Dr. Phuong Tinh Nguyen, DO

  • Sierra Madre, CA
  • Internist
NPI1336609908PAC ID6901289289
Medicare services, 2024
463
Medicare patients, 2024
129
Part D claims, 2024
1,445
Industry payments
$1,193
Affiliated sites
1
Practice address
147 W Sierra Madre Blvd, Sierra Madre, CA 91024
Practice phone
Call (626) 355-3443
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Sierra Madre Community Medical Group, Inc

Sierra Madre, California

See all 3 affiliations

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Dr. Phuong Tinh Nguyen is an internist in Sierra Madre, California

Dr. Nguyen practices at Sierra Madre Community Medical Group, Inc in Sierra Madre, California.

Dr. Nguyen's NPI, 1336609908, was assigned on March 20, 2019. Dr. Nguyen graduated from Touro University Nevada in 2019. Dr. Nguyen's California license number on file is 20A19418.

NPI and contact details
Medicare PAC ID
6901289289
NPI enumeration date
March 20, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(626) 355-3443
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
33
Medical school graduation
2019

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Phuong Tinh Nguyen practices at Sierra Madre Community Medical Group, Inc in Sierra Madre, California

Dr. Nguyen's primary practice is Sierra Madre Community Medical Group, Inc, at 147 W Sierra Madre Blvd, Sierra Madre, CA 91024 in Los Angeles County. The practice phone is (626) 355-3443.

  • Sierra Madre Community Medical Group, Inc
    147 W Sierra Madre Blvd, Sierra Madre, CA 91024 · Los Angeles CountyPhone(626) 355-3443

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Phuong Tinh Nguyen is affiliated with 2 sites of care and 1 medical group

Dr. Nguyen's primary practice is Sierra Madre Community Medical Group, Inc in Sierra Madre, California. The medical group on file is Sierra Madre Community Medical Group. Dmand AI also links Dr. Nguyen to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Nguyen

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Phuong Tinh Nguyen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nguyen practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sierra Madre Community Medical Group, IncAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Phuong Tinh 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 American Board of Internal Medicine. Dr. Nguyen has a license on file in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense 20A19418 · 2022 to 2025 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acute sinusitis, aneurysm, atrial fibrillation and flutter, benign or precancerous skin growths, chronic anemia, chronic diabetes, chronic embolism thrombosis and chronic hypertension 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.

16,751internists in California
3internists in Sierra Madre

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Phuong Tinh Nguyen billed Medicare for 463 services in 2024

CMS data shows 463 Medicare services from Dr. Nguyen across 8 procedure codes in 2024, for 129 Medicare patients. Medicare paid $37,049 for them. Every service was in an office.

Medicare services, 2024463
Medicare patients129
Paid by Medicare$37,049
Procedure codes8

Dr. Nguyen's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2492024: 2688%
Other services
2023: 1412024: 1308%
Tests and treatments
2023: 642024: 4234%
Lab and pathology
2023: 192024: 2321%

Dr. Nguyen compared with the California median for internists, 2024

  • Dr. Nguyen
  • California median
Medicare services
463vs 36128% above
Medicare patients
129vs 15115% below
Part D claims
1,168vs 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.

See all procedures by Dr. Nguyen

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nguyen and other internists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Phuong Tinh Nguyen treated 129 Medicare patients in 2024, average age 73

CMS counts 129 Medicare patients who saw Dr. Nguyen in 2024. The largest group is 65 to 74, with 75 patients. 75% of them have high cholesterol, and 64% have high blood pressure. 31% are also on Medicaid. Their average risk score is 0.98, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Nguyen's median patient age at 52, with 39% women.

Medicare patients, 2024129
Average age73
Average risk score0.98
Also on Medicaid31%

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

  • Women6450%
  • Men6550%

Chronic conditions among Dr. Nguyen's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure64%
  3. Arthritis41%
  4. Diabetes36%
  5. Osteoporosis34%
  6. Mood disorders30%
  7. Depression28%
  8. Chronic kidney disease19%

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 52

Patient panel by sex, all payers

  • Women39%
  • Men60%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Phuong Tinh Nguyen wrote 1,445 Medicare Part D claims in 2024

In 2024, Dr. Nguyen wrote 1,445 Medicare Part D claims for 187 patients. 85% of them were for generic drugs. CMS names the drug for 1,168 of them, across 45 drugs with 11 or more claims each, at $130,360 in total drug cost. In 2023, CMS named 875 claims across 39 drugs.

Part D claims, 20241,445
Drugs named by CMS45
Total drug cost$130,360
Part D patients187

Dr. Nguyen's Part D claims by kind of drug, 2024

  • Generic1,229 claims85%
  • Brand-name196 claims14%
  • Other20 claims1%

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

  • Antibiotics4%60 of 1,445 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: 8752024: 1,16833%

Drugs named by CMS: 45 in 2024, 39 in 2023.

See all prescribing by Dr. Nguyen

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. Phuong Tinh 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. Phuong Tinh Nguyen received $1,193 in industry payments from 2023 to 2025

CMS Open Payments shows 44 general payments to Dr. Nguyen from 9 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $242.

General payments to Dr. Nguyen by program year, 2023 to 2025

Companies that paid Dr. Nguyen the most, 2023 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Nguyen

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Phuong Tinh Nguyen graduated from Touro University Nevada

Dr. Nguyen graduated from Touro University Nevada in 2019.

  1. Medical schoolTouro University Nevada
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Phuong Tinh Nguyen accepts plans from 16 insurance carriers

Dr. Nguyen is in network with 16 carriers, including Blue Cross Blue Shield of Michigan, Elevance and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • Elevance
  • United Healthcare
  • HCSC
  • Aetna
  • Blue Cross Blue Shield of Massachusetts
  • LA Care
  • Regence Health Plans
  • +8 more carriersWith a free account

Plan types Dr. Nguyen accepts, by number of carriers

  1. PPO9
  2. HMO8
  3. Medicare8
  4. EPO3
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. Phuong Tinh Nguyen's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Phuong Tinh 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. Phuong Tinh Nguyen's NPI number?

Dr. Phuong Tinh Nguyen's NPI number is 1336609908. It was assigned on March 20, 2019, and it is active in the NPI Registry.

What kind of doctor is Dr. Phuong Tinh Nguyen?

Dr. Phuong Tinh Nguyen is an internist in Sierra Madre, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Phuong Tinh Nguyen practice?

Dr. Nguyen practices at 147 W Sierra Madre Blvd, Sierra Madre, CA 91024. Dr. Nguyen's primary practice is Sierra Madre Community Medical Group, Inc in Sierra Madre, California. Dmand AI also links Dr. Nguyen to 1 group practice or clinic.

What is Dr. Phuong Tinh Nguyen's office phone number?

The practice phone on file for Dr. Nguyen is (626) 355-3443.

What is Dr. Phuong Tinh Nguyen's medical license number?

Dr. Nguyen's California license number on file is 20A19418.

What medical group is Dr. Phuong Tinh Nguyen part of?

Dr. Nguyen is linked to Sierra Madre Community Medical Group.

Does Dr. Phuong Tinh Nguyen accept Medicare?

Yes. CMS data shows Dr. Nguyen billed Medicare for 463 services in 2024, and Dr. Nguyen accepts Medicare assignment.

Does Dr. Phuong Tinh Nguyen offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Nguyen as offering telehealth services.

How many Medicare patients does Dr. Phuong Tinh Nguyen see?

CMS counts 129 Medicare patients who saw Dr. Nguyen in 2024, with an average age of 73.

Is Dr. Phuong Tinh Nguyen board certified?

Yes. Dr. Nguyen is board certified in internal medicine by the American Board of Internal Medicine.

Show 6 more questionsShow fewer questions

What services does Dr. Phuong Tinh Nguyen bill to Medicare?

In 2024, Dr. Nguyen's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).

Where did Dr. Phuong Tinh Nguyen go to medical school?

Dr. Nguyen graduated from Touro University Nevada in 2019.

What drugs does Dr. Phuong Tinh Nguyen prescribe most?

In 2024 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.

Has Dr. Phuong Tinh Nguyen received payments from drug or device companies?

CMS Open Payments shows $1,193 in general payments to Dr. Nguyen from 9 companies from 2023 to 2025. The largest total came from Amgen Inc.

How long has Dr. Phuong Tinh Nguyen been practicing?

Dr. Nguyen graduated from medical school in 2019, 7 years ago.

What insurance does Dr. Phuong Tinh Nguyen accept?

Dr. Nguyen is in network with 16 carriers, including Blue Cross Blue Shield of Michigan, Elevance and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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