Dr. Paul C. Chen, MD

  • Redwood City, CA
  • Ophthalmologist
NPI1184798464PAC ID1658569819
Medicare services, 2024
15
Medicare patients, 2024
17
Part D claims, 2024
1,911
Industry payments
$1,091
Affiliated sites
1
Practice address
1190 Veterans Blvd, Redwood City, CA 94063
Practice phone
Call (650) 299-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Permanente Medical Group Inc

Redwood City, California

See all 3 affiliations

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Dr. Paul C. Chen is an ophthalmologist in Redwood City, California

Dr. Chen practices at Permanente Medical Group Inc in Redwood City, California.

Dr. Chen's NPI, 1184798464, was assigned on November 20, 2006. Dr. Chen graduated from Indiana University School Of Medicine in 1996. Dr. Chen holds California license A73563.

NPI and contact details
Medicare PAC ID
1658569819
NPI enumeration date
November 20, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(650) 299-2000
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Male
Estimated age
56
Medical school graduation
1996

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

Dr. Paul C. Chen practices at Permanente Medical Group Inc in Redwood City, California

Dr. Chen's primary practice is Permanente Medical Group Inc, at 1190 Veterans Blvd, Redwood City, CA 94063 in San Mateo County. The practice phone is (650) 299-2000.

  • Permanente Medical Group Inc
    1190 Veterans Blvd, Redwood City, CA 94063 · San Mateo CountyPhone(650) 299-2000

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

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

Dr. Chen's primary practice is Permanente Medical Group Inc in Redwood City, 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. Paul C. 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. Paul C. Chen is one of 2,621 ophthalmologists in California

Ophthalmology is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Chen is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Chen's licenses on file in 2 states: California and Massachusetts.

Specialties and state licenses

  • Ophthalmology, CaliforniaPrimaryLicense A73563 · 2000 to 2026 · taxonomy 207W00000X
  • Massachusetts license2000 to 2002

Ophthalmologists near Dr. Chen

Counts of ophthalmologists 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. Paul C. Chen billed Medicare for 15 services in 2024

CMS data shows 15 Medicare services from Dr. Chen across 1 procedure code in 2024, for 17 Medicare patients. Medicare paid $425 for them. Every service was in an office.

Medicare services, 202415
Medicare patients17
Paid by Medicare$425
Procedure codes1

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

  • Dr. Chen
  • California median
Medicare services
15vs 1,07999% below
Medicare patients
17vs 42196% below
Part D claims
1,862vs 6183.0 times

Medians across 2,568 ophthalmologists 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

Need commercial claims for Dr. Chen?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chen and other ophthalmologists in California.

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

Dr. Paul C. Chen treated 17 Medicare patients in 2024, average age 69

CMS counts 17 Medicare patients who saw Dr. Chen in 2024. 75% of them have diabetes. Their average risk score is 1.13, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 66, with 55% women.

Medicare patients, 202417
Average age69
Average risk score1.13

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

  1. Diabetes75%

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 66

Patient panel by sex, all payers

  • Women55%
  • Men45%

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

Dr. Paul C. Chen wrote 1,911 Medicare Part D claims in 2024

In 2024, Dr. Chen wrote 1,911 Medicare Part D claims for 494 patients. 80% of them were for generic drugs. CMS names the drug for 1,862 of them, across 13 drugs with 11 or more claims each, at $50,076 in total drug cost. In 2023, CMS named 1,956 claims across 14 drugs.

Part D claims, 20241,911
Drugs named by CMS13
Total drug cost$50,076
Part D patients494

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

  • Generic1,524 claims80%
  • Brand-name387 claims20%

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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1,9562024: 1,8625%

Drugs named by CMS: 13 in 2024, 14 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. Paul C. Chen takes part in Medicare

Dr. 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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Dr. Paul C. Chen received $1,091 in industry payments from 2016 to 2024

CMS Open Payments shows 14 general payments to Dr. Chen from 7 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Bausch Health Americas, Inc. paid the most, $362.

General payments to Dr. Chen by program year, 2016 to 2024

Companies that paid Dr. Chen the most, 2016 to 2024

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. Paul C. Chen has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Chen, most recently CMS Stage 1 2012 in 2011.

Awards and honors for Dr. Chen

  1. 2011
    • CMS Stage 1 2012
  2. Undated
    • AAO Fellow

Source: Dmand AI Professional Profile Data

Dr. Paul C. Chen graduated from Indiana University School Of Medicine

Dr. Chen graduated from Indiana University School Of Medicine in 1996. Dr. Chen is a member of AAO.

  1. Medical schoolIndiana University School Of Medicine
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Dr. Paul C. Chen accepts plans from 2 insurance carriers

Dr. Chen is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • Kaiser Permanente
  • CMS Medicare

Plan types Dr. Chen accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. Medicare1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Paul C. 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 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. Paul C. 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. Paul C. Chen's NPI number?

Dr. Paul C. Chen's NPI number is 1184798464. It was assigned on November 20, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Paul C. Chen?

Dr. Paul C. Chen is an ophthalmologist in Redwood City, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Paul C. Chen practice?

Dr. Chen practices at 1190 Veterans Blvd, Redwood City, CA 94063. Dr. Chen's primary practice is Permanente Medical Group Inc in Redwood City, California. Dmand AI also links Dr. Chen to 1 group practice or clinic.

What is Dr. Paul C. Chen's office phone number?

The practice phone on file for Dr. Chen is (650) 299-2000.

What is Dr. Paul C. Chen's medical license number?

Dr. Chen holds California license A73563, one of the licenses on file in 2 states.

Which states has Dr. Paul C. Chen been licensed in?

Dmand AI has state licenses on file for Dr. Chen in California (2000 to 2026) and Massachusetts (2000 to 2002).

What medical group is Dr. Paul C. Chen part of?

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

Does Dr. Paul C. Chen accept Medicare?

Yes. CMS data shows Dr. Chen billed Medicare for 15 services in 2024, and Dr. Chen accepts Medicare assignment.

How many Medicare patients does Dr. Paul C. Chen see?

CMS counts 17 Medicare patients who saw Dr. Chen in 2024, with an average age of 69.

Is Dr. Paul C. Chen board certified?

Yes. Dr. Chen is board certified in ophthalmology by the American Board of Ophthalmology.

Show 6 more questionsShow fewer questions

What services does Dr. Paul C. Chen bill to Medicare?

In 2024, Dr. Chen's most billed Medicare services were eye exam or test (92250).

Where did Dr. Paul C. Chen go to medical school?

Dr. Chen graduated from Indiana University School Of Medicine in 1996.

What drugs does Dr. Paul C. Chen prescribe most?

In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Prednisolone Acetate.

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

CMS Open Payments shows $1,091 in general payments to Dr. Chen from 7 companies from 2016 to 2024. The largest total came from Bausch Health Americas, Inc.

How long has Dr. Paul C. Chen been practicing?

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

What insurance does Dr. Paul C. Chen accept?

Dr. Chen is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

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