RALPH MAXIMILLIAN KOENKER M.D. NPI 1891734265

NPI Information

  • NPI: 1891734265
  • Provider Name: RALPH MAXIMILLIAN KOENKER, M.D.
  • Classification: Radiology - 2085R0202X
  • Specialization: Diagnostic Radiology
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 180 ROWLAND WAY
    NOVATO, CA
    ZIP 94945
  • Phone: (415) 290-1500

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NPI Details

Ralph Maximillian Koenker, M.D. is a diagnostic radiology radiology in Novato, CA with 41 years of experience. The provider is a radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease. Ralph Maximillian Koenker, M.D. NPI is 1891734265. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: UNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE
Graduation Year:1985

The provider's business location address is:

180 ROWLAND WAY
NOVATO, CA
ZIP 94945-009
Phone: (415) 290-1500

The NPI 1891734265 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

  • X-ray of chest, 1 view (HCPCS:71045)
  • Screening 3d breast mammography (HCPCS:77063)
  • Screening mammography (HCPCS:77067)
  • Dxa bone density measurement of hip, pelvis, spine (HCPCS:77080)
  • Ct scan head or brain without contrast (HCPCS:70450)
  • Ct scan of abdomen and pelvis with contrast (HCPCS:74177)
  • X-ray of chest, 2 views (HCPCS:71046)
  • X-ray of hip, 2-3 views (HCPCS:73502)
  • Ct scan of chest without contrast (HCPCS:71250)
  • Complete ultrasound scan of abdomen (HCPCS:76700)
  • Ct scan of upper spine without contrast (HCPCS:72125)
  • Ultrasound study of one arm or leg veins with compression and maneuvers (HCPCS:93971)
  • Ct scan of abdomen and pelvis without contrast (HCPCS:74176)
  • Ct scan of chest with contrast (HCPCS:71260)
  • Mri scan of brain without contrast (HCPCS:70551)
  • Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) (HCPCS:G0279)
  • Ct scan of blood vessels of chest with contrast (HCPCS:71275)
  • X-ray of abdomen, 1 view (HCPCS:74018)
  • Complete ultrasound scan behind abdominal cavity (HCPCS:76770)
  • X-ray of foot, minimum of 3 views (HCPCS:73630)
  • Ct scan of blood vessels of neck with contrast (HCPCS:70498)
  • X-ray of shoulder, minimum of 2 views (HCPCS:73030)
  • Ct scan of blood vessels of head with contrast (HCPCS:70496)
  • X-ray of knee, 3 views (HCPCS:73562)
  • Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (HCPCS:99152)
  • X-ray of lower and sacral spine, 2-3 views (HCPCS:72100)
  • Mri scan of lower spinal canal without contrast (HCPCS:72148)
  • X-ray of hip, 1 view (HCPCS:73501)
  • Ultrasound scan of head and neck soft tissue (HCPCS:76536)
  • X-ray of hand, minimum of 3 views (HCPCS:73130)
  • Diagnostic mammography of 1 breast (HCPCS:77065)
  • Ultrasound study of arm or leg veins with compression and maneuvers (HCPCS:93970)
  • X-ray of wrist, minimum of 3 views (HCPCS:73110)
  • Limited ultrasound scan of 1 breast (HCPCS:76642)
  • X-ray of pelvis, 1-2 views (HCPCS:72170)
  • X-ray of knee, 4 or more views (HCPCS:73564)
  • Ct scan of lower spine without contrast (HCPCS:72131)
  • X-ray of ankle, minimum of 3 views (HCPCS:73610)
  • Imaging guidance for procedure, 60 minutes or less (HCPCS:76000)
  • Ct guidance for insertion of radiation therapy fields (HCPCS:77014)
  • Complete ultrasound scan of pelvis (HCPCS:76856)
  • Mri scan of upper spinal canal without contrast (HCPCS:72141)
  • X-ray of knee, 1-2 views (HCPCS:73560)
  • Dxa bone density measurement of forearm, finger, hand, or foot (HCPCS:77081)
  • Diagnostic mammography of both breasts (HCPCS:77066)
  • Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina (HCPCS:76830)
  • Ct scan of face without contrast (HCPCS:70486)
  • X-ray of lower and sacral spine, minimum of 4 views (HCPCS:72110)
  • X-ray of ribs on side of body, minimum of 3 views (HCPCS:71101)
  • Mri scan of brain before and after contrast (HCPCS:70553)
  • Ultrasound of both sides of head and neck blood flow (HCPCS:93880)
  • X-ray of both hips, 3-4 views (HCPCS:73522)
  • X-ray of knee, 3 views (HCPCS:73562)
  • X-ray of chest, 2 views (HCPCS:71046)
  • Insertion of tube for infusion with imaging guidance and review by radiologist, patient 5 years or older (HCPCS:36573)
  • X-ray of upper spine, 2-3 views (HCPCS:72040)
  • X-ray of elbow, minimum of 3 views (HCPCS:73080)
  • X-ray of middle spine, 2 views (HCPCS:72070)
  • X-ray of shoulder, minimum of 2 views (HCPCS:73030)
  • Ct scan of arm without contrast (HCPCS:73200)
  • Limited ultrasound scan of abdomen (HCPCS:76705)
  • Mri scan of abdomen without contrast (HCPCS:74181)
  • X-ray of hip, 2-3 views (HCPCS:73502)
  • X-ray of upper spine, 4-5 views (HCPCS:72050)
  • Ct scan of blood vessels of abdomen and pelvis with contrast (HCPCS:74174)
  • Review by radiologist of image for replacement of stomach or large bowel tube (HCPCS:75984)
  • X-ray of thigh bone, minimum 2 views (HCPCS:73552)
  • Ct scan of leg without contrast (HCPCS:73700)
  • Fluoroscopic guidance for insertion or removal of central vein access device (HCPCS:77001)
  • X-ray of lower leg, 2 views (HCPCS:73590)
  • Limited ultrasound scan of joint or other extremity structure lacking blood vessels (HCPCS:76882)
  • X-ray of hand, minimum of 3 views (HCPCS:73130)
  • Ct scan of pelvis without contrast (HCPCS:72192)
  • X-ray of shoulder, 1 view (HCPCS:73020)
  • Ct scan of abdomen and pelvis before and after contrast (HCPCS:74178)
  • Mri scan of abdomen before and after contrast (HCPCS:74183)
  • Ultrasonic guidance for blood vessel access (HCPCS:76937)
  • X-ray of abdomen, 2 views (HCPCS:74019)
  • X-ray of knee, 4 or more views (HCPCS:73564)
  • X-ray of wrist, minimum of 3 views (HCPCS:73110)
  • Mri scan of middle spinal canal without contrast (HCPCS:72146)
  • Ct scan of heart with evaluation of blood vessel calcium (HCPCS:75571)
  • Review by radiologist of ct guidance for needle placement (HCPCS:77012)

The enumeration date for this NPI number is 6/4/2006 and was last updated on 3/7/2012.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
12085R0204XRadiologyVascular & Interventional RadiologyG60981CALIFORNIANo
22085N0700XRadiologyNeuroradiologyG60981CALIFORNIANo
32085R0202XRadiologyDiagnostic RadiologyG60981CALIFORNIAYes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
1300121787OTHERCALIFORNIARAILROAD MEDICARE
200G609815MEDICARE PINCALIFORNIA
300G609814MEDICARE PINCALIFORNIA
4E27201MEDICARE UPINCALIFORNIA
5BZ376WMEDICARE PINCALIFORNIA
6BZ376XMEDICARE PINCALIFORNIA
7BZ376TMEDICARE PINCALIFORNIA
800G609813MEDICARE PINCALIFORNIA
900G609810OTHERCALIFORNIABLUE SHIELD
10BZ376VMEDICARE PINCALIFORNIA
11300035771OTHERCALIFORNIARAILROAD MEDICARE
1200G609810MEDICAIDCALIFORNIA
13BZ376YMEDICARE PINCALIFORNIA
1400G609818MEDICARE PINCALIFORNIA

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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