Are you Gerald B. Holtz, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 705 S Sleight St, Naperville, IL 60540
About Dr. Holtz
Based in Naperville, IL, Gerald B. Holtz, M.D. is listed in the NPI registry under diagnostic radiology. Gerald graduated from Northwestern University Feinberg Medical School in 1968. According to Medicare claims data, Gerald cared for 1,037 Medicare patients across 1,068 services. The services billed most often include x-ray of chest, 1 view, ct scan of abdomen and pelvis without contrast, and ct scan of abdomen and pelvis with contrast. NPI 1578649554 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
- (630) 903-4520
- Email not available
Practice Locations
705 S SLEIGHT ST
Naperville, IL 60540
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
Abdominal imaging
Biopsies
Bone Density
Breast Imaging
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
1,068 services · 1,037 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
408 | As often as other peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
151 | More often than most peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
106 | As often as other peers in Diagnostic Radiology |
| Ct scan head or brain without contrast | Imaging | 70450 |
97 | Less often than most peers in Diagnostic Radiology |
| Ct scan of blood vessels of chest with contrast | Imaging | 71275 |
60 | As often as other peers in Diagnostic Radiology |
| Ct scan of chest without contrast | Imaging | 71250 |
46 | Less often than most peers in Diagnostic Radiology |
| Ct scan of chest with contrast | Imaging | 71260 |
40 | Less often than most peers in Diagnostic Radiology |
| Limited ultrasound scan of abdomen | Imaging | 76705 |
30 | As often as other peers in Diagnostic Radiology |
| Ct scan of upper spine without contrast | Imaging | 72125 |
29 | Less often than most peers in Diagnostic Radiology |
| X-ray of abdomen, 1 view | Imaging | 74018 |
21 | 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 in Naperville 8
Same specialty, same city.
Trained at Northwestern University Feinberg Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1968 at Northwestern University Feinberg Medical School 6
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs X-ray of chest, 1 view 8
Providers in IL who bill this service to Medicare most often.
Common questions
What is Gerald B. Holtz's specialty?
Gerald B. Holtz is a radiologist in Naperville, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
Where can I find Gerald B. Holtz?
Gerald B. Holtz is listed at 705 S Sleight St, Naperville, IL 60540. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Gerald B. Holtz?
The number on file is (630) 903-4520. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Gerald B. Holtz's NPI number?
Gerald B. Holtz's National Provider Identifier is 1578649554. 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
What is Gerald B. Holtz's education?
Gerald B. Holtz attended Northwestern University Feinberg Medical School, graduating in 1968. This comes from the CMS National Downloadable File.
CMS public data
How long has Gerald B. Holtz been practicing?
Gerald B. Holtz has 58 years experience. Calculated from a graduation year of 1968, reported in the CMS National Downloadable File.
CMS public data
What is Gerald B. Holtz known for?
According to Medicare billing data, Gerald B. Holtz performs imaging including x-ray of chest, 1 view and ct scan of abdomen and pelvis without contrast; 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 Gerald B. Holtz confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Gerald B. Holtz. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.