Dr. Tan Dinh Ngo, MD
- Medicare services, 2024
- 30,243
- Medicare patients, 2024
- 293
- Part D claims, 2024
- 5,824
- MIPS score, 2024
- 27
- Industry payments
- $124
- Practice address
- 9431 Edinger Avenue, Westminster, CA 92683
- Practice phone
- Call (714) 839-8400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
La Vang Medical Center
Physician office · Westminster, California
Find Dr. Ngo's professional email, personal email and mobile number
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Dr. Tan Dinh Ngo is an internist in Westminster, California
Dr. Ngo practices at La Vang Medical Center in Westminster, California.
Dr. Ngo's NPI, 1770503997, was assigned on July 20, 2006. Dr. Ngo graduated from University of Southern California Keck School of Medicine in 1991. Dr. Ngo holds California license G75839L.
- NPI
- 1770503997NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1153517545
- NPI enumeration date
- July 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 839-8400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tan Dinh Ngo practices at La Vang Medical Center in Westminster, California
Dr. Ngo's primary practice is La Vang Medical Center, at 9431 Edinger Avenue, Westminster, CA 92683. The practice phone is (714) 839-8400.
- La Vang Medical Center9431 Edinger Avenue, Westminster, CA 92683Phone(714) 839-8400
Source: Dmand AI Affiliation Data
Dr. Tan Dinh Ngo is affiliated with 3 sites of care
Dr. Ngo's primary practice is La Vang Medical Center in Westminster, California. Dmand AI also links Dr. Ngo to 2 home health agencies, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Tan Dinh Ngo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ngo practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| La Vang Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Tan Dinh Ngo is one of 16,751 internists in California
Internal medicine is Dr. Ngo's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ngo is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Ngo
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. Tan Dinh Ngo billed Medicare for 30,243 services in 2024
CMS data shows 30,243 Medicare services from Dr. Ngo across 28 procedure codes in 2024, for 293 Medicare patients. Medicare paid $593,877 for them. Every service was in an office.
Dr. Ngo's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 23,2202024: 21,6647%
- Drugs given in the office
- 2023: 1,3162024: 3,910197%
- Office and hospital visits
- 2023: 2,9362024: 2,8573%
- Surgery
- 2023: 1,6782024: 1,6661%
- Other services
- 2023: 1382024: 1466%
Dr. Ngo compared with the California median for internists, 2024
- Dr. Ngo
- California median
- Medicare services
- 30,243vs 36183.8 times
- Medicare patients
- 293vs 15194% above
- Part D claims
- 5,405vs 42112.8 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Ngo'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. Ngo and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tan Dinh Ngo treated 293 Medicare patients in 2024, average age 81
CMS counts 293 Medicare patients who saw Dr. Ngo in 2024. The largest group is 75 to 84, with 114 patients. 75% of them have arthritis, and 75% have high blood pressure. 96% are also on Medicaid. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ngo's median patient age at 81, with 73% women.
Dr. Ngo's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ngo's Medicare patients by sex, 2024
- Women21272%
- Men8128%
Chronic conditions among Dr. Ngo's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Anxiety65%
- Diabetes46%
- Asthma32%
- Chronic kidney disease27%
- Osteoporosis26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ngo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 81
Patient panel by sex, all payers
- Women73%
- Men27%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tan Dinh Ngo wrote 5,824 Medicare Part D claims in 2024
In 2024, Dr. Ngo wrote 5,824 Medicare Part D claims for 206 patients. 84% of them were for generic drugs. CMS names the drug for 5,405 of them, across 106 drugs with 11 or more claims each, at $520,947 in total drug cost. In 2023, CMS named 4,848 claims across 99 drugs.
Dr. Ngo's Part D claims by kind of drug, 2024
- Generic4,884 claims84%
- Brand-name866 claims15%
- Other74 claims1%
Dr. Ngo'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. Ngo's Part D claims, 2024
- Opioids1%70 of 5,824 claims
- Antibiotics4%255 of 5,824 claims
- Antipsychotics, patients 65 and over0%22 of 5,824 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: 4,8482024: 5,40511%
Drugs named by CMS: 106 in 2024, 99 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. Tan Dinh Ngo scored 27 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 27 out of 100 for Dr. Ngo for performance year 2024, reported individually. Dr. Ngo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Ngo's MIPS scores, performance year 2024
- 27of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 91of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Tan Dinh Ngo received $124 in industry payments from 2017 to 2024
CMS Open Payments shows 7 general payments to Dr. Ngo from 2 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $78.
General payments to Dr. Ngo by program year, 2017 to 2024
Companies that paid Dr. Ngo the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Tan Dinh Ngo graduated from University of Southern California Keck School of Medicine
Dr. Ngo graduated from University of Southern California Keck School of Medicine in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Tan Dinh Ngo'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Tan Dinh Ngo
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. Tan Dinh Ngo's NPI number?
Dr. Tan Dinh Ngo's NPI number is 1770503997. It was assigned on July 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Tan Dinh Ngo?
Dr. Tan Dinh Ngo is an internist in Westminster, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Tan Dinh Ngo practice?
Dr. Ngo practices at 9431 Edinger Avenue, Westminster, CA 92683. Dr. Ngo's primary practice is La Vang Medical Center in Westminster, California. Dmand AI also links Dr. Ngo to 2 home health agencies.
What is Dr. Tan Dinh Ngo's office phone number?
The practice phone on file for Dr. Ngo is (714) 839-8400.
What is Dr. Tan Dinh Ngo's medical license number?
Dr. Ngo holds California license G75839L.
Does Dr. Tan Dinh Ngo accept Medicare?
Yes. CMS data shows Dr. Ngo billed Medicare for 30,243 services in 2024, and Dr. Ngo accepts Medicare assignment.
What is Dr. Tan Dinh Ngo's MIPS score?
Dr. Ngo's MIPS final score for performance year 2024 is 27 out of 100, reported individually.
How many Medicare patients does Dr. Tan Dinh Ngo see?
CMS counts 293 Medicare patients who saw Dr. Ngo in 2024, with an average age of 81.
What services does Dr. Tan Dinh Ngo bill to Medicare?
In 2024, Dr. Ngo's most billed Medicare services were physical therapy and rehabilitation (97110), physical therapy and rehabilitation (97035) and injected or infused drug (J1010).
Where did Dr. Tan Dinh Ngo go to medical school?
Dr. Ngo graduated from University of Southern California Keck School of Medicine in 1991.
Show 3 more questionsShow fewer questions
What drugs does Dr. Tan Dinh Ngo prescribe most?
In 2024 Medicare Part D data, Dr. Ngo's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Vascepa.
Has Dr. Tan Dinh Ngo received payments from drug or device companies?
CMS Open Payments shows $124 in general payments to Dr. Ngo from 2 companies from 2017 to 2024. The largest total came from Amgen Inc.
How long has Dr. Tan Dinh Ngo been practicing?
Dr. Ngo graduated from medical school in 1991, 35 years ago.
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