Physician Profile
Joseph C. Masdeu, M.D., PhD
Unclaimed ProfileAbout Dr. Masdeu
Based in Bethesda, MD, Joseph C. Masdeu, M.D., PhD is listed in the NPI registry under neurology. According to Medicare claims data, Joseph cared for 267 Medicare patients across 331 services. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (301) 443-2096
- Email not available
Practice Locations
NATIONAL INSTITUTES OF HEALTH BUILDING 10, ROOM 3C111
Bethesda, MD 20892
6560 Fannin St Ste 802
Houston, TX 77030
Conditions Commonly Evaluated or Treated
Within Neurology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Headache and facial pain
- Tension headaches
- Trigeminal neuralgia
Memory and cognition
Movement disorders
- Essential tremor
- Huntington's disease
- Restless legs syndrome
Neuromuscular and peripheral nerve
- Amyotrophic lateral sclerosis
- Carpal tunnel
- Diabetic neuropathy
- Guillain-Barré syndrome
- Muscular dystrophy
- Myasthenia gravis
Seizures and epilepsy
Stroke and vascular
- Brain aneurysm
- Transient ischemic attack
Brain & Spine
- Severe back pain
Brain tumors
Head & Facial Pain
Memory & Cognitive
Movement Disorders
Nerve Compression
- Sciatica
Sleep & Movement
Spine and nerve
Spine, brain injury, and functional
Procedures & services
Most searched procedures
Consultation and testing
Consultations & Exams
Consultations and exams
Device management
Diagnostic Testing
- Cognitive and memory screening
- Genetic Testing for Neurological Disorders
- Neuromuscular Ultrasound
- Neuropsychological Testing
- Normal Pressure Hydrocephalus Tap Test
- Tilt Table Test
Infusion and medical therapies
Infusions & Therapies
- IVIG Infusion Therapy
- Migraine Preventive Injections and Infusions
- MS Disease-Modifying Infusion Therapy
- Plasmapheresis
Injections & Pain Relief
- Botox Injections for Excessive Drooling
- Botox Injections for Muscle Spasms and Dystonia
- Trigger Point Injections
Medication Management
Neuromodulation
Office procedures
Trauma & Injury
Procedures Most Often Billed to Medicare
331 services · 267 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
236 | More than most peers in Neurology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
35 | As often as other peers in Neurology |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
35 | As often as other peers in Neurology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
25 | Less often than most peers in Neurology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other neurologists at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Other neurologists in Bethesda 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1969 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Joseph C. Masdeu, M.D.?
Joseph C. Masdeu, M.D. is a neurologist in Bethesda, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurology”.
NPI registry
What is Joseph C. Masdeu, M.D.'s address?
Joseph C. Masdeu, M.D. is listed at National Institutes of Health Building 10, Room 3C111, Bethesda, MD 20892. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Joseph C. Masdeu, M.D.?
The number on file is (301) 443-2096. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Joseph C. Masdeu, M.D.'s NPI number?
Joseph C. Masdeu, M.D.'s National Provider Identifier is 1376853770. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Joseph C. Masdeu, M.D. train?
Joseph C. Masdeu, M.D. attended Other, graduating in 1969. This comes from the CMS National Downloadable File.
CMS public data
How long has Joseph C. Masdeu, M.D. been practicing?
Joseph C. Masdeu, M.D. has 57 years experience. Calculated from a graduation year of 1969, reported in the CMS National Downloadable File.
CMS public data
What procedures does Joseph C. Masdeu, M.D. perform?
According to Medicare billing data, Joseph C. Masdeu, M.D. the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Joseph C. Masdeu, M.D. confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Joseph C. Masdeu, M.D.. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.