 531-8808
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Chistopher Nguyen Do is affiliated with 9 sites of care and 1 medical group
Dr. Do's primary practice is Christopher Nguyen DO MD a Professional Corporation in San Jose, California. Dr. Do is also affiliated with Santa Clara Valley Medical Center. The medical group on file is Christopher N Do, MD. Dmand AI also links Dr. Do to 5 more home health agencies, 1 physician office and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Chistopher Nguyen Do's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Do practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Christopher Nguyen DO MD a Professional Corporation | Available with a free account |
| +8 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Chistopher Nguyen Do is one of 16,751 internists in California
Internal medicine is Dr. Do's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Do's licenses on file in 2 states: California and Texas.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Texas license
Clinical focus
Dmand AI lists acid reflux, acute sinusitis, acute skin infection, alzheimer's disease, anxiety, arthritis, asthma and atrial fibrillation and flutter among the conditions Dr. Do treats.
Internists near Dr. Do
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Chistopher Nguyen Do billed Medicare for 17,622 services in 2024
CMS data shows 17,622 Medicare services from Dr. Do across 32 procedure codes in 2024, for 508 Medicare patients. Medicare paid $1,060,265 for them. Every service was in an office.
Dr. Do's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8,1722024: 9,48016%
- Tests and treatments
- 2023: 5,2942024: 6,54524%
- Surgery
- 2023: 5372024: 63118%
- Imaging
- 2023: 4532024: 51113%
- Other services
- 2023: 1722024: 455165%
Dr. Do compared with the California median for internists, 2024
- Dr. Do
- California median
- Medicare services
- 17,622vs 36148.8 times
- Medicare patients
- 508vs 1513.4 times
- Part D claims
- 19,808vs 42147.0 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Do's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Do and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Chistopher Nguyen Do treated 508 Medicare patients in 2024, average age 74
CMS counts 508 Medicare patients who saw Dr. Do in 2024. The largest group is 65 to 74, with 235 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 73% are also on Medicaid. Their average risk score is 1.41, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Do's median patient age at 64, with 50% women.
Dr. Do's Medicare patients by age, 2024
Dr. Do's Medicare patients by sex, 2024
- Women28256%
- Men22644%
Chronic conditions among Dr. Do's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes48%
- Chronic kidney disease35%
- Arthritis29%
- Osteoporosis28%
- Alzheimer's and dementia17%
- Ischemic heart disease15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Do's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Chistopher Nguyen Do wrote 20,498 Medicare Part D claims in 2024
In 2024, Dr. Do wrote 20,498 Medicare Part D claims for 1,112 patients. 88% of them were for generic drugs. CMS names the drug for 19,808 of them, across 202 drugs with 11 or more claims each, at $1,768,869 in total drug cost. In 2023, CMS named 19,701 claims across 194 drugs.
Dr. Do's Part D claims by kind of drug, 2024
- Generic18,092 claims88%
- Brand-name2,308 claims11%
- Other98 claims0%
Dr. Do's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Do's Part D claims, 2024
- Opioids1%242 of 20,498 claims
- Antibiotics2%507 of 20,498 claims
- Antipsychotics, patients 65 and over0%50 of 20,498 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 19,7012024: 19,8081%
Drugs named by CMS: 202 in 2024, 194 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Chistopher Nguyen Do scored 19 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 19 out of 100 for Dr. Do for performance year 2024, reported individually. Dr. Do accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Do as offering telehealth. CMS counts 22 procedures of removal of skin lesions by Dr. Do, more than 66% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Do's MIPS scores, performance year 2024
- 19of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 65of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Do ranks in Medicare procedure volume
- Removal of skin lesions
- 66th percentile22 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Chistopher Nguyen Do received $4,020 in industry payments from 2016 to 2025
CMS Open Payments shows 120 general payments to Dr. Do from 21 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. AstraZeneca Pharmaceuticals LP paid the most, $1,073.
General payments to Dr. Do by program year, 2016 to 2025
General payments to Dr. Do by kind, 2016 to 2025
- Food and beverage$3,91998%
- Education$1002%
Companies that paid Dr. Do the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Chistopher Nguyen Do graduated from Texas Tech University Health Sciences Center School of Medicine
Dr. Do graduated from Texas Tech University Health Sciences Center School of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Chistopher Nguyen Do accepts plans from 15 insurance carriers
Dr. Do is in network with 15 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Elevance
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +7 more carriersWith a free account
Plan types Dr. Do accepts, by number of carriers
- Medicare9
- PPO9
- HMO6
- POS5
- EPO4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Chistopher Nguyen Do's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Chistopher Nguyen Do
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Chistopher Nguyen Do's NPI number?
Dr. Chistopher Nguyen Do's NPI number is 1407876659. It was assigned on July 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Chistopher Nguyen Do?
Dr. Chistopher Nguyen Do is an internist in San Jose, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Chistopher Nguyen Do practice?
Dr. Do practices at 1569 Lexann Ave, San Jose, CA 95121. Dr. Do's primary practice is Christopher Nguyen DO MD a Professional Corporation in San Jose, California. Dmand AI also links Dr. Do to 5 home health agencies, 1 physician office and 1 group practice or clinic.
What is Dr. Chistopher Nguyen Do's office phone number?
The practice phone on file for Dr. Do is (408) 531-8808.
What is Dr. Chistopher Nguyen Do's medical license number?
Dr. Do holds California license 00A628770, one of the licenses on file in 2 states.
Which states has Dr. Chistopher Nguyen Do been licensed in?
Dmand AI has state licenses on file for Dr. Do in California (1997 to 2027) and Texas (1996 to 2001).
Which hospitals is Dr. Chistopher Nguyen Do affiliated with?
Dr. Do is affiliated with Santa Clara Valley Medical Center.
What medical group is Dr. Chistopher Nguyen Do part of?
Dr. Do is linked to Christopher N Do, MD.
Does Dr. Chistopher Nguyen Do accept Medicare?
Yes. CMS data shows Dr. Do billed Medicare for 17,622 services in 2024, and Dr. Do accepts Medicare assignment.
Does Dr. Chistopher Nguyen Do offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Do as offering telehealth services.
Show 8 more questionsShow fewer questions
What is Dr. Chistopher Nguyen Do's MIPS score?
Dr. Do's MIPS final score for performance year 2024 is 19 out of 100, reported individually.
How many Medicare patients does Dr. Chistopher Nguyen Do see?
CMS counts 508 Medicare patients who saw Dr. Do in 2024, with an average age of 74.
What services does Dr. Chistopher Nguyen Do bill to Medicare?
In 2024, Dr. Do's most billed Medicare services were office visit, established patient (99213), medical service (98928) and care management and other visits (99458).
Where did Dr. Chistopher Nguyen Do go to medical school?
Dr. Do graduated from Texas Tech University Health Sciences Center School of Medicine in 1994.
What drugs does Dr. Chistopher Nguyen Do prescribe most?
In 2024 Medicare Part D data, Dr. Do's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
Has Dr. Chistopher Nguyen Do received payments from drug or device companies?
CMS Open Payments shows $4,020 in general payments to Dr. Do from 21 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Chistopher Nguyen Do been practicing?
Dr. Do graduated from medical school in 1994, 32 years ago.
What insurance does Dr. Chistopher Nguyen Do accept?
Dr. Do is in network with 15 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
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