Dr. Ngocbich Thi Nguyen, MD
- Medicare services, 2024
- 2,846
- Medicare patients, 2024
- 78
- Part D claims, 2024
- 1,636
- Hospital affiliations
- 1
- Industry payments
- $5,498
- Practice address
- 3969 4th Ave, San Diego, CA 92103
- Practice phone
- Call (619) 298-2900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ngocbich Nguyen, M.D., Inc.
San Diego, California
Find Dr. Nguyen'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. Ngocbich Thi Nguyen is an internist in San Diego, California
Dr. Nguyen practices at Ngocbich Nguyen, M.D., Inc. in San Diego, California.
Dr. Nguyen's NPI, 1578663787, was assigned on September 25, 2006. Dr. Nguyen graduated from UC Davis School of Medicine in 2000. Dr. Nguyen's California license number on file is WA77428B.
- NPI
- 1578663787NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4385628676
- NPI enumeration date
- September 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (619) 298-2900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ngocbich Thi Nguyen practices at Ngocbich Nguyen, M.D., Inc. in San Diego, California
Dr. Nguyen's primary practice is Ngocbich Nguyen, M.D., Inc., at 3969 4th Ave, San Diego, CA 92103 in San Diego County. The practice phone is (619) 298-2900.
- Ngocbich Nguyen, M.D., Inc.3969 4th Ave, San Diego, CA 92103 · San Diego CountyPhone(619) 298-2900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ngocbich Thi Nguyen is affiliated with 5 sites of care
Dr. Nguyen's primary practice is Ngocbich Nguyen, M.D., Inc. in San Diego, California. Dr. Nguyen is also affiliated with Scripps Mercy Hospital San Diego. Dmand AI also links Dr. Nguyen to 2 more physician offices and 1 home health agency, 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. Ngocbich Thi Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nguyen practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ngocbich Nguyen, M.D., Inc. | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ngocbich Thi Nguyen is one of 16,751 internists in California
Internal medicine is Dr. Nguyen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nguyen is board certified in internal medicine by the National Board of Physicians and Surgeons. Dr. Nguyen has a license on file in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists asthma, bronchitis, chronic diabetes, chronic hypertension, diabetic emergency, fluid and electrolyte imbalances, high cholesterol and hypercalcemia among the conditions Dr. Nguyen treats.
Internists near Dr. Nguyen
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. Ngocbich Thi Nguyen billed Medicare for 2,846 services in 2024
CMS data shows 2,846 Medicare services from Dr. Nguyen across 16 procedure codes in 2024, for 78 Medicare patients. Medicare paid $86,763 for them. Every service was in an office.
Dr. Nguyen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 2,4602024: 2,10015%
- Office and hospital visits
- 2023: 2322024: 28925%
- Tests and treatments
- 2023: 1532024: 22849%
- Other services
- 2023: 1232024: 1184%
- Surgery
- 2023: 792024: 9318%
- Lab and pathology
- 2023: 02024: 18
Dr. Nguyen compared with the California median for internists, 2024
- Dr. Nguyen
- California median
- Medicare services
- 2,846vs 3617.9 times
- Medicare patients
- 78vs 15148% below
- Part D claims
- 1,158vs 4212.8 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Nguyen'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.
Need commercial claims for Dr. Nguyen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nguyen and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ngocbich Thi Nguyen treated 78 Medicare patients in 2024, average age 77
CMS counts 78 Medicare patients who saw Dr. Nguyen in 2024. The largest group is 75 to 84, with 35 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nguyen's median patient age at 71, with 66% women.
Dr. Nguyen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Nguyen's Medicare patients by sex, 2024
- Women4963%
- Men2937%
Chronic conditions among Dr. Nguyen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Osteoporosis44%
- Diabetes24%
- Atrial fibrillation21%
- Chronic kidney disease18%
- Cancer15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nguyen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women66%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ngocbich Thi Nguyen wrote 1,636 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 1,636 Medicare Part D claims for 119 patients. 83% of them were for generic drugs. CMS names the drug for 1,158 of them, across 45 drugs with 11 or more claims each, at $171,319 in total drug cost. In 2023, CMS named 1,186 claims across 48 drugs.
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic1,355 claims83%
- Brand-name and other281 claims17%
Dr. Nguyen'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. Nguyen's Part D claims, 2024
- Antibiotics2%31 of 1,636 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: 1,1862024: 1,1582%
Drugs named by CMS: 45 in 2024, 48 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. Ngocbich Thi Nguyen offers telehealth to Medicare patients
Dr. Nguyen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Nguyen as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ngocbich Thi Nguyen received $5,498 in industry payments from 2016 to 2025
CMS Open Payments shows 255 general payments to Dr. Nguyen from 30 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. Amgen Inc. paid the most, $944.
General payments to Dr. Nguyen by program year, 2016 to 2025
General payments to Dr. Nguyen by kind, 2016 to 2025
- Food and beverage$5,27896%
- Education$2194%
Companies that paid Dr. Nguyen 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. Ngocbich Thi Nguyen has 1 award and honors on record
Dmand AI lists 1 award for Dr. Nguyen, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Nguyen
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Ngocbich Thi Nguyen graduated from UC Davis School of Medicine
Dr. Nguyen graduated from UC Davis School of Medicine in 2000. Dr. Nguyen is a member of ACP.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Ngocbich Thi Nguyen accepts plans from 10 insurance carriers
Dr. Nguyen is in network with 10 carriers, including Aetna, United Healthcare and Humana. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Humana
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Aspirus Health Plan
- Blue Cross Blue Shield of Michigan
- CMS Medicare
- +2 more carriersWith a free account
Plan types Dr. Nguyen accepts, by number of carriers
- Medicare6
- HMO5
- PPO5
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Ngocbich Thi Nguyen'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Ngocbich Thi Nguyen
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. Ngocbich Thi Nguyen's NPI number?
Dr. Ngocbich Thi Nguyen's NPI number is 1578663787. It was assigned on September 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ngocbich Thi Nguyen?
Dr. Ngocbich Thi Nguyen is an internist in San Diego, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ngocbich Thi Nguyen practice?
Dr. Nguyen practices at 3969 4th Ave, San Diego, CA 92103. Dr. Nguyen's primary practice is Ngocbich Nguyen, M.D., Inc. in San Diego, California. Dmand AI also links Dr. Nguyen to 2 physician offices and 1 home health agency.
What is Dr. Ngocbich Thi Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (619) 298-2900.
What is Dr. Ngocbich Thi Nguyen's medical license number?
Dr. Nguyen's California license number on file is WA77428B.
Which hospitals is Dr. Ngocbich Thi Nguyen affiliated with?
Dr. Nguyen is affiliated with Scripps Mercy Hospital San Diego.
Does Dr. Ngocbich Thi Nguyen accept Medicare?
Yes. CMS data shows Dr. Nguyen billed Medicare for 2,846 services in 2024, and Dr. Nguyen accepts Medicare assignment.
Does Dr. Ngocbich Thi Nguyen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Nguyen as offering telehealth services.
How many Medicare patients does Dr. Ngocbich Thi Nguyen see?
CMS counts 78 Medicare patients who saw Dr. Nguyen in 2024, with an average age of 77.
Is Dr. Ngocbich Thi Nguyen board certified?
Yes. Dr. Nguyen is board certified in internal medicine by the National Board of Physicians and Surgeons.
Show 6 more questionsShow fewer questions
What services does Dr. Ngocbich Thi Nguyen bill to Medicare?
In 2024, Dr. Nguyen's most billed Medicare services were injected or infused drug (J0897), office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. Ngocbich Thi Nguyen go to medical school?
Dr. Nguyen graduated from UC Davis School of Medicine in 2000.
What drugs does Dr. Ngocbich Thi Nguyen prescribe most?
In 2024 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
Has Dr. Ngocbich Thi Nguyen received payments from drug or device companies?
CMS Open Payments shows $5,498 in general payments to Dr. Nguyen from 30 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Ngocbich Thi Nguyen been practicing?
Dr. Nguyen graduated from medical school in 2000, 26 years ago.
What insurance does Dr. Ngocbich Thi Nguyen accept?
Dr. Nguyen is in network with 10 carriers, including Aetna, United Healthcare and Humana. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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