Dr. Joseph C. Masdeu, MD, PhD
- 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
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Texas Children's Hospital - Mfm the Methodist Hospital - HOPD
Childrens Hospital outpatient department · Houston, Texas
Find Dr. Masdeu's professional email, personal email and mobile number
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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
- 1376853770NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486884848
- NPI enumeration date
- October 19, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- 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 - HOPD6550 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.
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.
| Site | EHR vendor and product |
|---|---|
| Texas Children's Hospital - Mfm the Methodist Hospital - HOPD | Available with a free account |
| +7 more sites and 1 medical group | Available 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, TexasPrimary
- New York license
- Illinois license
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.
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Masdeu and other neurologists in Texas.
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.
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
- High cholesterol75%
- High blood pressure71%
- Alzheimer's and dementia70%
- Arthritis45%
- Ischemic heart disease36%
- Anxiety26%
- Mood disorders26%
- 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.
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.
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.
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
- Stephen Jory Pomeranz, MD15 shared papers
- David Jay Seidenwurm, MD15 shared papers
- Thomas John Masaryk, MD9 shared papers
Recent publications by Dr. Masdeu
Alzheimers Dement
Transl Neurodegener
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.
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
- NonePhase 1: no trials
- 1Phase 1/2: 1 trial
- NonePhase 2: no trials
- 1Phase 3: 1 trial
- 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
- John Gregory Duffy, MD6 shared trials
- Vikram M. Atit, MD4 shared trials
- Jerome A. Barakos, MD4 shared trials
Recent clinical trials with Dr. Masdeu
Ocrelizumab for Psychosis by Autoimmunity (opens in a new tab)
Clinical Trial of Solanezumab for Older Individuals Who May be at Risk for Memory Loss (opens in a new tab)
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
- 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.
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.
- Medical school
- Board certified in 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.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Cigna
- Elevance
- HCSC
- Humana
- Blue Cross Blue Shield of Massachusetts
- +9 more carriersWith a free account
Plan types Dr. Masdeu accepts, by number of carriers
- PPO11
- Medicare10
- HMO9
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Joseph C. Masdeu's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand 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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