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Dr. Long Thanh Nguyendo, MD
NPI1285969162PAC ID3678798782
- Medicare patients, 2024
- 29
- Part D claims, 2024
- 5,577
- Publications
- 2
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 9961 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nguyendo's professional email, personal email and mobile number
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Dr. Long Thanh Nguyendo is an internist in Fontana, California
Dr. Nguyendo practices at Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
Dr. Nguyendo's NPI, 1285969162, was assigned on October 9, 2009. Dr. Nguyendo graduated from Uniformed Services University, F. Edward Hebert School of Medicine in 2009. Dr. Nguyendo holds California license C162879.
NPI and contact details
- NPI
- 1285969162NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678798782
- NPI enumeration date
- October 9, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Long Thanh Nguyendo practices at Fontana Medical Center in Fontana, California
Dr. Nguyendo's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Fontana Medical Center9961 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Source: Dmand AI Affiliation Data
Dr. Long Thanh Nguyendo is affiliated with 1 site of care and 1 medical group
Dr. Nguyendo's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Long Thanh Nguyendo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nguyendo practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fontana Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Long Thanh Nguyendo is one of 16,751 internists in California
Internal medicine is Dr. Nguyendo's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nguyendo is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Nguyendo's licenses on file in 2 states: California and Georgia.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Georgia license
Clinical focus
Dmand AI lists fibromyalgia and chronic pain, muscle pain, fibromyalgia, and limb pain, peripheral vascular disease and UTI among the conditions Dr. Nguyendo treats.
Internists near Dr. Nguyendo
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. Long Thanh Nguyendo treated 29 Medicare patients in 2024, average age 62
CMS counts 29 Medicare patients who saw Dr. Nguyendo in 2024. 48% of them have high blood pressure, and 45% have high cholesterol. 59% are also on Medicaid. Their average risk score is 1.14, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nguyendo's median patient age at 53, with 62% women.
Medicare patients, 202429
Average age62
Average risk score1.14
Also on Medicaid59%
Dr. Nguyendo's Medicare patients by sex, 2024
- Women1448%
- Men1552%
Chronic conditions among Dr. Nguyendo's Medicare patients, 2024
- High blood pressure48%
- High cholesterol45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nguyendo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Long Thanh Nguyendo wrote 5,577 Medicare Part D claims in 2024
In 2024, Dr. Nguyendo wrote 5,577 Medicare Part D claims for 971 patients. 88% of them were for generic drugs. CMS names the drug for 4,947 of them, across 101 drugs with 11 or more claims each, at $261,680 in total drug cost. In 2023, CMS named 2,900 claims across 78 drugs.
Part D claims, 20245,577
Drugs named by CMS101
Total drug cost$261,680
Part D patients971
Dr. Nguyendo's Part D claims by kind of drug, 2024
- Generic4,924 claims88%
- Brand-name529 claims9%
- Other124 claims2%
Dr. Nguyendo'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. Nguyendo's Part D claims, 2024
- Opioids8%441 of 5,577 claims
- Antibiotics2%84 of 5,577 claims
- Antipsychotics, patients 65 and over0%15 of 5,577 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: 2,9002024: 4,94771%
Drugs named by CMS: 101 in 2024, 78 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. Long Thanh Nguyendo offers telehealth to Medicare patients
Dr. Nguyendo accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Nguyendo as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Long Thanh Nguyendo has 2 publications on record
Dmand AI links 2 papers to Dr. Nguyendo. Dr. Nguyendo's most frequent co-author is Edward Conrad Michaud, MD.
Papers2
Dr. Nguyendo's most frequent co-authors
Recent publications by Dr. Nguyendo
See who Dr. Nguyendo researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nguyendo works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Long Thanh Nguyendo has 8 awards and honors on record
Dmand AI lists 8 awards for Dr. Nguyendo, most recently Army Commendation Medal, Oversea Service Ribbon, Korea Defense Service Medal in 2017.
Awards and honors for Dr. Nguyendo
- 2017
- Army Commendation Medal, Oversea Service Ribbon, Korea Defense Service Medal
- 2014
- Meritorious Service Medal
- 2013
- Army Commendation Medal
- 2012
- Army Commendation Medal, Afghan Campaign Medal, NATO Service Medal
- Glen Ramos Award for Superior Clinical Practice
- 2009
- Army Achievement Medal x 2
Source: Dmand AI Professional Profile Data
Dr. Long Thanh Nguyendo graduated from Uniformed Services University, F. Edward Hebert School of Medicine
Dr. Nguyendo graduated from Uniformed Services University, F. Edward Hebert School of Medicine in 2009.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Long Thanh Nguyendo accepts plans from 2 insurance carriers
Dr. Nguyendo is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Nguyendo accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Long Thanh Nguyendo'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 DataDmand AI Org Hierarchy Data |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Long Thanh Nguyendo
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. Long Thanh Nguyendo's NPI number?
Dr. Long Thanh Nguyendo's NPI number is 1285969162. It was assigned on October 9, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Long Thanh Nguyendo?
Dr. Long Thanh Nguyendo is an internist in Fontana, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Long Thanh Nguyendo practice?
Dr. Nguyendo practices at 9961 Sierra Ave, Fontana, CA 92335. Dr. Nguyendo's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
What is Dr. Long Thanh Nguyendo's office phone number?
The practice phone on file for Dr. Nguyendo is (909) 427-5000.
What is Dr. Long Thanh Nguyendo's medical license number?
Dr. Nguyendo holds California license C162879, one of the licenses on file in 2 states.
Which states has Dr. Long Thanh Nguyendo been licensed in?
Dmand AI has state licenses on file for Dr. Nguyendo in California (2019 to 2027) and Georgia (2011 to 2020).
Which hospitals is Dr. Long Thanh Nguyendo affiliated with?
Dr. Nguyendo practices at Fontana Medical Center in Fontana, California.
What medical group is Dr. Long Thanh Nguyendo part of?
Dr. Nguyendo is linked to Southern California Permanente Medical Group.
Does Dr. Long Thanh Nguyendo accept Medicare?
Yes. CMS lists Dr. Nguyendo as accepting Medicare assignment.
Does Dr. Long Thanh Nguyendo offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Nguyendo as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Long Thanh Nguyendo see?
CMS counts 29 Medicare patients who saw Dr. Nguyendo in 2024, with an average age of 62.
Is Dr. Long Thanh Nguyendo board certified?
Yes. Dr. Nguyendo is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Long Thanh Nguyendo go to medical school?
Dr. Nguyendo graduated from Uniformed Services University, F. Edward Hebert School of Medicine in 2009.
What drugs does Dr. Long Thanh Nguyendo prescribe most?
In 2024 Medicare Part D data, Dr. Nguyendo's most prescribed drugs by claims were Atorvastatin Calcium, Hydrocodone-Acetaminophen and Amlodipine Besylate.
How long has Dr. Long Thanh Nguyendo been practicing?
Dr. Nguyendo graduated from medical school in 2009, 17 years ago.
Does Dr. Long Thanh Nguyendo do research?
Dmand AI links 2 publications to Dr. Nguyendo.
Who does Dr. Long Thanh Nguyendo publish with?
Dr. Nguyendo's most frequent co-authors are Edward Conrad Michaud, MD (1 shared paper).
What insurance does Dr. Long Thanh Nguyendo accept?
Dr. Nguyendo is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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