Physician Profile
John R. Knudsen, M.D.
Unclaimed ProfileAbout Dr. Knudsen
Based in Ferndale, WA, John R. Knudsen, M.D. is listed in the NPI registry under general practice. John graduated from University of Washington School of Medicine in 1970. John is also listed as specializing in emergency medical services. According to Medicare claims data, John cared for 354 Medicare patients across 635 services.
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
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (360) 734-2330
- Email not available
Practice Locations
6046 PORTAL WAY STE 103
Ferndale, WA 98248
Conditions Commonly Evaluated or Treated
Within General Practice generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Procedures & services
Most searched procedures
Procedures Most Often Billed to Medicare
635 services · 354 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
17 |
| Influenza vaccine, trivalent, split virus, preservative-free, 0.5 ml dosage | Treatment | 90656 |
15 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
310 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
187 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
43 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
28 |
| Urinalysis, manual test | Lab test | 81002 |
18 |
| Administration of influenza virus vaccine | Billing code | G0008 |
17 |
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 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at University of Washington School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1970 at University of Washington School of Medicine 2
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 8
Providers in WA who bill this service to Medicare most often.
Common questions
What is Dr. Knudsen's specialty?
Dr. Knudsen is a general practice in Ferndale, WA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GENERAL PRACTICE”.
NPI registry
Where can I find Dr. Knudsen?
Dr. Knudsen is listed at 6046 PORTAL WAY STE 103, Ferndale, WA 98248. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Knudsen?
The number on file is (360) 734-2330. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Knudsen's NPI number?
Dr. Knudsen's National Provider Identifier is 1508952060. 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
What is Dr. Knudsen's medical education?
Dr. Knudsen attended University of Washington School of Medicine, graduating in 1970. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Knudsen been practicing?
Dr. Knudsen has 56 years experience. Calculated from a graduation year of 1970, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Knudsen known for?
According to Medicare billing data, Dr. Knudsen provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and influenza vaccine, trivalent, split virus, preservative-free, 0.5 ml dosage, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Knudsen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Knudsen. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.