Doctor profile · Federal record
Dr. Ann Knowles, M.D.
Family Medicine Physician (CMS: Internal Medicine) · Everett, WA
- NPI 1669404562
- Accepts Medicare
- 33 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3927 Rucker Ave
Everett, WA 982014833
(425) 339-5442 - Mailing address
-
Po Box 5127
Everett, WA 982065127
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- June 13, 2014
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Washington #MD00035979
- Medicaid
- WA #8223919
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1669404562. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,033
Distinct HCPCS
10
Medicare allowed
$45,043
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
Q9967 |
Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 1,300 | 12 | $0 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 203 | 190 | $128 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 87 | 83 | $92 | |
36415 |
Insertion of needle into vein for collection of blood sample | 65 | 61 | $8 | |
81001 |
Manual urinalysis test with examination using microscope, automated | 43 | 43 | $3 | |
80053 |
Blood test, comprehensive group of blood chemicals | 38 | 37 | $10 | |
85027 |
Complete blood cell count (red cells, white blood cell, platelets), automated test | 30 | 29 | $6 | |
84484 |
Troponin (protein) analysis, quantitative | 23 | 22 | $12 | |
87635 |
Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | 22 | 22 | $50 | |
93005 |
Routine electrocardiogram (ecg) using at least 12 leads with tracing | 22 | 22 | $7 |
In context: peer comparison
Among 39 peers in this city , average services per provider: 44. This provider delivers 46× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
599
Patients
543
Total drug cost
$5,077
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 139 | 128 | $568 |
| Doxycycline Hyclate | Generic | 70 | 70 | $766 |
| Meloxicam | Generic | 63 | 34 | $279 |
| Cephalexin | Generic | 46 | 44 | $392 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 45 | 45 | $592 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 38 | 38 | $222 |
| Fluconazole | Generic | 26 | 22 | $359 |
| Tizanidine Hcl | Generic | 25 | 24 | $84 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 24 | 19 | $572 |
| Cefuroxime (Cefuroxime Axetil) | Brand | 24 | 23 | $447 |
Frequently asked questions
What is Dr. Ann Knowles's medical specialty?
Dr. Ann Knowles practices Family Medicine Physician in Everett, WA.
Where does Dr. Ann Knowles practice?
Dr. Ann Knowles practices at 3927 Rucker Ave, Everett, WA 982014833. Office phone: 4253395442.
What is Dr. Ann Knowles's NPI?
Dr. Ann Knowles's National Provider Identifier (NPI) is 1669404562, issued by NPPES.
Does Dr. Ann Knowles accept Medicare assignment?
Yes. Dr. Ann Knowles accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ann Knowles commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.