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- 55 Fruit St, Massachusetts General Hospital Nsurg Hst, Boston, MA 02114
About Dr. Cahill
Daniel P. Cahill, MD PHD practices neurological surgery in Boston, MA. Daniel is a 2001 graduate of Johns Hopkins University School of Medicine. Medicare claims data shows Daniel provided 145 services to 122 patients. The services billed most often include computer-assisted radiosurgery of simple growth of brain, first growth, computer-assisted radiosurgery of simple growth of brain, each additional growth, and computer-assisted procedure inside brain. The provider's National Provider Identifier (NPI) is 1336113679.
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
- (617) 726-2066
- Email not available
Practice Locations
55 FRUIT ST MASSACHUSETTS GENERAL HOSPITAL NSURG HST
Boston, MA 02114
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
145 services · 122 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Computer-assisted radiosurgery of simple growth of brain, first growth | Procedure | 61796 |
32 | More often than most peers in Neurological Surgery |
| Computer-assisted radiosurgery of simple growth of brain, each additional growth | Procedure | 61797 |
25 | Less often than most peers in Neurological Surgery |
| Computer-assisted procedure inside brain | Procedure | 61781 |
24 | More often than most peers in Neurological Surgery |
| Computer-assisted radiosurgery application of headframe | Procedure | 61800 |
17 | As often as other peers in Neurological Surgery |
| Use of operating microscope | Procedure | 69990 |
12 | Less often than most peers in Neurological Surgery |
| Removal of skull bone for removal of growth of upper brain | Procedure | 61510 |
12 | Less often than most peers in Neurological Surgery |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
12 | Less often than most peers in Neurological Surgery |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
11 | Less 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.
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 neurosurgeons in Boston 8
Same specialty, same city.
More connections — 17 related providers in 3 groups
Trained at Johns Hopkins University School of Medicine 6
Other providers in the same specialty who trained at the same institution.
Class of 2001 at Johns Hopkins University School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Computer-assisted radiosurgery of simple growth of brain, first growth 4
Providers in MA who bill this service to Medicare most often.
Common questions
What does Dr. Cahill specialize in?
Dr. Cahill is a neurosurgeon in Boston, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurological Surgery”.
NPI registry
Where is Dr. Cahill located?
Dr. Cahill is listed at 55 Fruit St Massachusetts General Hospital Nsurg Hst, Boston, MA 02114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Cahill's phone number?
The number on file is (617) 726-2066. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Cahill?
Dr. Cahill's National Provider Identifier is 1336113679. 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. Cahill go to medical school?
Dr. Cahill attended Johns Hopkins University School of Medicine, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Cahill have?
Dr. Cahill has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Cahill do most often?
According to Medicare billing data, Dr. Cahill performs procedures including computer-assisted radiosurgery of simple growth of brain, first growth, computer-assisted radiosurgery of simple growth of brain, each additional growth and computer-assisted procedure inside brain, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Cahill's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Cahill. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.