Dr. Patrick M. Chen, MD

  • Salinas, CA
  • Internist
NPI1598749616PAC ID8527165893
Medicare services, 2024
7,049
Medicare patients, 2024
2,899
Part D claims, 2024
6,099
Hospital affiliations
2
Industry payments
$9,171
Practice address
355 Abbott St Suite 200 Suite 200, Salinas, CA 93901-4483
Practice phone
Call (831) 422-3636
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Salinas Valley Health Clinics

Primary care practice · Salinas, California

See all 10 affiliations

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Dr. Patrick M. Chen is an internist in Salinas, California

Dr. Chen practices at Salinas Valley Health Clinics in Salinas, California.

Dr. Chen's NPI, 1598749616, was assigned on December 1, 2005. Dr. Chen graduated from George Washington University School of Medicine and Health Sciences in 1996. Dr. Chen holds California license A79664.

NPI and contact details
Medicare PAC ID
8527165893
NPI enumeration date
December 1, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(831) 422-3636
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
64
Medical school graduation
1996

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

Dr. Patrick M. Chen practices at Salinas Valley Health Clinics in Salinas, California

Dr. Chen's primary practice is Salinas Valley Health Clinics, at 355 Abbott St Suite 200 Suite 200, Salinas, CA 93901-4483. The practice phone is (831) 422-3636.

  • Salinas Valley Health Clinics
    355 Abbott St Suite 200 Suite 200, Salinas, CA 93901-4483Phone(831) 422-3636

Source: Dmand AI Affiliation Data

Dr. Patrick M. Chen is affiliated with 8 sites of care and 2 medical groups

Dr. Chen's primary practice is Salinas Valley Health Clinics in Salinas, California. Dr. Chen is also affiliated with Salinas Valley Health Medical Center. The medical group on file is Salinas Valley Health Clinics. Dmand AI also links Dr. Chen to 1 more hospital, 4 home health agencies, 1 group practice or clinic and 1 medical group, each named with a free account.

See all 10 affiliations for Dr. Chen

Source: Dmand AI Affiliation Data

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

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Salinas Valley Health ClinicsAvailable with a free account
+7 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Patrick M. 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 internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Chen's licenses on file in 4 states: California, Texas, District of Columbia and Virginia.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A79664 · 2002 to 2026 · taxonomy 207R00000X
  • Texas license1999 to 2003
  • District of Columbia license1999 to 2000
  • Virginia license1998 to 2000

Clinical focus

Dmand AI lists acid reflux, acute sinusitis, acute skin infection, adjustment disease, aneurysm, anxiety, arteritis and asthma 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. Patrick M. Chen billed Medicare for 7,049 services in 2024

CMS data shows 7,049 Medicare services from Dr. Chen across 20 procedure codes in 2024, for 2,899 Medicare patients. Medicare paid $552,825 for them. Every service was in an office.

Medicare services, 20247,049
Medicare patients2,899
Paid by Medicare$552,825
Procedure codes20

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

  • 2023
  • 2024
Tests and treatments
2023: 1,8032024: 5,121184%
Office and hospital visits
2023: 8892024: 9325%
Surgery
2023: 4392024: 56328%
Other services
2023: 1,0592024: 37165%
Lab and pathology
2023: 6792024: 6291%

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

  • Dr. Chen
  • California median
Medicare services
7,049vs 36119.5 times
Medicare patients
2,899vs 15119.2 times
Part D claims
5,335vs 42112.7 times

Medians across 15,815 internists in California 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.

See all procedures by Dr. Chen

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

Dr. Patrick M. Chen treated 2,899 Medicare patients in 2024, average age 75

CMS counts 2,899 Medicare patients who saw Dr. Chen in 2024. The largest group is 65 to 74, with 1,202 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 1.15, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 65, with 52% women.

Medicare patients, 20242,899
Average age75
Average risk score1.15
Also on Medicaid27%

Dr. Chen's Medicare patients by age, 2024

Dr. Chen's Medicare patients by sex, 2024

  • Women1,63156%
  • Men1,26844%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes42%
  4. Arthritis33%
  5. Chronic kidney disease27%
  6. Ischemic heart disease23%
  7. Mood disorders20%
  8. Depression19%

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 65

Patient panel by sex, all payers

  • Women52%
  • Men48%

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

Dr. Patrick M. Chen wrote 6,099 Medicare Part D claims in 2024

In 2024, Dr. Chen wrote 6,099 Medicare Part D claims for 628 patients. 91% of them were for generic drugs. CMS names the drug for 5,335 of them, across 97 drugs with 11 or more claims each, at $349,040 in total drug cost. In 2023, CMS named 5,291 claims across 97 drugs.

Part D claims, 20246,099
Drugs named by CMS97
Total drug cost$349,040
Part D patients628

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

  • Generic5,522 claims91%
  • Brand-name562 claims9%
  • Other15 claims0%

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

  • Opioids1%87 of 6,099 claims
  • Antibiotics2%99 of 6,099 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: 5,2912024: 5,3351%

Drugs named by CMS: 97 in 2024, 97 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

Dr. Patrick M. 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)

For MedTech and pharma teams

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Dr. Patrick M. Chen received $9,171 in industry payments from 2016 to 2025

CMS Open Payments shows 530 general payments to Dr. Chen from 35 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Amgen Inc. paid the most, $1,323.

General payments to Dr. Chen by program year, 2016 to 2025

General payments to Dr. Chen by kind, 2016 to 2025

$9.2Kin total
  • Food and beverage$9,07799%
  • Education$941%

Companies that paid Dr. Chen the most, 2016 to 2025

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. Patrick M. 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. Patrick M. Chen graduated from George Washington University School of Medicine and Health Sciences

Dr. Chen graduated from George Washington University School of Medicine and Health Sciences in 1996.

  1. Medical schoolGeorge Washington University School of Medicine and Health Sciences
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Patrick M. Chen accepts plans from 9 insurance carriers

Dr. Chen is in network with 9 carriers, including Aetna, Elevance and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • Aspirus Health Plan
  • Blue Cross and Blue Shield of Kansas City
  • +1 more carriersWith a free account

Plan types Dr. Chen accepts, by number of carriers

  1. Medicare7
  2. PPO6
  3. POS4
  4. EPO3
  5. HMO3

Source: Dmand AI Insurance Network Data

Sources for Dr. Patrick M. 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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand 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)
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. Patrick M. 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. Patrick M. Chen's NPI number?

Dr. Patrick M. Chen's NPI number is 1598749616. It was assigned on December 1, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Patrick M. Chen?

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

Where does Dr. Patrick M. Chen practice?

Dr. Chen practices at 355 Abbott St Suite 200 Suite 200, Salinas, CA 93901-4483. Dr. Chen's primary practice is Salinas Valley Health Clinics in Salinas, California. Dmand AI also links Dr. Chen to 1 hospital, 4 home health agencies, 1 group practice or clinic and 1 medical group.

What is Dr. Patrick M. Chen's office phone number?

The practice phone on file for Dr. Chen is (831) 422-3636.

What is Dr. Patrick M. Chen's medical license number?

Dr. Chen holds California license A79664, one of the licenses on file in 4 states.

Which states has Dr. Patrick M. Chen been licensed in?

Dmand AI has state licenses on file for Dr. Chen in California (2002 to 2026), Texas (1999 to 2003), District of Columbia (1999 to 2000) and Virginia (1998 to 2000).

Which hospitals is Dr. Patrick M. Chen affiliated with?

Dr. Chen is affiliated with Salinas Valley Health Medical Center. Dmand AI links Dr. Chen to 1 more hospital.

What medical group is Dr. Patrick M. Chen part of?

Dr. Chen is linked to Salinas Valley Health Clinics. Dmand AI links Dr. Chen to 1 more medical group.

Does Dr. Patrick M. Chen accept Medicare?

Yes. CMS data shows Dr. Chen billed Medicare for 7,049 services in 2024, and Dr. Chen accepts Medicare assignment.

Does Dr. Patrick M. Chen offer telehealth?

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

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Patrick M. Chen see?

CMS counts 2,899 Medicare patients who saw Dr. Chen in 2024, with an average age of 75.

Is Dr. Patrick M. Chen board certified?

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

What services does Dr. Patrick M. Chen bill to Medicare?

In 2024, Dr. Chen's most billed Medicare services were vaccine or vaccine administration (90480), medical service (91320) and surgery: heart and blood vessels (36415).

Where did Dr. Patrick M. Chen go to medical school?

Dr. Chen graduated from George Washington University School of Medicine and Health Sciences in 1996.

What drugs does Dr. Patrick M. Chen prescribe most?

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

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

CMS Open Payments shows $9,171 in general payments to Dr. Chen from 35 companies from 2016 to 2025. The largest total came from Amgen Inc.

How long has Dr. Patrick M. Chen been practicing?

Dr. Chen graduated from medical school in 1996, 30 years ago.

What insurance does Dr. Patrick M. Chen accept?

Dr. Chen is in network with 9 carriers, including Aetna, Elevance and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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