Dr. Thien-Kim Nguyen Co, DO
- Medicare services, 2024
- 591
- Medicare patients, 2024
- 81
- Part D claims, 2024
- 348
- Hospital affiliations
- 5
- Industry payments
- $1,232
- Practice address
- 15625 Lakewood Boulevard, Paramount, CA 90723
- Practice phone
- Call (310) 634-9774
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
DaVita Paramount Dialysis Center
Dialysis Center - Independent · Paramount, California
Find Dr. Co's professional email, personal email and mobile number
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Dr. Thien-Kim Nguyen Co is an internist in Paramount, California
Dr. Co practices at DaVita Paramount Dialysis Center in Paramount, California.
Dr. Co's NPI, 1033732953, was assigned on May 27, 2020. Dr. Co graduated from Touro University California - Vallejo in 2020. Dr. Co's California license number on file is 20A20255.
- NPI
- 1033732953NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688029317
- NPI enumeration date
- May 27, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 634-9774
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thien-Kim Nguyen Co practices at DaVita Paramount Dialysis Center in Paramount, California
Dr. Co's primary practice is DaVita Paramount Dialysis Center, at 15625 Lakewood Boulevard, Paramount, CA 90723 in Los Angeles County. The practice phone is (310) 634-9774.
- DaVita Paramount Dialysis Center15625 Lakewood Boulevard, Paramount, CA 90723 · Los Angeles CountyPhone(310) 634-9774
Source: Dmand AI Affiliation Data
Dr. Thien-Kim Nguyen Co is affiliated with 7 sites of care and 2 medical groups
Dr. Co's primary practice is DaVita Paramount Dialysis Center in Paramount, California. Dr. Co is also affiliated with UCI Health - Orange. The medical group on file is Excell Medical Group. Dmand AI also links Dr. Co to 4 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thien-Kim Nguyen Co's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Co practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| DaVita Paramount Dialysis Center | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thien-Kim Nguyen Co is one of 16,751 internists in California
Internal medicine is Dr. Co's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Co is board certified in certified hypertension specialist by the AHSCP. Dr. Co has a license on file in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Co
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. Thien-Kim Nguyen Co billed Medicare for 591 services in 2024
CMS data shows 591 Medicare services from Dr. Co across 3 procedure codes in 2024, for 81 Medicare patients. Medicare paid $49,585 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Co compared with the California median for internists, 2024
- Dr. Co
- California median
- Medicare services
- 591vs 36164% above
- Medicare patients
- 81vs 15146% below
- Part D claims
- 169vs 42160% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Co'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. Co and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thien-Kim Nguyen Co treated 81 Medicare patients in 2024, average age 73
CMS counts 81 Medicare patients who saw Dr. Co in 2024. The largest group is 65 to 74, with 39 patients. 75% of them have high blood pressure, and 74% have mood disorders. 85% are also on Medicaid. Their average risk score is 2.47, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Co's median patient age at 69, with 48% women.
Dr. Co's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Co's Medicare patients by sex, 2024
- Women3341%
- Men4859%
Chronic conditions among Dr. Co's Medicare patients, 2024
- High blood pressure75%
- Mood disorders74%
- Depression73%
- High cholesterol72%
- Diabetes68%
- Anxiety65%
- Arthritis62%
- Alzheimer's and dementia54%
Share of Medicare patients with each condition. A patient can have several.
Dr. Co's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thien-Kim Nguyen Co wrote 348 Medicare Part D claims in 2024
In 2024, Dr. Co wrote 348 Medicare Part D claims for 71 patients. 88% of them were for generic drugs. CMS names the drug for 169 of them, across 10 drugs with 11 or more claims each, at $1,626 in total drug cost.
Dr. Co's Part D claims by kind of drug, 2024
- Generic307 claims88%
- Brand-name and other41 claims12%
Dr. Co'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.
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
How Dr. Thien-Kim Nguyen Co takes part in Medicare
Dr. Co accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Thien-Kim Nguyen Co received $1,232 in industry payments from 2023 to 2025
CMS Open Payments shows 44 general payments to Dr. Co from 13 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Aurinia Pharma U.S., Inc. paid the most, $351.
General payments to Dr. Co by program year, 2023 to 2025
Companies that paid Dr. Co the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thien-Kim Nguyen Co graduated from Touro University California - Vallejo
Dr. Co graduated from Touro University California - Vallejo in 2020. Dr. Co is a member of ACP and ASN.
- Medical school
- Board certified in certified hypertension specialist
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Thien-Kim Nguyen Co accepts plans from 1 insurance carrier
Dr. Co is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Thien-Kim Nguyen Co'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 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) |
| 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. Thien-Kim Nguyen Co
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. Thien-Kim Nguyen Co's NPI number?
Dr. Thien-Kim Nguyen Co's NPI number is 1033732953. It was assigned on May 27, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Thien-Kim Nguyen Co?
Dr. Thien-Kim Nguyen Co is an internist in Paramount, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Thien-Kim Nguyen Co practice?
Dr. Co practices at 15625 Lakewood Boulevard, Paramount, CA 90723. Dr. Co's primary practice is DaVita Paramount Dialysis Center in Paramount, California. Dmand AI also links Dr. Co to 4 hospitals, 1 group practice or clinic and 1 medical group.
What is Dr. Thien-Kim Nguyen Co's office phone number?
The practice phone on file for Dr. Co is (310) 634-9774.
What is Dr. Thien-Kim Nguyen Co's medical license number?
Dr. Co's California license number on file is 20A20255.
Which hospitals is Dr. Thien-Kim Nguyen Co affiliated with?
Dr. Co is affiliated with UCI Health - Orange. Dmand AI links Dr. Co to 4 more hospitals.
What medical group is Dr. Thien-Kim Nguyen Co part of?
Dr. Co is linked to Excell Medical Group. Dmand AI links Dr. Co to 1 more medical group.
Does Dr. Thien-Kim Nguyen Co accept Medicare?
Yes. CMS data shows Dr. Co billed Medicare for 591 services in 2024, and Dr. Co accepts Medicare assignment.
How many Medicare patients does Dr. Thien-Kim Nguyen Co see?
CMS counts 81 Medicare patients who saw Dr. Co in 2024, with an average age of 73.
Is Dr. Thien-Kim Nguyen Co board certified?
Yes. Dr. Co is board certified in certified hypertension specialist by the AHSCP.
Show 6 more questionsShow fewer questions
What services does Dr. Thien-Kim Nguyen Co bill to Medicare?
In 2024, Dr. Co's most billed Medicare services were nursing facility care (99309), nursing facility care (99306) and care management and other visits (99497).
Where did Dr. Thien-Kim Nguyen Co go to medical school?
Dr. Co graduated from Touro University California - Vallejo in 2020.
What drugs does Dr. Thien-Kim Nguyen Co prescribe most?
In 2024 Medicare Part D data, Dr. Co's most prescribed drugs by claims were Pravastatin Sodium, Metformin HCl and Losartan Potassium.
Has Dr. Thien-Kim Nguyen Co received payments from drug or device companies?
CMS Open Payments shows $1,232 in general payments to Dr. Co from 13 companies from 2023 to 2025. The largest total came from Aurinia Pharma U.S., Inc.
How long has Dr. Thien-Kim Nguyen Co been practicing?
Dr. Co graduated from medical school in 2020, 6 years ago.
What insurance does Dr. Thien-Kim Nguyen Co accept?
Dr. Co is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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