Junnan Chen, PA
- Medicare services, 2024
- 186
- Medicare patients, 2024
- 67
- Part D claims, 2024
- 104
- Industry payments
- $2,586
- Affiliated sites
- 1
- Practice address
- 641 Us-130, Trenton, NJ 08691
- Practice phone
- Call (804) 968-5700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Patient First Maryland Physician's Group
Trenton, New Jersey
Find Junnan Chen's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Junnan Chen is a dermatologist in Trenton, New Jersey
Junnan Chen practices at Patient First Maryland Physician's Group in Trenton, New Jersey.
Junnan Chen's NPI, 1780150425, was assigned on October 21, 2018. Junnan Chen holds Maryland license C06976.
- NPI
- 1780150425NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123417615
- NPI enumeration date
- October 21, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (804) 968-5700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Junnan Chen practices at Patient First Maryland Physician's Group in Trenton, New Jersey
Junnan Chen's primary practice is Patient First Maryland Physician's Group, at 641 Us-130, Trenton, NJ 08691 in Mercer County. The practice phone is (804) 968-5700.
- Patient First Maryland Physician's Group641 Us-130, Trenton, NJ 08691 · Mercer CountyPhone(804) 968-5700
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Junnan Chen is affiliated with 2 sites of care
Junnan Chen's primary practice is Patient First Maryland Physician's Group in Trenton, New Jersey. Dmand AI also links Junnan Chen to 1 physician office, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Junnan Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Junnan Chen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Patient First Maryland Physician's Group | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Junnan Chen is one of 376 dermatologists in New Jersey
Dermatology is Junnan Chen's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Junnan Chen is licensed in Maryland.
Specialties and state licenses
- Dermatology, MarylandPrimary
Dermatologists near Junnan Chen
Counts of dermatologists 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
Junnan Chen billed Medicare for 186 services in 2024
CMS data shows 186 Medicare services from Junnan Chen across 5 procedure codes in 2024, for 67 Medicare patients. Medicare paid $10,698 for them. Every service was in an office.
Junnan Chen's Medicare services by type, 2022 to 2024
- 2022
- 2024
- Office and hospital visits
- 2022: 4822024: 10079%
- Surgery
- 2022: 9112024: 8691%
Junnan Chen compared with the New Jersey median for dermatologists, 2024
- Junnan Chen
- New Jersey median
- Medicare services
- 186vs 1,84390% below
- Medicare patients
- 67vs 53487% below
- Part D claims
- 51vs 43788% below
Medians across 381 dermatologists in New Jersey with Dmand AI profiles that report each measure.
Junnan 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.
Need commercial claims for Junnan Chen?
Medicare shows one payer. Book a meeting to get commercial claims data for Junnan Chen and other dermatologists in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Junnan Chen treated 67 Medicare patients in 2024, average age 70
CMS counts 67 Medicare patients who saw Junnan Chen in 2024. The largest group is 65 to 74, with 44 patients. 60% of them have high cholesterol, and 58% have high blood pressure. Their average risk score is 0.89, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Junnan Chen's median patient age at 44, with 57% women.
Junnan Chen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Junnan Chen's Medicare patients by sex, 2024
- Women4161%
- Men2639%
Chronic conditions among Junnan Chen's Medicare patients, 2024
- High cholesterol60%
- High blood pressure58%
- Arthritis42%
- Mood disorders22%
- Diabetes19%
- Anxiety18%
- Depression18%
- Ischemic heart disease16%
Share of Medicare patients with each condition. A patient can have several.
Junnan 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 44
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Junnan Chen wrote 104 Medicare Part D claims in 2024
In 2024, Junnan Chen wrote 104 Medicare Part D claims for 48 patients. 93% of them were for generic drugs. CMS names the drug for 51 of them, across 3 drugs with 11 or more claims each, at $511 in total drug cost. In 2022, CMS named 199 claims across 10 drugs.
Junnan Chen's Part D claims by kind of drug, 2024
- Generic97 claims93%
- Brand-name and other7 claims7%
Junnan 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.
Part D claims for drugs CMS names, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 1992024: 5174%
Drugs named by CMS: 3 in 2024, 10 in 2022.
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 Junnan Chen takes part in Medicare
Junnan Chen 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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Junnan Chen received $2,586 in industry payments from 2021 to 2025
CMS Open Payments shows 129 general payments to Junnan Chen from 19 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 97% of the total. LEO Pharma Inc. paid the most, $822.
General payments to Junnan Chen by program year, 2021 to 2025
General payments to Junnan Chen by kind, 2021 to 2025
- Food and beverage$2,51497%
- Education$723%
Companies that paid Junnan Chen the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Junnan 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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 Junnan 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 Junnan Chen's NPI number?
Junnan Chen's NPI number is 1780150425. It was assigned on October 21, 2018, and it is active in the NPI Registry.
What does Junnan Chen specialize in?
Junnan Chen is a dermatologist in Trenton, New Jersey. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Junnan Chen practice?
Junnan Chen practices at 641 Us-130, Trenton, NJ 08691. Junnan Chen's primary practice is Patient First Maryland Physician's Group in Trenton, New Jersey. Dmand AI also links Junnan Chen to 1 physician office.
What is Junnan Chen's office phone number?
The practice phone on file for Junnan Chen is (804) 968-5700.
What is Junnan Chen's medical license number?
Junnan Chen holds Maryland license C06976.
Does Junnan Chen accept Medicare?
Yes. CMS data shows Junnan Chen billed Medicare for 186 services in 2024, and Junnan Chen accepts Medicare assignment.
How many Medicare patients does Junnan Chen see?
CMS counts 67 Medicare patients who saw Junnan Chen in 2024, with an average age of 70.
What services does Junnan Chen bill to Medicare?
In 2024, Junnan Chen's most billed Medicare services were office visit, new patient (99203), office visit, established patient (99213) and surgery: skin and soft tissue (17110).
What drugs does Junnan Chen prescribe most?
In 2024 Medicare Part D data, Junnan Chen's most prescribed drugs by claims were Triamcinolone Acetonide, Ketoconazole and Mupirocin.
Has Junnan Chen received payments from drug or device companies?
CMS Open Payments shows $2,586 in general payments to Junnan Chen from 19 companies from 2021 to 2025. The largest total came from LEO Pharma Inc.
How long has Junnan Chen been practicing?
Junnan Chen graduated from medical school in 2018, 8 years ago.
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