Dr. Timothy Daniel Chen, MD

  • Sacramento, CA
  • Neurologist
NPI1053815712PAC ID3274955125
Medicare services, 2024
661
Medicare patients, 2024
300
Part D claims, 2024
614
Hospital affiliations
4
Industry payments
$451
Practice address
2800 L St, Sacramento, CA 95816
Practice phone
Call (916) 441-0400
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Acute Care Surgery Medical Group, Inc.

Sacramento, California

See all 7 affiliations

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Dr. Timothy Daniel Chen is a neurologist in Sacramento, California

Dr. Chen practices at Acute Care Surgery Medical Group, Inc. in Sacramento, California.

Dr. Chen's NPI, 1053815712, was assigned on March 19, 2018. Dr. Chen graduated from Loma Linda University School Of Medicine in 2018. Dr. Chen's California license number on file is A165788.

NPI and contact details
Medicare PAC ID
3274955125
NPI enumeration date
March 19, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(916) 441-0400
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
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)

Dr. Timothy Daniel Chen practices at Acute Care Surgery Medical Group, Inc. in Sacramento, California

Dr. Chen's primary practice is Acute Care Surgery Medical Group, Inc., at 2800 L St, Sacramento, CA 95816 in Sacramento County. The practice phone is (916) 441-0400.

  • Acute Care Surgery Medical Group, Inc.
    2800 L St, Sacramento, CA 95816 · Sacramento CountyPhone(916) 441-0400

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

Dr. Timothy Daniel Chen is affiliated with 6 sites of care and 1 medical group

Dr. Chen's primary practice is Acute Care Surgery Medical Group, Inc. in Sacramento, California. Dr. Chen is also affiliated with Sutter Medical Center, Sacramento. The medical group on file is SGMF Radiology. Dmand AI also links Dr. Chen to 3 more hospitals and 1 group practice or clinic, each named with a free account.

See all 7 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. Timothy Daniel Chen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Acute Care Surgery Medical Group, Inc.Available with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Timothy Daniel Chen is one of 2,207 neurologists in California

Neurology is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Chen is board certified in clinical neurophysiology by the American Board of Psychiatry and Neurology. Dr. Chen has a license on file in California.

Specialties and state licenses

  • Neurology, CaliforniaPrimaryLicense A165788 · 2019 to 2025 · taxonomy 2084N0400X

Clinical focus

Dmand AI lists essential tremor, migraine and chronic headache and non-alzheimer's dementia (chronic) among the conditions Dr. Chen treats.

Neurologists near Dr. Chen

Counts of neurologists 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. Timothy Daniel Chen billed Medicare for 661 services in 2024

CMS data shows 661 Medicare services from Dr. Chen across 10 procedure codes in 2024, for 300 Medicare patients. Medicare paid $58,184 for them. Every service was in an office.

Medicare services, 2024661
Medicare patients300
Paid by Medicare$58,184
Procedure codes10

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

  • 2023
  • 2024
Office and hospital visits
2023: 402024: 364810%
Other services
2023: 552024: 254362%
Tests and treatments
2023: 02024: 43

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

  • Dr. Chen
  • California median
Medicare services
661vs 40464% above
Medicare patients
300vs 19058% above
Part D claims
425vs 32431% above

Medians across 1,995 neurologists 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 neurologists in California.

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

Dr. Timothy Daniel Chen treated 300 Medicare patients in 2024, average age 73

CMS counts 300 Medicare patients who saw Dr. Chen in 2024. The largest group is 75 to 84, with 113 patients. 74% of them have high cholesterol, and 67% have high blood pressure. 29% are also on Medicaid. Their average risk score is 1.33, 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 59% women.

Medicare patients, 2024300
Average age73
Average risk score1.33
Also on Medicaid29%

Dr. Chen's Medicare patients by age, 2024

Dr. Chen's Medicare patients by sex, 2024

  • Women18662%
  • Men11438%

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

  1. High cholesterol74%
  2. High blood pressure67%
  3. Arthritis52%
  4. Mood disorders32%
  5. Anxiety31%
  6. Depression30%
  7. Diabetes25%
  8. Chronic kidney disease22%

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

  • Women59%
  • Men39%

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

Dr. Timothy Daniel Chen wrote 614 Medicare Part D claims in 2024

In 2024, Dr. Chen wrote 614 Medicare Part D claims for 142 patients. 91% of them were for generic drugs. CMS names the drug for 425 of them, across 17 drugs with 11 or more claims each, at $33,952 in total drug cost. In 2023, CMS named 11 claims across 1 drug.

Part D claims, 2024614
Drugs named by CMS17
Total drug cost$33,952
Part D patients142

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

  • Generic559 claims91%
  • Brand-name55 claims9%

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: 112024: 4253764%

Drugs named by CMS: 17 in 2024, 1 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. Timothy Daniel 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. Timothy Daniel Chen received $451 in industry payments from 2022 to 2025

CMS Open Payments shows 8 general payments to Dr. Chen from 6 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Genentech, Inc. paid the most, $127.

General payments to Dr. Chen by program year, 2022 to 2025

Companies that paid Dr. Chen the most, 2022 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. Timothy Daniel Chen graduated from Loma Linda University School Of Medicine

Dr. Chen graduated from Loma Linda University School Of Medicine in 2018.

  1. Medical schoolLoma Linda University School Of Medicine
  2. Board certified in clinical neurophysiologyAmerican Board of Psychiatry and Neurology
  3. Board certified in neurologyAmerican Board of Psychiatry and Neurology

Source: Dmand AI Professional Profile Data

Dr. Timothy Daniel Chen accepts plans from 8 insurance carriers

Dr. Chen is in network with 8 carriers, including Aetna, United Healthcare and Elevance. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Aetna
  • United Healthcare
  • Elevance
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare

Plan types Dr. Chen accepts, by number of carriers

  1. Medicare6
  2. PPO6
  3. EPO3
  4. POS3
  5. HMO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Timothy Daniel 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)
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. Timothy Daniel 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. Timothy Daniel Chen's NPI number?

Dr. Timothy Daniel Chen's NPI number is 1053815712. It was assigned on March 19, 2018, and it is active in the NPI Registry.

What kind of doctor is Dr. Timothy Daniel Chen?

Dr. Timothy Daniel Chen is a neurologist in Sacramento, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).

Where does Dr. Timothy Daniel Chen practice?

Dr. Chen practices at 2800 L St, Sacramento, CA 95816. Dr. Chen's primary practice is Acute Care Surgery Medical Group, Inc. in Sacramento, California. Dmand AI also links Dr. Chen to 3 hospitals and 1 group practice or clinic.

What is Dr. Timothy Daniel Chen's office phone number?

The practice phone on file for Dr. Chen is (916) 441-0400.

What is Dr. Timothy Daniel Chen's medical license number?

Dr. Chen's California license number on file is A165788.

Which hospitals is Dr. Timothy Daniel Chen affiliated with?

Dr. Chen is affiliated with Sutter Medical Center, Sacramento. Dmand AI links Dr. Chen to 3 more hospitals.

What medical group is Dr. Timothy Daniel Chen part of?

Dr. Chen is linked to SGMF Radiology.

Does Dr. Timothy Daniel Chen accept Medicare?

Yes. CMS data shows Dr. Chen billed Medicare for 661 services in 2024, and Dr. Chen accepts Medicare assignment.

Does Dr. Timothy Daniel Chen offer telehealth?

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

How many Medicare patients does Dr. Timothy Daniel Chen see?

CMS counts 300 Medicare patients who saw Dr. Chen in 2024, with an average age of 73.

Show 7 more questionsShow fewer questions

Is Dr. Timothy Daniel Chen board certified?

Yes. Dr. Chen is board certified in clinical neurophysiology by the American Board of Psychiatry and Neurology.

What services does Dr. Timothy Daniel Chen bill to Medicare?

In 2024, Dr. Chen's most billed Medicare services were medicare service (G2212), office visit, new patient (99205) and office visit, established patient (99215).

Where did Dr. Timothy Daniel Chen go to medical school?

Dr. Chen graduated from Loma Linda University School Of Medicine in 2018.

What drugs does Dr. Timothy Daniel Chen prescribe most?

In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Gabapentin, Donepezil HCl and Levetiracetam.

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

CMS Open Payments shows $451 in general payments to Dr. Chen from 6 companies from 2022 to 2025. The largest total came from Genentech, Inc.

How long has Dr. Timothy Daniel Chen been practicing?

Dr. Chen graduated from medical school in 2018, 8 years ago.

What insurance does Dr. Timothy Daniel Chen accept?

Dr. Chen is in network with 8 carriers, including Aetna, United Healthcare and Elevance. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

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