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John Holland in Portland, Oregon

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John Holland has Radiation Oncology as his primary medical specialty. Their primary office is: 10123 Se Market St in Portland, Oregon. There is an additional office location, for a total of two, for John Holland that can be viewed further down.

They're a part of the: Portland Adventist Medical Center medical group which has around 216 members. You can call their office at 503-257-2500 to schedule an appointment. They also accept the Medicare-approved amount as payment in full. They attended Washington University School Of Medicine and graduated in 1989 (around 35 years of experience). They are not listed as doing telehealth appointments, but this may have changed. It can't hurt to call and check. If anything it may encourage them to make them available if they are not currently.


John M Holland Office Phone and Directions

John Holland
Portland Adventist Medical Center
10123 Se Market St
Portland, Oregon 97216
503-257-2500


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Phone: 503-257-2500


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Healthcare Info for John Holland

Medical School: Washington University School Of Medicine
Graduation Year: 1989
The Primary Medical Specialty for John Holland is listed as: Radiation Oncology
Approximate Years of Experience: 35
PAC (PECOS ID)#: 5092873885
NPI #: 1104834662
NPI Created On: 08/03/2006
NPI Last Updated Listed as: 09/30/2020
Primary Taxonomy Code: 2085R0001X
License Number:
MD19074
Listed Gender: Male

Insurance, Services, Charges


Forms of insurance accepted by include, but are not limited to:

  • Moda Health Plan, Inc.
  • PacificSource Health Plans
  • Providence Health Plan
  • Medicare

They are listed as accepting new patients.

Languages spoken by staff include: English.


Services and Procedures include:

  1. Ct scan guidance for insertion of radiation therapy fields
  2. Management of radiation therapy, complex
  3. Calculation of radiation therapy dose
  4. Radiation treatment devices, design and construction, complex
  5. Radiation treatment management, 5 treatments
  6. New patient office or other outpatient visit, typically 60 minutes
  7. Established patient office or other outpatient visit, typically 15 minutes
  8. Established patient office or other outpatient, visit typically 25 minutes
  9. Physician telephone patient service, 5-10 minutes of medical discussion

They took part in Medicare's Electronic Health Record Incentive Program which was designed to help move people over to electronic records and improve the systems that were already in place.
They took part in the Medicare Physician Quality Reporting System (PQRS).

Additional Office Locations

1. Portland Adventist Medical Center
10123 Se Market St
Portland, OR 97216
Group Members: 158


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Providers in Portland Adventist Medical Center

1.Anna Acree

10123 Se Market St
Portland Or 97216-2532
Portland Adventist Medical Center
Nurse Practitioner

2.Eloho Ajayi

10123 Se Market St
Portland Or 97216-2532
Portland Adventist Medical Center
Infectious Disease

3.Eloho Ajayi

10201 Se Main St
Portland Or 97216-2937
Portland Adventist Medical Center
Infectious Disease

4.Fawaz Alhumaid

2700 Se Stratus Ave
Mcminnville Or 97128-6258
Portland Adventist Medical Center
Cardiac Electrophysiology

5.Fawaz Alhumaid

10000 Se Main St
Portland Or 97216-2474
Portland Adventist Medical Center
Cardiac Electrophysiology

6.Sidney Amankwah

10123 Se Market St
Portland Or 97216-2532
Portland Adventist Medical Center
Hospitalist

View all 216 members of Portland Adventist Medical Center medical group