Dr. Loren Chen, MD
- Medicare services, 2024
- 489
- Medicare patients, 2024
- 126
- Part D claims, 2024
- 1,036
- Hospital affiliations
- 2
- Industry payments
- $531
- Practice address
- 1701 North George Mason Drive, Arlington, VA 22205
- Practice phone
- Call (703) 558-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Loren Chen is an internist in Arlington, Virginia
Dr. Chen practices at VHC Health in Arlington, Virginia, part of VHC Health.
Dr. Chen's NPI, 1992932917, was assigned on June 17, 2009. Dr. Chen holds Virginia license 0101277526.
- NPI
- 1992932917NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608921598
- NPI enumeration date
- June 17, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (703) 558-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Loren Chen practices at VHC Health in Arlington, Virginia
Dr. Chen's primary practice is VHC Health, at 1701 North George Mason Drive, Arlington, VA 22205 in Arlington County. The practice phone is (703) 558-5000.
- VHC Health1701 North George Mason Drive, Arlington, VA 22205 · Arlington CountyPhone(703) 558-5000
Source: Dmand AI Affiliation Data
Dr. Loren Chen is affiliated with 3 sites of care and 2 medical groups
Dr. Chen's primary practice is VHC Health in Arlington, Virginia, part of VHC Health. The medical group on file is The GW Medical Faculty Associates. Dmand AI also links Dr. Chen to 1 more hospital, 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. Loren Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| VHC Health | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Loren Chen is one of 3,339 internists in Virginia
Internal medicine is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chen is licensed in Virginia.
Specialties and state licenses
- Internal medicine, VirginiaPrimary
Internists near Dr. Chen
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. Loren Chen billed Medicare for 489 services in 2024
CMS data shows 489 Medicare services from Dr. Chen across 10 procedure codes in 2024, for 126 Medicare patients. Medicare paid $43,386 for them. Every service was in an office.
Dr. Chen's Medicare services by type, 2024
- Office and hospital visits259
- Surgery108
- Other services91
- Tests and treatments31
Dr. Chen compared with the Virginia median for internists, 2024
- Dr. Chen
- Virginia median
- Medicare services
- 489vs 60719% below
- Medicare patients
- 126vs 24649% below
- Part D claims
- 586vs 2242.6 times
Medians across 3,182 internists in Virginia with Dmand AI profiles that report each measure.
Dr. Chen'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Loren Chen treated 126 Medicare patients in 2024, average age 74
CMS counts 126 Medicare patients who saw Dr. Chen in 2024. The largest group is 65 to 74, with 70 patients. 75% of them have high cholesterol, and 68% have high blood pressure. Their average risk score is 0.86, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 55, with 33% women.
Dr. Chen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chen's Medicare patients by sex, 2024
- Women5342%
- Men7358%
Chronic conditions among Dr. Chen's Medicare patients, 2024
- High cholesterol75%
- High blood pressure68%
- Arthritis41%
- Ischemic heart disease30%
- Cancer23%
- Diabetes21%
- Anxiety16%
- Mood disorders16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women33%
- Men66%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Loren Chen wrote 1,036 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 1,036 Medicare Part D claims for 153 patients. 90% of them were for generic drugs. CMS names the drug for 586 of them, across 26 drugs with 11 or more claims each, at $24,401 in total drug cost.
Dr. Chen's Part D claims by kind of drug, 2024
- Generic936 claims90%
- Brand-name and other100 claims10%
Dr. Chen'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. Chen's Part D claims, 2024
- Opioids3%27 of 1,036 claims
- Antibiotics2%20 of 1,036 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Loren Chen offers telehealth to Medicare patients
Dr. Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chen as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Loren Chen received $531 in industry payments from 2024 to 2025
CMS Open Payments shows 20 general payments to Dr. Chen from 11 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $157.
General payments to Dr. Chen by program year, 2024 to 2025
Companies that paid Dr. Chen the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Loren Chen'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) |
| 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. Loren Chen
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. Loren Chen's NPI number?
Dr. Loren Chen's NPI number is 1992932917. It was assigned on June 17, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Loren Chen?
Dr. Loren Chen is an internist in Arlington, Virginia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Loren Chen practice?
Dr. Chen practices at 1701 North George Mason Drive, Arlington, VA 22205. Dr. Chen's primary practice is VHC Health in Arlington, Virginia, part of VHC Health. Dmand AI also links Dr. Chen to 1 hospital, 1 group practice or clinic and 1 medical group.
What is Dr. Loren Chen's office phone number?
The practice phone on file for Dr. Chen is (703) 558-5000.
What is Dr. Loren Chen's medical license number?
Dr. Chen holds Virginia license 0101277526.
Which hospitals is Dr. Loren Chen affiliated with?
Dr. Chen practices at VHC Health in Arlington, Virginia. Dmand AI links Dr. Chen to 1 more hospital.
What medical group is Dr. Loren Chen part of?
Dr. Chen is linked to The GW Medical Faculty Associates. Dmand AI links Dr. Chen to 1 more medical group.
Does Dr. Loren Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 489 services in 2024, and Dr. Chen accepts Medicare assignment.
Does Dr. Loren Chen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chen as offering telehealth services.
How many Medicare patients does Dr. Loren Chen see?
CMS counts 126 Medicare patients who saw Dr. Chen in 2024, with an average age of 74.
Show 4 more questionsShow fewer questions
What services does Dr. Loren Chen bill to Medicare?
In 2024, Dr. Chen's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and medicare service (G0439).
What drugs does Dr. Loren Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Rosuvastatin Calcium.
Has Dr. Loren Chen received payments from drug or device companies?
CMS Open Payments shows $531 in general payments to Dr. Chen from 11 companies from 2024 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Loren Chen been practicing?
Dr. Chen graduated from medical school in 2006, 20 years ago.
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