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- 5051 Greenspring Ave, Suite 300, Baltimore, MD 21209
About Dr. Ashley
William W. Ashley, M.D., PhD, MBA practices neurological surgery in Baltimore, MD. William is a 2001 graduate of University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb). Medicare claims data shows William provided 505 services to 431 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist, and new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more. The provider's National Provider Identifier (NPI) is 1033238647.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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) 601-4417
- Email not available
Practice Locations
5051 GREENSPRING AVE SUITE 300
Baltimore, MD 21209
Conditions Commonly Evaluated or Treated
Within Neurological Surgery 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
Brain & spine conditions
Brain conditions
Brain disorders
- Acoustic Neuroma
- Brain Vascular Malformation
- Chiari Malformation
- Drug-Resistant Seizures
- Epidermoid cyst
- Hemorrhagic stroke
- Meningitis
- Normal Pressure Hydrocephalus
- Papilledema
- Pituitary Tumor
Brain injury
Brain tumors
Movement disorders
Nerve disorders
- Carpal tunnel
- Cubital tunnel syndrome
- Cut Or Injured Nerve
- Face Twitching
- Occipital neuralgia
- Outer thigh burning and numbness
- Thoracic outlet syndrome
- Trigeminal neuralgia
Pain
Pediatric conditions
Spine & back
- Arthritis of the spine
- Chronic back pain
- Chronic Neck Pain
- Degenerative disc disease
- Failed back surgery syndrome
- Severe back pain
- Spinal Cord Tumor
- Spondylolisthesis
- Tethered Spinal Cord
Spine conditions
- Bone Spurs In The Spine
- Fluid Cyst In Spinal Cord
- Spinal compression fracture
- Spine Infection
- Stress Fracture Of The Spine
Spine deformity
Trauma & injury
Procedures & services
Nerves & spine
Most searched procedures
Brain & spine surgery
Brain procedures
- Awake Brain Mapping Surgery
- Brain Shunt Placement
- Chiari Decompression Surgery
- Deep Brain Stimulation
- Draining A Brain Bleed
- Facial Nerve Decompression Surgery
- Laser Brain Surgery
- Minimally Invasive Endoscopic Brain Surgery
- Needle Brain Biopsy
Brain surgery
Cranial reconstruction
Diagnostic & therapeutic
Endovascular procedures
Functional neurosurgery
Monitoring & trauma
Nerve procedures
Nerve surgery
Pain procedures
- Epidural steroid injection
- Facet Joint Injections
- Pain pump implant
- Radiofrequency ablation
- Spinal cord stimulator implant
Pediatric neurosurgery
Radiation & radiosurgery
Radiation surgery
Skull base surgery
Spasticity treatment
Spine procedures
- Artificial Disc Replacement
- Kyphoplasty
- Nerve Opening Widening
- Scoliosis correction surgery
- SI Joint Fusion
- Spinal Cyst Removal
- Tethered Cord Release
- Vertebra Removal Surgery
Spine surgery
- Minimally Invasive Spine Surgery
- Neck Canal Enlargement Surgery
- Spinal Cord Tumor Removal
- Vertebroplasty
Vascular neurosurgery
Procedures Most Often Billed to Medicare
505 services · 431 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist | Procedure | 36224 |
72 | More than most peers in Neurological Surgery |
| Occlusion of central nervous system or spinal cord artery | Procedure | 61624 |
28 | More often than most peers in Neurological Surgery |
| Insertion of tube into brain artery for diagnosis or treatment with review by radiologist | Procedure | 36226 |
27 | As often as other peers in Neurological Surgery |
| Insertion of tube into external neck artery for diagnosis or treatment with review by radiologist | Procedure | 36227 |
19 | As often as other peers in Neurological Surgery |
| Removal of blood clot and injection to dissolve blood clot from head artery using fluoroscopic guidance | Procedure | 61645 |
17 | More often than most peers in Neurological Surgery |
| Imaging of blood vessel | Imaging | 75898 |
41 | More often than most peers in Neurological Surgery |
| 3d radiographic procedure with computerized image postprocessing | Imaging | 76377 |
36 | More often than most peers in Neurological Surgery |
| Review by radiologist of image for insertion of material to block blood flow | Imaging | 75894 |
30 | More often than most peers in Neurological Surgery |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Treatment | 99152 |
23 | As often as other peers in Neurological Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
137 | More often than most peers in Neurological Surgery |
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 neurosurgeons at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
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 — 29 related providers in 4 groups
Other neurosurgeons in Baltimore 7
Same specialty, same city.
Trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 8
Other providers in the same specialty who trained at the same institution.
Class of 2001 at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist 6
Providers in MD who bill this service to Medicare most often.
Common questions
What does William W. Ashley, M.D., PhD specialize in?
William W. Ashley, M.D., PhD is a neurosurgeon in Baltimore, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurological Surgery”.
NPI registry
Where is William W. Ashley, M.D., PhD located?
William W. Ashley, M.D., PhD is listed at 5051 Greenspring Ave Suite 300, Baltimore, MD 21209. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is William W. Ashley, M.D., PhD's phone number?
The number on file is (410) 601-4417. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for William W. Ashley, M.D., PhD?
William W. Ashley, M.D., PhD's National Provider Identifier is 1033238647. 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 William W. Ashley, M.D., PhD train?
William W. Ashley, M.D., PhD attended University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How much experience does William W. Ashley, M.D., PhD have?
William W. Ashley, M.D., PhD has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What does William W. Ashley, M.D., PhD do most often?
According to Medicare billing data, William W. Ashley, M.D., PhD performs procedures including insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist, occlusion of central nervous system or spinal cord artery and insertion of tube into brain artery for diagnosis or treatment with review by radiologist; reads or performs imaging such as imaging of blood vessel and 3d radiographic procedure with computerized image postprocessing; provides treatments such as use of a drug to induce depression of consciousness by physician performing a procedure , initial 15 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is William W. Ashley, M.D., PhD's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by William W. Ashley, M.D., PhD. If this is you, claiming it is free.
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