Are you Dr. Johnson? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 11411 Brookshire Ave Ste 101, Downey, CA 90241
About Dr. Johnson
Penny R. Johnson, MD is a healthcare provider in Downey, CA specializing in diagnostic radiology. Penny trained at Northeastern Ohio University College of Medicine, graduating in 2007. According to Medicare claims data, Penny cared for 901 Medicare patients across 1,380 services. The services billed most often include injection, gadolinium-based magnetic resonance contrast agent, not otherwise specified (nos), per ml, screening mammography, and complete ultrasound scan of 1 breast. This provider record is associated with NPI 1497942106.
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
- (562) 869-9192
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
11411 BROOKSHIRE AVE STE 101
Downey, CA 90241
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
1,380 services · 901 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Screening mammography | Imaging | 77067 |
299 | As often as other peers in Diagnostic Radiology |
| Complete ultrasound scan of 1 breast | Imaging | 76641 |
104 | More often than most peers in Diagnostic Radiology |
| Complete ultrasound scan of abdomen | Imaging | 76700 |
91 | More often than most peers in Diagnostic Radiology |
| Mri scan of leg joint without contrast | Imaging | 73721 |
60 | As often as other peers in Diagnostic Radiology |
| Mri scan of lower spinal canal without contrast | Imaging | 72148 |
52 | As often as other peers in Diagnostic Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
45 | Less often than most peers in Diagnostic Radiology |
| Diagnostic mammography of both breasts | Imaging | 77066 |
44 | As often as other peers in Diagnostic Radiology |
| Diagnostic mammography of 1 breast | Imaging | 77065 |
40 | Less often than most peers in Diagnostic Radiology |
| Mri scan of brain without contrast | Imaging | 70551 |
39 | Less often than most peers in Diagnostic Radiology |
| Complete ultrasound scan behind abdominal cavity | Imaging | 76770 |
31 | 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 Downey 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Northeastern Ohio University College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2007 at Northeastern Ohio University College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Screening mammography 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Johnson specialize in?
Dr. Johnson is a radiologist in Downey, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
Where is Dr. Johnson located?
Dr. Johnson is listed at 11411 Brookshire Ave Ste 101, Downey, CA 90241. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Johnson's phone number?
The number on file is (562) 869-9192. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Johnson's NPI number?
Dr. Johnson's National Provider Identifier is 1497942106. 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. Johnson go to medical school?
Dr. Johnson attended Northeastern Ohio University College of Medicine, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Johnson been practicing?
Dr. Johnson has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Johnson do most often?
According to Medicare billing data, Dr. Johnson performs imaging including screening mammography and complete ultrasound scan of 1 breast; provides treatments such as ultrasound of leg arteries or artery grafts. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Johnson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Johnson. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.