Physician Profile
Unclaimed ProfileAbout DENKER
John Denker, M.D. practises general practice in Portland, OR. John is a 1980 graduate of Oregon Health Sciences University School of Medicine. John is also listed as specialising in family medicine — adult medicine and family medicine — geriatric medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Denker specialise in?
Dr. Denker is a general practice in Portland, OR. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GENERAL PRACTICE”.
NPI registry
Where is Dr. Denker located?
Dr. Denker is listed at 5622 SE 41ST AVE, Portland, OR 97202. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Denker's phone number?
The number on file is (503) 774-6929. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Denker's NPI number?
Dr. Denker's National Provider Identifier is 1942201546. 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 Dr. Denker go to medical school?
Dr. Denker attended Oregon Health Sciences University School of Medicine, graduating in 1980. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Denker been practising?
Dr. Denker has 46 years experience. Calculated from a graduation year of 1980, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Denker do most often?
According to Medicare billing data, Dr. Denker the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Denker confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Denker. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (503) 774-6929
- Email not available
Practice Locations
5622 SE 41ST AVE
Portland, OR 97202
Procedures Most Often Billed to Medicare
334 services · 284 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99304 |
137 |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes | Office visit | 99307 |
64 |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
34 |
| Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more | Office visit | 99306 |
33 |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes | Office visit | 99307 |
32 |
| Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes | Office visit | 99305 |
19 |
| Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99304 |
15 |
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.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other general practices in Portland 2
Same specialty, same city.
Trained at Oregon Health Sciences University School of Medicine 7
Other providers in the same specialty who trained at the same institution.
More connections — 7 related providers in 1 group
Class of 1980 at Oregon Health Sciences University School of Medicine 7
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.