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- 164 High St, Greenfield, MA 01301
About Dr. Ladner
Based in Greenfield, MA, Christopher J. Ladner, MD, PhD is listed in the NPI registry under diagnostic radiology. Christopher graduated from Loyola University of Chicago, Stritch School of Medicine in 1999. According to Medicare claims data, Christopher cared for 5,417 Medicare patients across 5,802 services. The services billed most often include x-ray of chest, 1 view, x-ray of chest, 2 views, and ct scan head or brain without contrast. NPI 1134203722 identifies this record in the national registry.
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
- (413) 773-2063
- Email not available
Practice Locations
164 HIGH ST
Greenfield, MA 01301
Conditions Evaluated or Diagnosed
Within Diagnostic Radiology 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
Abdomen & Pelvis
- Abdominal Pain
- Appendicitis
- Diverticulitis
- Enlarged prostate
- Gallstones
- Kidney stones
- Liver Lesions
- Ovarian cysts
Bone & Joint
- Ankle Sprain or Fracture
- Bone fractures
- Heel pain
- Hip osteoarthritis
- Osteoporosis
- Rotator cuff tear
- Torn meniscus
Brain & Head
- Brain aneurysm
- Brain tumor
- Concussion in Children
- Migraines
- Sinus infection
- Transient ischemic attack
Brain & nerves
- Water On Baby's Brain
Breast
- Breast lump or mass
- Dense Breast Tissue
Chest & Heart
General
Heart & blood vessels
Joint & bone
Liver & digestion
Lungs & breathing
Men's health
- Varicocele
Neck & Thyroid
- Thyroid nodule
Nerve pain
Pelvic health
Spine
- Back pain
- Cervical radiculopathy
- Herniated disc
- Neck pain
- Sciatica
Spine & back
Vascular
Women's health
- Endometriosis
- Pelvic Congestion Syndrome
Procedures & services
Breast Imaging
- Breast MRI
- Breast Ultrasound
- Mammogram
- Ultrasound-Guided Breast Biopsy
Abdominal imaging
- Abdominal X-Ray
Biopsies
- Image-Guided Needle Biopsy
- Thyroid Nodule Biopsy
Bone Density
CT Scan
- Abdominal CT Scan
- Chest CT Scan
- Emergency CT scan
- Head CT Scan
- Heart Calcium Scan
- Sinus CT Scan
Digestive & liver
- Liver elastography
- Virtual Colonoscopy
Fluoroscopy
- Barium Swallow
General imaging
- Fluoroscopy
- Soft tissue ultrasound
Heart & blood vessels
- Cardiac magnetic resonance imaging
- CT angiogram
- MR Angiogram
Joint & bone
- Hip X-Ray
- Joint injection with dye
- Knee X-Ray
- Wrist MRI
MRI
- Ankle MRI
- Back MRI
- Brain MRI
- Hip MRI
- Knee MRI
- MRI Scan
- Neck MRI
- Open MRI
- Prostate MRI
- Shoulder MRI
Nuclear Medicine
- PET Scan
Pelvic imaging
- Pelvic CT Scan
- Pelvic MRI
Screening & Prevention
- Full Body Scan
- Low-Dose Lung CT
Spine & back
- Spine CT Scan
Ultrasound
- Abdominal Ultrasound
- Carotid Ultrasound
- Leg Vein Ultrasound
- Pelvic ultrasound
- Scrotal Ultrasound
- Thyroid ultrasound
- Ultrasound
Urinary & kidney
Women's health
- Hysterosalpingogram consultation
X-Ray
- Chest X-Ray
- Emergency X-ray
- Spine X-Ray
Procedures Most Often Billed to Medicare
5,802 services · 5,417 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
1,118 | More often than most peers in Diagnostic Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
1,098 | More than most peers in Diagnostic Radiology |
| Ct scan head or brain without contrast | Imaging | 70450 |
796 | More than most peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
477 | More than most peers in Diagnostic Radiology |
| Ct scan of upper spine without contrast | Imaging | 72125 |
312 | More than most peers in Diagnostic Radiology |
| Ct scan of chest with contrast | Imaging | 71260 |
194 | More often than most peers in Diagnostic Radiology |
| Ct scan of blood vessels of chest with contrast | Imaging | 71275 |
178 | More than most peers in Diagnostic Radiology |
| Low dose ct scan of chest for lung cancer screening | Imaging | 71271 |
145 | More than most peers in Diagnostic Radiology |
| Ct scan of chest without contrast | Imaging | 71250 |
141 | More often than most peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
96 | More often than most peers in Diagnostic Radiology |
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 radiologists at this location 2
Same specialty, same street address — most likely the same department or group.
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 radiologists in Greenfield 2
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Loyola University of Chicago, Stritch School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1999 at Loyola University of Chicago, Stritch School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 1 view 8
Providers in MA who bill this service to Medicare most often.
Common questions
What does Dr. Ladner specialize in?
Dr. Ladner is a radiologist in Greenfield, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
Where is Dr. Ladner located?
Dr. Ladner is listed at 164 High St, Greenfield, MA 01301. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Ladner's phone number?
The number on file is (413) 773-2063. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Ladner's NPI number?
Dr. Ladner's National Provider Identifier is 1134203722. 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. Ladner go to medical school?
Dr. Ladner attended Loyola University of Chicago, Stritch School of Medicine, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Ladner been practicing?
Dr. Ladner has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Ladner do most often?
According to Medicare billing data, Dr. Ladner performs imaging including x-ray of chest, 1 view and x-ray of chest, 2 views; provides treatments such as ultrasound study of one arm or leg veins with compression and maneuvers and ultrasound study of arm or leg veins with compression and maneuvers. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Ladner confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ladner. If this is you, claiming it is free.
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