Dr. Jenny Chen, MD

  • Santa Clara, CA
  • Internist
NPI1295885150PAC ID4486825825
Medicare patients, 2024
18
Part D claims, 2024
630
Industry payments
$176
Affiliated sites
1
Medical group
1
Practice address
710 Lawrence Expy, Santa Clara, CA 95051
Practice phone
Call (408) 851-1000
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Permanente Medical Group Inc

Santa Clara, California

See all 3 affiliations

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Dr. Jenny Chen is an internist in Santa Clara, California

Dr. Chen practices at Permanente Medical Group Inc in Santa Clara, California.

Dr. Chen's NPI, 1295885150, was assigned on January 11, 2007. Dr. Chen graduated from Medical College Of Wisconsin in 2005. Dr. Chen holds California license A97326.

NPI and contact details
Medicare PAC ID
4486825825
NPI enumeration date
January 11, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(408) 851-1000
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
47
Medical school graduation
2005

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

Dr. Jenny Chen practices at Permanente Medical Group Inc in Santa Clara, California

Dr. Chen's primary practice is Permanente Medical Group Inc, at 710 Lawrence Expy, Santa Clara, CA 95051 in Santa Clara County. The practice phone is (408) 851-1000.

  • Permanente Medical Group Inc
    710 Lawrence Expy, Santa Clara, CA 95051 · Santa Clara CountyPhone(408) 851-1000

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

Dr. Jenny Chen is affiliated with 2 sites of care and 1 medical group

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

See all 3 affiliations for Dr. Chen

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

Dmand AI tracks the EHR system at Dr. Jenny Chen's practice

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

EHR by site
SiteEHR vendor and product
Permanente 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. Jenny Chen is one of 16,751 internists in California

Internal medicine is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chen is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Chen's licenses on file in 2 states: California and Wisconsin.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A97326 · 2006 to 2026 · taxonomy 207R00000X
  • Wisconsin licenseSince 2013

Clinical focus

Dmand AI lists cirrhosis of the liver among the conditions Dr. Chen treats.

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. Jenny Chen treated 18 Medicare patients in 2024, average age 68

CMS counts 18 Medicare patients who saw Dr. Chen in 2024. 75% of them have high blood pressure. Their average risk score is 1.81, 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. Chen's median patient age at 64, with 61% women.

Medicare patients, 202418
Average age68
Average risk score1.81

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

  1. High blood pressure75%

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 64

Patient panel by sex, all payers

  • Women61%
  • Men39%

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

Dr. Jenny Chen wrote 630 Medicare Part D claims in 2024

In 2024, Dr. Chen wrote 630 Medicare Part D claims for 292 patients. 89% of them were for generic drugs. CMS names the drug for 457 of them, across 12 drugs with 11 or more claims each, at $85,520 in total drug cost. In 2023, CMS named 533 claims across 15 drugs.

Part D claims, 2024630
Drugs named by CMS12
Total drug cost$85,520
Part D patients292

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

  • Generic561 claims89%
  • Brand-name69 claims11%

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

  • Antibiotics8%48 of 630 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: 5332024: 45714%

Drugs named by CMS: 12 in 2024, 15 in 2023.

See all prescribing by Dr. Chen

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. Jenny Chen takes part in Medicare

Dr. Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Jenny Chen received $176 in industry payments from 2016 to 2021

CMS Open Payments shows 2 general payments to Dr. Chen from 2 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Ivantis, Inc paid the most, $164.

General payments to Dr. Chen by program year, 2016 to 2021

Companies that paid Dr. Chen the most, 2016 to 2021

Share is of all general payments to this clinician.

See all payments to Dr. Chen

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

Dr. Jenny Chen has 1 award and honors on record

Dmand AI lists 1 award for Dr. Chen, most recently CMS Stage 1 2012 in 2011.

Awards and honors for Dr. Chen

  1. 2011
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. Jenny Chen graduated from Medical College Of Wisconsin

Dr. Chen graduated from Medical College Of Wisconsin in 2005.

  1. Medical schoolMedical College Of Wisconsin
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Jenny Chen accepts plans from 6 insurance carriers

Dr. Chen is in network with 6 carriers, including Kaiser Permanente, Blue Cross Blue Shield of Massachusetts and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.

  • Kaiser Permanente
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • Regence Health Plans
  • CMS Medicare

Plan types Dr. Chen accepts, by number of carriers

  1. Medicare5
  2. PPO4
  3. EPO1
  4. HMO1
  5. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Jenny Chen'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 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
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. Jenny 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. Jenny Chen's NPI number?

Dr. Jenny Chen's NPI number is 1295885150. It was assigned on January 11, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Jenny Chen?

Dr. Jenny Chen is an internist in Santa Clara, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Jenny Chen practice?

Dr. Chen practices at 710 Lawrence Expy, Santa Clara, CA 95051. Dr. Chen's primary practice is Permanente Medical Group Inc in Santa Clara, California. Dmand AI also links Dr. Chen to 1 group practice or clinic.

What is Dr. Jenny Chen's office phone number?

The practice phone on file for Dr. Chen is (408) 851-1000.

What is Dr. Jenny Chen's medical license number?

Dr. Chen holds California license A97326, one of the licenses on file in 2 states.

Which states has Dr. Jenny Chen been licensed in?

Dmand AI has state licenses on file for Dr. Chen in California (2006 to 2026) and Wisconsin (since 2013).

What medical group is Dr. Jenny Chen part of?

Dr. Chen is linked to The Permanente Medical Group, Inc.

Does Dr. Jenny Chen accept Medicare?

Yes. CMS lists Dr. Chen as accepting Medicare assignment.

How many Medicare patients does Dr. Jenny Chen see?

CMS counts 18 Medicare patients who saw Dr. Chen in 2024, with an average age of 68.

Is Dr. Jenny Chen board certified?

Yes. Dr. Chen is board certified in gastroenterology by the American Board of Internal Medicine.

Show 5 more questionsShow fewer questions

Where did Dr. Jenny Chen go to medical school?

Dr. Chen graduated from Medical College Of Wisconsin in 2005.

What drugs does Dr. Jenny Chen prescribe most?

In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Gavilyte-C, Famotidine and Mesalamine.

Has Dr. Jenny Chen received payments from drug or device companies?

CMS Open Payments shows $176 in general payments to Dr. Chen from 2 companies from 2016 to 2021. The largest total came from Ivantis, Inc.

How long has Dr. Jenny Chen been practicing?

Dr. Chen graduated from medical school in 2005, 21 years ago.

What insurance does Dr. Jenny Chen accept?

Dr. Chen is in network with 6 carriers, including Kaiser Permanente, Blue Cross Blue Shield of Massachusetts and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.

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