DR. JOHN BENJAMIN COLBY MD PHD NPI 1700205374

NPI Information

  • NPI: 1700205374
  • Provider Name: DR. JOHN BENJAMIN COLBY, MD, PHD
  • Classification: Radiology - 2085N0700X
  • Specialization: Neuroradiology
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 250 BON AIR RD
    GREENBRAE, CA
    ZIP 94904
  • Phone: (415) 925-7301

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NPI Details

DR. John Benjamin Colby, MD, PHD is a neuroradiology radiology in Greenbrae, CA with 12 years of experience. The provider is a radiologist who diagnoses and treats diseases utilizing imaging procedures as they relate to the brain, spine and spinal cord, head, neck and organs of special sense in adults and children. DR. John Benjamin Colby, MD, PHD NPI is 1700205374. 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, GEFFEN SCHOOL OF MEDICINE
Graduation Year:2014

The provider's business location address is:

250 BON AIR RD
GREENBRAE, CA
ZIP 94904-702
Phone: (415) 925-7301

The NPI 1700205374 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)
  • Ct scan head or brain without contrast (HCPCS:70450)
  • Ct scan of abdomen and pelvis with contrast (HCPCS:74177)
  • Mri scan of brain without contrast (HCPCS:70551)
  • Mri scan of brain before and after contrast (HCPCS:70553)
  • Ct scan of chest with contrast (HCPCS:71260)
  • Ct scan of upper spine without contrast (HCPCS:72125)
  • Dxa bone density measurement of hip, pelvis, spine (HCPCS:77080)
  • Ct scan of chest without contrast (HCPCS:71250)
  • X-ray of chest, 2 views (HCPCS:71046)
  • Complete ultrasound scan of abdomen (HCPCS:76700)
  • Ct scan of blood vessels of chest with contrast (HCPCS:71275)
  • Complete ultrasound scan behind abdominal cavity (HCPCS:76770)
  • Ct scan of blood vessels of neck with contrast (HCPCS:70498)
  • Ct scan of blood vessels of head with contrast (HCPCS:70496)
  • X-ray of hip, 2-3 views (HCPCS:73502)
  • Ultrasound scan of head and neck soft tissue (HCPCS:76536)
  • Mri scan of pelvis before and after contrast (HCPCS:72197)
  • Screening mammography (HCPCS:77067)
  • Screening 3d breast mammography (HCPCS:77063)
  • Ct scan of abdomen and pelvis without contrast (HCPCS:74176)
  • X-ray of abdomen, 1 view (HCPCS:74018)
  • Mri scan of lower spinal canal without contrast (HCPCS:72148)
  • Ct scan of face without contrast (HCPCS:70486)
  • X-ray of lower and sacral spine, 2-3 views (HCPCS:72100)
  • X-ray of foot, minimum of 3 views (HCPCS:73630)
  • X-ray of shoulder, minimum of 2 views (HCPCS:73030)
  • Complete ultrasound scan of pelvis (HCPCS:76856)
  • Ultrasound study of arm or leg veins with compression and maneuvers (HCPCS:93970)
  • X-ray of knee, 4 or more views (HCPCS:73564)
  • Ultrasound study of one arm or leg veins with compression and maneuvers (HCPCS:93971)
  • Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina (HCPCS:76830)
  • X-ray of pelvis, 1-2 views (HCPCS:72170)
  • Mri scan of abdomen before and after contrast (HCPCS:74183)
  • Ct scan of lower spine without contrast (HCPCS:72131)
  • Mri scan of blood vessels of head without contrast (HCPCS:70544)
  • Ct scan of face without contrast (HCPCS:70486)
  • X-ray of wrist, minimum of 3 views (HCPCS:73110)
  • Ct guidance for insertion of radiation therapy fields (HCPCS:77014)
  • Mri scan of upper spinal canal without contrast (HCPCS:72141)
  • X-ray of hand, minimum of 3 views (HCPCS:73130)
  • X-ray of knee, 3 views (HCPCS:73562)
  • Imaging for evaluation of swallowing function (HCPCS:74230)
  • X-ray of ankle, minimum of 3 views (HCPCS:73610)
  • X-ray of knee, 4 or more views (HCPCS:73564)
  • Ct scan of blood vessels of abdomen and pelvis with contrast (HCPCS:74174)
  • X-ray of hip, 2-3 views (HCPCS:73502)
  • Mri scan of bone of eye socket, face, and/or neck before and after contrast (HCPCS:70543)
  • X-ray of knee, 3 views (HCPCS:73562)
  • X-ray of knee, 1-2 views (HCPCS:73560)
  • X-ray of hand, minimum of 3 views (HCPCS:73130)
  • Mri scan of lower spinal canal before and after contrast (HCPCS:72158)
  • Mri scan of blood vessels of neck before and after contrast (HCPCS:70549)
  • X-ray of chest, 2 views (HCPCS:71046)
  • Mri scan of middle spinal canal before and after contrast (HCPCS:72157)
  • Ct scan of leg without contrast (HCPCS:73700)
  • Ct scan of abdomen and pelvis before and after contrast (HCPCS:74178)
  • X-ray of shoulder, minimum of 2 views (HCPCS:73030)
  • X-ray of entire middle and lower spine, 2-3 views (HCPCS:72082)
  • Ct scan of pelvis without contrast (HCPCS:72192)
  • Mri scan of abdomen without contrast (HCPCS:74181)
  • X-ray of elbow, minimum of 3 views (HCPCS:73080)
  • Ultrasound of both sides of head and neck blood flow (HCPCS:93880)
  • X-ray of both hips, 3-4 views (HCPCS:73522)
  • Ct scan of middle spine without contrast (HCPCS:72128)
  • X-ray of lower and sacral spine, minimum of 4 views (HCPCS:72110)
  • X-ray of upper spine, 4-5 views (HCPCS:72050)
  • X-ray of wrist, minimum of 3 views (HCPCS:73110)
  • Dxa bone density measurement of forearm, finger, hand, or foot (HCPCS:77081)
  • Nuclear medicine study from skull base to mid-thigh with ct scan (HCPCS:78815)
  • Limited ultrasound scan of pelvis (HCPCS:76857)
  • X-ray of foot, minimum of 3 views (HCPCS:73630)
  • X-ray of middle spine, 2 views (HCPCS:72070)
  • X-ray of lower and sacral spine, 2-3 views (HCPCS:72100)
  • Mri scan of middle spinal canal without contrast (HCPCS:72146)
  • X-ray of upper spine, 2-3 views (HCPCS:72040)
  • Mri scan of pelvis without contrast (HCPCS:72195)
  • Ultrasound scan of scrotum (HCPCS:76870)
  • Limited ultrasound scan of joint or other extremity structure lacking blood vessels (HCPCS:76882)
  • Ultrasound of abdomen and pelvis artery and vein blood flow (HCPCS:93976)
  • X-ray of abdomen, 2 views (HCPCS:74019)
  • Ct scan of blood vessels and grafts of heart with contrast (HCPCS:75574)
  • Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) (HCPCS:G0279)
  • Limited ultrasound scan of abdomen (HCPCS:76705)
  • Limited ultrasound scan of 1 breast (HCPCS:76642)
  • X-ray of ankle, minimum of 3 views (HCPCS:73610)
  • X-ray of ribs on side of body, minimum of 3 views (HCPCS:71101)
  • X-ray of lower leg, 2 views (HCPCS:73590)
  • Diagnostic mammography of 1 breast (HCPCS:77065)
  • Ct scan of soft tissue of neck with contrast (HCPCS:70491)
  • Mri scan of upper spinal canal before and after contrast (HCPCS:72156)
  • X-ray of hip, 1 view (HCPCS:73501)
  • Nuclear medicine study of bone and/or joint whole body (HCPCS:78306)
  • Spinal fusion (HCPCS:NAN02)

The enumeration date for this NPI number is 4/10/2014 and was last updated on 7/1/2020.

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
12085N0700XRadiologyNeuroradiologyA139185CALIFORNIAYes

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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