Doctor profile · Federal record
Dr. Gerald Holtz, M.D.
Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Naperville, IL
- NPI 1578649554
- Accepts Medicare
- 58 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
705 S Sleight St
Naperville, IL 605406628
(630) 903-4520
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- January 6, 2011
- Year of graduation
- 1968 — 58 yrs since
- Specialty taxonomy
- 2085R0202X — NUCC code
- State license (1)
- Illinois #36-44766
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578649554. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,697
Distinct HCPCS
10
Medicare allowed
$67,412
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
71045 |
X-ray of chest, 1 view | 708 | 662 | $9 | |
74176 |
Ct scan of abdomen and pelvis without contrast | 245 | 244 | $85 | |
70450 |
Ct scan head or brain without contrast | 171 | 171 | $41 | |
74177 |
Ct scan of abdomen and pelvis with contrast | 114 | 114 | $89 | |
71275 |
Ct scan of blood vessels of chest with contrast | 86 | 85 | $88 | |
71250 |
Ct scan of chest without contrast | 51 | 51 | $52 | |
74018 |
X-ray of abdomen, 1 view | 42 | 37 | $9 | |
72125 |
Ct scan of upper spine without contrast | 40 | 40 | $48 | |
76705 |
Limited ultrasound scan of abdomen | 38 | 38 | $28 | |
72131 |
Ct scan of lower spine without contrast | 30 | 30 | $46 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 48. This provider delivers 35× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Gerald Holtz's medical specialty?
Dr. Gerald Holtz practices Diagnostic Radiology Physician in Naperville, IL.
Where does Dr. Gerald Holtz practice?
Dr. Gerald Holtz practices at 705 S Sleight St, Naperville, IL 605406628. Office phone: 6309034520.
What is Dr. Gerald Holtz's NPI?
Dr. Gerald Holtz's National Provider Identifier (NPI) is 1578649554, issued by NPPES.
Does Dr. Gerald Holtz accept Medicare assignment?
Yes. Dr. Gerald Holtz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gerald Holtz commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045); Ct scan of abdomen and pelvis without contrast (HCPCS 74176); Ct scan head or brain without contrast (HCPCS 70450). Source: CMS Medicare Physician & Other Practitioners file.