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- 4200 Houma Blvd, Radiology Department, Metairie, LA 70006
About Dr. Joslyn
John N. Joslyn, MD is a healthcare provider in Metairie, LA specializing in diagnostic radiology. John trained at University of Virginia School of Medicine, graduating in 1979. According to Medicare claims data, John cared for 389 Medicare patients across 445 services. The services billed most often include ct scan head or brain without contrast, mri scan of brain before and after contrast, and mri scan of brain without contrast. This provider record is associated with NPI 1164409066.
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
- (504) 454-4133
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
4200 HOUMA BLVD RADIOLOGY DEPARTMENT
Metairie, LA 70006
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
Breast
Chest & Heart
General
Heart & blood vessels
Joint & bone
Liver & digestion
Lungs & breathing
Men's health
Neck & Thyroid
Nerve pain
Pelvic health
Spine
Spine & back
Vascular
Women's health
Procedures & services
Breast Imaging
Abdominal imaging
Biopsies
Bone Density
CT Scan
Digestive & liver
Fluoroscopy
General imaging
Heart & blood vessels
Joint & bone
MRI
Nuclear Medicine
Pelvic imaging
Screening & Prevention
Spine & back
Ultrasound
- Abdominal Ultrasound
- Carotid Ultrasound
- Leg Vein Ultrasound
- Pelvic ultrasound
- Scrotal Ultrasound
- Thyroid ultrasound
- Ultrasound
Urinary & kidney
Women's health
X-Ray
Procedures Most Often Billed to Medicare
445 services · 389 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of spinal fluid with lower back spinal tap for diagnostic test using imaging guidance | Procedure | 62328 |
13 | Less often than most peers in Diagnostic Radiology |
| Ct scan head or brain without contrast | Imaging | 70450 |
143 | As often as other peers in Diagnostic Radiology |
| Mri scan of brain before and after contrast | Imaging | 70553 |
70 | As often as other peers in Diagnostic Radiology |
| Mri scan of brain without contrast | Imaging | 70551 |
52 | As often as other peers in Diagnostic Radiology |
| X-ray of chest, 1 view | Imaging | 71045 |
35 | Less often than most peers in Diagnostic Radiology |
| Ct scan of blood vessels of head with contrast | Imaging | 70496 |
31 | Less often than most peers in Diagnostic Radiology |
| Ct scan of blood vessels of neck with contrast | Imaging | 70498 |
24 | Less often than most peers in Diagnostic Radiology |
| Ct scan of upper spine without contrast | Imaging | 72125 |
23 | Less often than most peers in Diagnostic Radiology |
| Ct scan of lower spine without contrast | Imaging | 72131 |
19 | Less often than most peers in Diagnostic Radiology |
| Mri scan of lower spinal canal without contrast | Imaging | 72148 |
12 | Less 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 Metairie 6
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at University of Virginia School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1979 at University of Virginia School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Joslyn specialize in?
Dr. Joslyn is a radiologist in Metairie, LA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
Where is Dr. Joslyn located?
Dr. Joslyn is listed at 4200 Houma Blvd Radiology Department, Metairie, LA 70006. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Joslyn's phone number?
The number on file is (504) 454-4133. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Joslyn's NPI number?
Dr. Joslyn's National Provider Identifier is 1164409066. 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. Joslyn go to medical school?
Dr. Joslyn attended University of Virginia School of Medicine, graduating in 1979. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Joslyn been practicing?
Dr. Joslyn has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Joslyn do most often?
According to Medicare billing data, Dr. Joslyn performs procedures including removal of spinal fluid with lower back spinal tap for diagnostic test using imaging guidance; reads or performs imaging such as ct scan head or brain without contrast and mri scan of brain before and after contrast. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Joslyn confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Joslyn. If this is you, claiming it is free.
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