Doctor profile · Federal record
Dr. John Holland, MD
Radiation Oncology Physician (CMS: Radiation Oncology) · Portland, OR
- NPI 1104834662
- Accepts Medicare
- 37 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
3181 Sw Sam Jackson Park RD, Kpv4
Portland, OR 972393011
(503) 494-8756 - Additional location
-
1775 Thompson RD
Coos Bay, OR 974202198
(541) 269-8111 - Mailing address
-
3625 Ne Multnomah St
Portland, OR 972321914
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- September 30, 2020
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 2085R0001X — NUCC code
- State license (1)
- Oregon #MD19074
- Medicaid
- OR #286814
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104834662. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
92
Distinct HCPCS
2
Medicare allowed
$7,311
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
77014 |
Ct guidance for insertion of radiation therapy fields | 71 | 14 | $46 | |
77427 |
Radiation treatment management, 5 treatment sessions | 21 | 11 | $194 |
In context: peer comparison
Among 17 peers in this city , average services per provider: 52. This provider delivers 1.8× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. John Holland's medical specialty?
Dr. John Holland practices Radiation Oncology Physician in Portland, OR.
Where does Dr. John Holland practice?
Dr. John Holland practices at 3181 Sw Sam Jackson Park RD, Portland, OR 972393011. Office phone: 5034948756.
What is Dr. John Holland's NPI?
Dr. John Holland's National Provider Identifier (NPI) is 1104834662, issued by NPPES.
Does Dr. John Holland accept Medicare assignment?
Yes. Dr. John Holland accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Holland commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Radiation treatment management, 5 treatment sessions (HCPCS 77427). Source: CMS Medicare Physician & Other Practitioners file.