Physician Profile
Friedrich D. Knollmann, M.D.
Unclaimed ProfileAbout Dr. Knollmann
Friedrich D. Knollmann, M.D. is a healthcare provider in Philadelphia, PA specializing in diagnostic radiology. According to Medicare claims data, Friedrich cared for 2,231 Medicare patients across 4,848 services. The services billed most often include low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml, x-ray of chest, 1 view, and ct scan of chest without contrast.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (215) 662-3000
- Email not available
Practice Locations
3400 SPRUCE ST
Philadelphia, PA 19104
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
4,848 services · 2,231 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
1,475 | More than most peers in Diagnostic Radiology |
| Ct scan of chest without contrast | Imaging | 71250 |
339 | More than most peers in Diagnostic Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
332 | More often than most peers in Diagnostic Radiology |
| Ct scan of chest with contrast | Imaging | 71260 |
303 | More than most peers in Diagnostic Radiology |
| Ct scan of chest with contrast | Imaging | 71260 |
216 | More than most peers in Diagnostic Radiology |
| Ct scan of chest without contrast | Imaging | 71250 |
154 | More than most peers in Diagnostic Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
42 | More often than most peers in Diagnostic Radiology |
| X-ray of abdomen, 1 view | Imaging | 74018 |
25 | Less often than most peers in Diagnostic Radiology |
| Low dose ct scan of chest for lung cancer screening | Imaging | 71271 |
21 | As often as other peers in Diagnostic Radiology |
| Low dose ct scan of chest for lung cancer screening | Imaging | 71271 |
19 | As often as other 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.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 30 related providers in 4 groups
Other radiologists in Philadelphia 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1993 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 1 view 8
Providers in PA who bill this service to Medicare most often.
Common questions
What kind of doctor is Friedrich D. Knollmann?
Friedrich D. Knollmann is a radiologist in Philadelphia, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
What is Friedrich D. Knollmann's address?
Friedrich D. Knollmann is listed at 3400 Spruce St, Philadelphia, PA 19104. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Friedrich D. Knollmann?
The number on file is (215) 662-3000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Friedrich D. Knollmann's NPI number?
Friedrich D. Knollmann's National Provider Identifier is 1497894224. 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 Friedrich D. Knollmann train?
Friedrich D. Knollmann attended Other, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
How long has Friedrich D. Knollmann been practicing?
Friedrich D. Knollmann has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
What procedures does Friedrich D. Knollmann perform?
According to Medicare billing data, Friedrich D. Knollmann performs imaging including x-ray of chest, 1 view and ct scan of chest without contrast. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Friedrich D. Knollmann confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Friedrich D. Knollmann. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.