Dr. Joseph C. Masdeu, MD, PhD

  • Houston, TX
  • Neurologist
NPI1376853770PAC ID4486884848
Medicare services, 2024
331
Medicare patients, 2024
208
Part D claims, 2024
1,039
Publications
145
Clinical trials
9
Practice address
6550 Fannin St, 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

Texas Children's Hospital - Mfm the Methodist Hospital - HOPD

Childrens Hospital outpatient department · Houston, Texas

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Dr. Joseph C. Masdeu is a neurologist in Houston, Texas

Dr. Masdeu practices at Texas Children's Hospital - Mfm the Methodist Hospital - HOPD in Houston, Texas.

Dr. Masdeu's NPI, 1376853770, was assigned on October 19, 2010. Dr. Masdeu graduated from Complutense University of Madrid in 1969. Dr. Masdeu holds Texas license Q4804.

NPI and contact details
Medicare PAC ID
4486884848
NPI enumeration date
October 19, 2010
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
Male
Estimated age
83
Medical school graduation
1969

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

Dr. Joseph C. Masdeu practices at Texas Children's Hospital - Mfm the Methodist Hospital - HOPD in Houston, Texas

Dr. Masdeu's primary practice is Texas Children's Hospital - Mfm the Methodist Hospital - HOPD, at 6550 Fannin St, Houston, TX 77030.

  • Texas Children's Hospital - Mfm the Methodist Hospital - HOPD
    6550 Fannin St, Houston, TX 77030

Source: Dmand AI Affiliation Data

Dr. Joseph C. Masdeu is affiliated with 8 sites of care and 2 medical groups

Dr. Masdeu's primary practice is Texas Children's Hospital - Mfm the Methodist Hospital - HOPD in Houston, Texas. Dr. Masdeu is also affiliated with Houston Methodist Hospital. The medical group on file is Houston Methodist Specialty Physician Group. Dmand AI also links Dr. Masdeu to 4 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 10 affiliations for Dr. Masdeu

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Joseph C. Masdeu's practice

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

EHR by site
SiteEHR vendor and product
Texas Children's Hospital - Mfm the Methodist Hospital - HOPDAvailable 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. Joseph C. Masdeu is one of 1,226 neurologists in Texas

Neurology is Dr. Masdeu's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Masdeu is board certified in neurology by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Masdeu's licenses on file in 3 states: Texas, New York and Illinois.

Specialties and state licenses

  • Neurology, TexasPrimaryLicense Q4804 · 2015 to 2026 · taxonomy 2084N0400X
  • New York license1981 to 2020
  • Illinois license1973 to 1984

Clinical focus

Dmand AI lists alzheimer's disease, cerebrovascular disease and non-alzheimer's dementia (chronic) among the conditions Dr. Masdeu treats.

Neurologists near Dr. Masdeu

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. Joseph C. Masdeu billed Medicare for 331 services in 2024

CMS data shows 331 Medicare services from Dr. Masdeu across 4 procedure codes in 2024, all of them office visits, for 208 Medicare patients. Medicare paid $39,929 for them. Every service was in an office.

Medicare services, 2024331
Medicare patients208
Paid by Medicare$39,929
Procedure codes4

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

  • 2023
  • 2024
Office and hospital visits
2023: 2962024: 33112%

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

  • Dr. Masdeu
  • Texas median
Medicare services
331vs 45928% below
Medicare patients
208vs 23210% below
Part D claims
916vs 48091% above

Medians across 1,116 neurologists in Texas with Dmand AI profiles that report each measure.

Dr. Masdeu'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.

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

Dr. Joseph C. Masdeu treated 208 Medicare patients in 2024, average age 77

CMS counts 208 Medicare patients who saw Dr. Masdeu in 2024. The largest group is 75 to 84, with 110 patients. 75% of them have high cholesterol, and 71% have high blood pressure. Their average risk score is 1.21, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Masdeu's median patient age at 77, with 56% women.

Medicare patients, 2024208
Average age77
Average risk score1.21

Dr. Masdeu's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Masdeu's Medicare patients by sex, 2024

  • Women10550%
  • Men10350%

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

  1. High cholesterol75%
  2. High blood pressure71%
  3. Alzheimer's and dementia70%
  4. Arthritis45%
  5. Ischemic heart disease36%
  6. Anxiety26%
  7. Mood disorders26%
  8. Depression25%

Share of Medicare patients with each condition. A patient can have several.

Dr. Masdeu's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 77

Patient panel by sex, all payers

  • Women56%
  • Men41%

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

Dr. Joseph C. Masdeu wrote 1,039 Medicare Part D claims in 2024

In 2024, Dr. Masdeu wrote 1,039 Medicare Part D claims for 204 patients. 94% of them were for generic drugs. CMS names the drug for 916 of them, across 15 drugs with 11 or more claims each, at $209,029 in total drug cost. In 2023, CMS named 995 claims across 19 drugs.

Part D claims, 20241,039
Drugs named by CMS15
Total drug cost$209,029
Part D patients204

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

  • Generic978 claims94%
  • Brand-name61 claims6%

Dr. Masdeu'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. Masdeu's Part D claims, 2024

  • Antipsychotics, patients 65 and over12%120 of 1,039 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: 9952024: 9168%

Drugs named by CMS: 15 in 2024, 19 in 2023.

See all prescribing by Dr. Masdeu

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. Joseph C. Masdeu offers telehealth to Medicare patients

Dr. Masdeu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Masdeu as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Joseph C. Masdeu has 145 publications on record

Dmand AI links 145 papers to Dr. Masdeu, published from 2006 to 2025. 2022 was the busiest year, with 6. The most frequent topics are Brain, Magnetic Resonance Imaging and Diagnosis, Differential. Dr. Masdeu has published most often in Radiology. Dr. Masdeu's most frequent co-authors are Stephen Jory Pomeranz, MD, David Jay Seidenwurm, MD and Thomas John Masaryk, MD.

Papers145
Years published2006 to 2025

Dr. Masdeu's papers by year, 2016 to 2025

Topics Dr. Masdeu writes about most

  • Brain
  • Magnetic Resonance Imaging
  • Diagnosis, Differential
  • Tomography, X-Ray Computed
  • Positron-Emission Tomography
  • Diagnostic Imaging
  • Predictive Value of Tests
  • Alzheimer Disease

Dr. Masdeu's most frequent co-authors

Recent publications by Dr. Masdeu

See all 145 publications and co-authors

See who Dr. Masdeu researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Masdeu 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. Joseph C. Masdeu has worked on 9 clinical trials

Dmand AI links Dr. Masdeu to 9 clinical trials. 2 are still active or recruiting. Conditions studied include Alzheimer Disease, Tauopathies and Brain Concussion. Eli Lilly and Company sponsors the most, 6. Open Payments lists research payments to Dr. Masdeu that name 6 trials.

Clinical trials with Dr. Masdeu by phase

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

Conditions in Dr. Masdeu's trials

  • Alzheimer Disease
  • Tauopathies
  • Brain Concussion
  • Plaque, Amyloid
  • Head Injuries, Closed

Investigators on the most trials with Dr. Masdeu

Recent clinical trials with Dr. Masdeu

See all 9 clinical trials and co-investigators

Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Joseph C. Masdeu received $101,480 in industry payments from 2016 to 2025

CMS Open Payments shows 352 general payments to Dr. Masdeu from 39 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 45% of the total. Eli Lilly and Company paid the most, $66,187. It also lists 20 research payments totaling $76,290 from 2016 to 2023, naming 6 clinical trials.

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

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

$101.5Kin total
  • Speaker and faculty fees$46,08045%
  • Travel and lodging$24,20924%
  • Consulting fees$23,44823%
  • Food and beverage$7,7448%

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

Share is of all general payments to this clinician.

See all payments to Dr. Masdeu

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

Dr. Joseph C. Masdeu graduated from Complutense University of Madrid

Dr. Masdeu graduated from Complutense University of Madrid in 1969.

  1. Medical schoolComplutense University of Madrid
  2. Board certified in neurologyAmerican Board of Psychiatry and Neurology

Source: Dmand AI Professional Profile Data

Dr. Joseph C. Masdeu accepts plans from 17 insurance carriers

Dr. Masdeu is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

Plan types Dr. Masdeu accepts, by number of carriers

  1. PPO11
  2. Medicare10
  3. HMO9
  4. EPO4
  5. POS4

Source: Dmand AI Insurance Network Data

Sources for Dr. Joseph C. Masdeu'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)
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. Joseph C. Masdeu

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. Joseph C. Masdeu's NPI number?

Dr. Joseph C. Masdeu's NPI number is 1376853770. It was assigned on October 19, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Joseph C. Masdeu?

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

Where does Dr. Joseph C. Masdeu practice?

Dr. Masdeu practices at 6550 Fannin St, Houston, TX 77030. Dr. Masdeu's primary practice is Texas Children's Hospital - Mfm the Methodist Hospital - HOPD in Houston, Texas. Dmand AI also links Dr. Masdeu to 4 hospitals, 2 group practices and clinics and 1 medical group.

What is Dr. Joseph C. Masdeu's medical license number?

Dr. Masdeu holds Texas license Q4804, one of the licenses on file in 3 states.

Which states has Dr. Joseph C. Masdeu been licensed in?

Dmand AI has state licenses on file for Dr. Masdeu in Texas (2015 to 2026), New York (1981 to 2020) and Illinois (1973 to 1984).

Which hospitals is Dr. Joseph C. Masdeu affiliated with?

Dr. Masdeu is affiliated with Houston Methodist Hospital. Dmand AI links Dr. Masdeu to 4 more hospitals.

What medical group is Dr. Joseph C. Masdeu part of?

Dr. Masdeu is linked to Houston Methodist Specialty Physician Group. Dmand AI links Dr. Masdeu to 1 more medical group.

Does Dr. Joseph C. Masdeu accept Medicare?

Yes. CMS data shows Dr. Masdeu billed Medicare for 331 services in 2024, and Dr. Masdeu accepts Medicare assignment.

Does Dr. Joseph C. Masdeu offer telehealth?

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

How many Medicare patients does Dr. Joseph C. Masdeu see?

CMS counts 208 Medicare patients who saw Dr. Masdeu in 2024, with an average age of 77.

Show 9 more questionsShow fewer questions

Is Dr. Joseph C. Masdeu board certified?

Yes. Dr. Masdeu is board certified in neurology by the American Board of Psychiatry and Neurology.

What services does Dr. Joseph C. Masdeu bill to Medicare?

In 2024, Dr. Masdeu's most billed Medicare services were office visit, established patient (99215), office visit, new patient (99205) and office visit, established patient (99213).

Where did Dr. Joseph C. Masdeu go to medical school?

Dr. Masdeu graduated from Complutense University of Madrid in 1969.

What drugs does Dr. Joseph C. Masdeu prescribe most?

In 2024 Medicare Part D data, Dr. Masdeu's most prescribed drugs by claims were Donepezil HCl, Memantine HCl and Quetiapine Fumarate.

Has Dr. Joseph C. Masdeu received payments from drug or device companies?

CMS Open Payments shows $101,480 in general payments to Dr. Masdeu from 39 companies from 2016 to 2025. The largest total came from Eli Lilly and Company.

How long has Dr. Joseph C. Masdeu been practicing?

Dr. Masdeu graduated from medical school in 1969, 57 years ago.

Does Dr. Joseph C. Masdeu do research?

Dmand AI links 145 publications to Dr. Masdeu, published from 2006 to 2025. Dr. Masdeu has worked on 9 clinical trials.

Who does Dr. Joseph C. Masdeu publish with?

Dr. Masdeu's most frequent co-authors are Stephen Jory Pomeranz, MD (15 shared papers), David Jay Seidenwurm, MD (15 shared papers) and Thomas John Masaryk, MD (9 shared papers).

What insurance does Dr. Joseph C. Masdeu accept?

Dr. Masdeu is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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