Physician Profile
Unclaimed ProfileAbout KNOWLES
Based in Everett, WA, Ann M Knowles, M.D. is listed in the NPI registry under internal medicine. Ann graduated from University of Nebraska College of Medicine in 1993. According to Medicare claims data, Ann cared for 608 Medicare patients across 642 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
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (425) 339-5442
- Email not available
Practice Locations
3927 RUCKER AVE
Everett, WA 98201
Procedures Most Often Billed to Medicare
642 services · 608 patients · 17 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
55 |
| Routine electrocardiogram (ecg) using at least 12 leads with tracing | Treatment | 93005 |
16 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
149 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
126 |
| Manual urinalysis test with examination using microscope, automated | Lab test | 81001 |
51 |
| Bacterial colony count, urine | Lab test | 87086 |
40 |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
34 |
| Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution | Lab test | 87186 |
29 |
| Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | Lab test | 87635 |
26 |
| Complete blood cell count (red cells, white blood cell, platelets), automated test | Lab test | 85027 |
24 |
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.
Other internal medicines at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 31 related providers in 4 groups
Other internal medicines in Everett 7
Same specialty, same city.
Trained at University of Nebraska College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1993 at University of Nebraska College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in WA who bill this service to Medicare most often.
Common questions
What does Dr. Knowles specialize in?
Dr. Knowles is an internal medicine in Everett, WA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where is Dr. Knowles located?
Dr. Knowles is listed at 3927 RUCKER AVE, Everett, WA 98201. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Knowles's phone number?
The number on file is (425) 339-5442. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Knowles's NPI number?
Dr. Knowles's National Provider Identifier is 1669404562. 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. Knowles go to medical school?
Dr. Knowles attended University of Nebraska College of Medicine, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Knowles been practicing?
Dr. Knowles has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Knowles do most often?
According to Medicare billing data, Dr. Knowles performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as routine electrocardiogram using at least 12 leads with tracing, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Knowles confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Knowles. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.