Dr. Merry Chen, MD

  • Houston, TX
  • Neurologist
NPI1003022013PAC ID9335316801
Medicare services, 2024
744
Medicare patients, 2024
552
Part D claims, 2024
393
Publications
20
Clinical trials
10
Practice address
1515 Holcombe Blvd, Houston, TX 77030
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

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Dr. Merry Chen is a neurologist in Houston, Texas

Dr. Chen practices at The University of Texas MD Anderson Cancer Center in Houston, Texas, part of The University of Texas System.

Dr. Chen's NPI, 1003022013, was assigned on May 15, 2007. Dr. Chen graduated from SUNY Downstate Health Sciences University in 2005. Dr. Chen's Texas license number on file is P1061.

NPI and contact details
Medicare PAC ID
9335316801
NPI enumeration date
May 15, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Merry Chen practices at The University of Texas MD Anderson Cancer Center in Houston, Texas

Dr. Chen's primary practice is The University of Texas MD Anderson Cancer Center, at 1515 Holcombe Blvd, Houston, TX 77030.

Source: Dmand AI Affiliation Data

Dr. Merry Chen is affiliated with 1 site of care and 1 medical group

Dr. Chen's primary practice is The University of Texas MD Anderson Cancer Center in Houston, Texas, part of The University of Texas System. The medical group on file is Physicians Referral Service.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Merry 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
The University of Texas MD Anderson Cancer CenterAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across The University of Texas System and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Merry Chen is one of 1,226 neurologists in Texas

Neurology is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Chen is board certified in epilepsy by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Chen's licenses on file in 12 states: Texas, Florida, Massachusetts, Arizona, Georgia, New York, Oklahoma, Alabama, Louisiana, Mississippi, Tennessee and Washington.

Specialties and state licenses

  • Neurology, TexasPrimaryLicense P1061 · 2011 to 2025 · taxonomy 2084N0400X
  • Florida licenseSince 2021
  • Massachusetts licenseLicense 229124
  • Arizona license2023 to 2026
  • Georgia license2023 to 2026
  • Clinical neurophysiology, New YorkLicense 251741 · 2009 to 2026 · taxonomy 2084N0600X
  • Oklahoma license2020 to 2026
  • Alabama license2023 to 2025
  • Louisiana license2023 to 2025
  • Mississippi license2023 to 2025
  • Tennessee license2023 to 2025
  • Washington license2023 to 2025

Clinical focus

Dmand AI lists acute mini-stroke (TIA), carpal tunnel syndrome, cerebrovascular disease, encephalopathy, epilepsy, essential tremor, fibromyalgia and chronic pain and hereditary polyneuropathy 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. Merry Chen billed Medicare for 744 services in 2024

CMS data shows 744 Medicare services from Dr. Chen across 10 procedure codes in 2024, for 552 Medicare patients. Medicare paid $59,264 for them.

Medicare services, 2024744
Medicare patients552
Paid by Medicare$59,264
Procedure codes10

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

  • 2023
  • 2024
Office and hospital visits
2023: 4182024: 37510%
Tests and treatments
2023: 2522024: 36946%

Where Dr. Chen's Medicare services took place, 2024

  • In an office9413%
  • In a facility65087%

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

  • Dr. Chen
  • Texas median
Medicare services
744vs 45962% above
Medicare patients
552vs 2322.4 times
Part D claims
284vs 48041% below

Medians across 1,116 neurologists in Texas 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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chen and other neurologists in Texas.

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

Dr. Merry Chen treated 552 Medicare patients in 2024, average age 71

CMS counts 552 Medicare patients who saw Dr. Chen in 2024. The largest group is 65 to 74, with 288 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 3.09, 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 69, with 61% women.

Medicare patients, 2024552
Average age71
Average risk score3.09
Also on Medicaid11%

Dr. Chen's Medicare patients by age, 2024

Dr. Chen's Medicare patients by sex, 2024

  • Women27349%
  • Men27951%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis53%
  4. Cancer50%
  5. Anxiety48%
  6. Mood disorders47%
  7. Diabetes40%
  8. Ischemic heart disease37%

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 69

Patient panel by sex, all payers

  • Women61%
  • Men37%

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

Dr. Merry Chen wrote 393 Medicare Part D claims in 2024

In 2024, Dr. Chen wrote 393 Medicare Part D claims for 115 patients. 96% of them were for generic drugs. CMS names the drug for 284 of them, across 10 drugs with 11 or more claims each, at $13,023 in total drug cost. In 2023, CMS named 240 claims across 8 drugs.

Part D claims, 2024393
Drugs named by CMS10
Total drug cost$13,023
Part D patients115

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

  • Generic379 claims96%
  • Brand-name and other14 claims4%

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: 2402024: 28418%

Drugs named by CMS: 10 in 2024, 8 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. Merry Chen scored 84 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Chen for performance year 2024, reported as part of a group. 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

Dr. Chen's MIPS scores, performance year 2024

  • 84of 100Final score
  • 70.8of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 68of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Merry Chen has 20 publications on record

Dmand AI links 20 papers to Dr. Chen, published from 2010 to 2024. 2024 was the busiest year, with 3. The most frequent topics are Melanoma and Vesicular Monoamine Transport Proteins. Dr. Chen has published most often in Toxicol Sci. Dr. Chen's most frequent co-authors are Jennifer Leigh McQuade, MD, Rodabe N. Amaria, MD and Paul William Gidley, MD.

Papers20
Years published2010 to 2024

Dr. Chen's papers by year, 2014 to 2024

Topics Dr. Chen writes about most

  • Melanoma
  • Vesicular Monoamine Transport Proteins

Dr. Chen's most frequent co-authors

Recent publications by Dr. Chen

See all 20 publications and co-authors

See who Dr. Chen researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chen works with, so you can find a warm path to the right neurologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Merry Chen has worked on 10 clinical trials

Dmand AI links Dr. Chen to 10 clinical trials, 4 of them phase 2 studies. 9 are still active or recruiting. Conditions studied include Adenocarcinoma of Lung, Biliary Atresia and Low Back Pain.

Clinical trials with Dr. Chen by phase

  1. NonePhase 1: no trials
  2. 4Phase 2: 4 trials
  3. 1Phase 2/3: 1 trial
  4. NonePhase 3: no trials
  5. NonePhase 4: no trials

Trials with no phase (devices, behavioral studies) are left out.

Conditions in Dr. Chen's trials

  • Adenocarcinoma of Lung
  • Biliary Atresia
  • Low Back Pain
  • Malocclusion
  • Muscular Atrophy

Investigators on the most trials with Dr. Chen

Recent clinical trials with Dr. Chen

See all 10 clinical trials and co-investigators

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Merry Chen received $416 in industry payments from 2018 to 2025

CMS Open Payments shows 10 general payments to Dr. Chen from 7 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Neurocrine BioSciences, Inc. paid the most, $155.

General payments to Dr. Chen by program year, 2018 to 2025

Companies that paid Dr. Chen the most, 2018 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. Merry Chen graduated from SUNY Downstate Health Sciences University

Dr. Chen graduated from SUNY Downstate Health Sciences University in 2005. Dr. Chen is a member of AAN.

  1. Medical schoolSUNY Downstate Health Sciences University
  2. Board certified in epilepsyAmerican Board of Psychiatry and Neurology
  3. Board certified in neurologyAmerican Board of Psychiatry and Neurology

Source: Dmand AI Professional Profile Data

Dr. Merry Chen accepts plans from 3 insurance carriers

Dr. Chen is in network with 3 carriers, including Aetna, Blue Cross Blue Shield of Michigan and CMS Medicare. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • CMS Medicare

Plan types Dr. Chen accepts, by number of carriers

  1. HMO2
  2. Medicare2
  3. POS2
  4. PPO2
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Merry 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 DataDmand AI Org Hierarchy 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Merry 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. Merry Chen's NPI number?

Dr. Merry Chen's NPI number is 1003022013. It was assigned on May 15, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Merry Chen?

Dr. Merry Chen is a neurologist in Houston, Texas. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).

Where does Dr. Merry Chen practice?

Dr. Chen practices at 1515 Holcombe Blvd, Houston, TX 77030. Dr. Chen's primary practice is The University of Texas MD Anderson Cancer Center in Houston, Texas, part of The University of Texas System.

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

Dr. Chen's Texas license number on file is P1061, one of the licenses on file in 12 states.

Which states has Dr. Merry Chen been licensed in?

Dmand AI has state licenses on file for Dr. Chen in Texas (2011 to 2025), Florida (since 2021), Massachusetts, Arizona (2023 to 2026), Georgia (2023 to 2026), New York (2009 to 2026), Oklahoma (2020 to 2026), Alabama (2023 to 2025), Louisiana (2023 to 2025), Mississippi (2023 to 2025), Tennessee (2023 to 2025) and Washington (2023 to 2025).

Which hospitals is Dr. Merry Chen affiliated with?

Dr. Chen practices at The University of Texas MD Anderson Cancer Center in Houston, Texas.

What medical group is Dr. Merry Chen part of?

Dr. Chen is linked to Physicians Referral Service.

Does Dr. Merry Chen accept Medicare?

Yes. CMS data shows Dr. Chen billed Medicare for 744 services in 2024, and Dr. Chen accepts Medicare assignment.

Does Dr. Merry Chen offer telehealth?

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

What is Dr. Merry Chen's MIPS score?

Dr. Chen's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Merry Chen see?

CMS counts 552 Medicare patients who saw Dr. Chen in 2024, with an average age of 71.

Is Dr. Merry Chen board certified?

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

What services does Dr. Merry Chen bill to Medicare?

In 2024, Dr. Chen's most billed Medicare services were nerve and brain test (95816), nerve and brain test (95819) and office visit, established patient (99215).

Where did Dr. Merry Chen go to medical school?

Dr. Chen graduated from SUNY Downstate Health Sciences University in 2005.

What drugs does Dr. Merry Chen prescribe most?

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

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

CMS Open Payments shows $416 in general payments to Dr. Chen from 7 companies from 2018 to 2025. The largest total came from Neurocrine BioSciences, Inc.

How long has Dr. Merry Chen been practicing?

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

Does Dr. Merry Chen do research?

Dmand AI links 20 publications to Dr. Chen, published from 2010 to 2024. Dr. Chen has worked on 10 clinical trials.

Who does Dr. Merry Chen publish with?

Dr. Chen's most frequent co-authors are Jennifer Leigh McQuade, MD (4 shared papers), Rodabe N. Amaria, MD (2 shared papers) and Paul William Gidley, MD (2 shared papers).

What insurance does Dr. Merry Chen accept?

Dr. Chen is in network with 3 carriers, including Aetna, Blue Cross Blue Shield of Michigan and CMS Medicare. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.

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