Physician Profile
Unclaimed ProfileAbout ROCKOFF
Based in Tarzana, CA, Mark R Rockoff, M.D. is listed in the NPI registry under diagnostic radiology. Mark graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1977.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Rockoff specialise in?
Dr. Rockoff is a diagnostic radiology in Tarzana, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DIAGNOSTIC RADIOLOGY”.
NPI registry
Where is Dr. Rockoff located?
Dr. Rockoff is listed at 18344 CLARK STREET SUITE 101, Tarzana, CA 91356. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Rockoff's phone number?
The number on file is (818) 881-9811. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Rockoff?
Dr. Rockoff's National Provider Identifier is 1679513857. 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. Rockoff go to medical school?
Dr. Rockoff attended University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 1977. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Rockoff have?
Dr. Rockoff has 49 years experience. Calculated from a graduation year of 1977, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Rockoff do most often?
According to Medicare billing data, Dr. Rockoff performs imaging including dxa bone density measurement of hip, pelvis, spine and complete ultrasound scan of abdomen. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Rockoff's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Rockoff. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (818) 881-9811
- Email not available
Practice Locations
18344 CLARK STREET SUITE 101
Tarzana, CA 91356
Procedures Most Often Billed to Medicare
476 services · 470 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
374 |
| Complete ultrasound scan of abdomen | Imaging | 76700 |
53 |
| X-ray of chest, 2 views | Imaging | 71046 |
36 |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
13 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other diagnostic radiology specialists at this location 5
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 diagnostic radiology specialists in Tarzana 2
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 8
Other providers in the same specialty who trained at the same institution.
Class of 1977 at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 8
Providers who graduated from the same medical school in the same year.
Also performs Dxa bone density measurement of hip, pelvis, spine 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.