Physician Profile
William Tsao, MD
Unclaimed ProfileAbout Dr. Tsao
William Tsao, MD is a healthcare provider in Baltimore, MD specializing in neurology. William trained at Johns Hopkins University School of Medicine, graduating in 2015. Medicare claims data shows William provided 645 services to 597 patients. 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 moderate level of decision making, if using time, 30 minutes or more, and needle measurement of electrical activity in arm or leg muscles, complete study.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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
- (410) 614-9671
- Email not available
Practice Locations
600 N WOLFE STREET ZAYED 6005
Baltimore, MD 21287
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
Memory and cognition
Movement disorders
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 & Spine
Brain tumors
Head & Facial Pain
Memory & Cognitive
Movement Disorders
Nerve Compression
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
645 services · 597 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Needle measurement of electrical activity in arm or leg muscles, complete study | Treatment | 95886 |
104 | More often than most peers in Neurology |
| Nerve conduction, 13 or more studies | Treatment | 95913 |
23 | As often as other peers in Neurology |
| Nerve conduction, 9-10 studies | Treatment | 95911 |
21 | As often as other peers in Neurology |
| Nerve conduction, 11-12 studies | Treatment | 95912 |
19 | As often as other peers in Neurology |
| Nerve conduction, 7-8 studies | Treatment | 95910 |
17 | Less often than most peers in Neurology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
142 | More often than most 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 |
104 | 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 |
88 | More than most peers in Neurology |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
74 | More often than most 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 | More 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.
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.
Other neurologists in Baltimore 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Johns Hopkins University School of Medicine 7
Other providers in the same specialty who trained at the same institution.
Class of 2015 at Johns Hopkins University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Needle measurement of electrical activity in arm or leg muscles, complete study 8
Providers in MD who bill this service to Medicare most often.
Common questions
What does Dr. Tsao specialize in?
Dr. Tsao is a neurologist in Baltimore, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurology”.
NPI registry
Where is Dr. Tsao located?
Dr. Tsao is listed at 600 N Wolfe Street Zayed 6005, Baltimore, MD 21287. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Tsao's phone number?
The number on file is (410) 614-9671. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Tsao?
Dr. Tsao's National Provider Identifier is 1073923777. 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 Dr. Tsao go to medical school?
Dr. Tsao attended Johns Hopkins University School of Medicine, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Tsao have?
Dr. Tsao has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Tsao do most often?
According to Medicare billing data, Dr. Tsao provides treatments such as needle measurement of electrical activity in arm or leg muscles, complete study and nerve conduction, 13 or more studies, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Tsao's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Tsao. 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.