Provider Profile
Mary Oestreich, ARNP
Unclaimed ProfileAbout Mary Oestreich
Mary Oestreich, ARNP is a nurse practitioner based in Everett, WA. Mary is a 2019 graduate of University of Washington School of Medicine. Medicare claims data shows Mary provided 1,420 services to 277 patients. The services billed most often include low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and insertion of needle into vein for collection of blood sample.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (425) 339-5421
- Email not available
Practice Locations
3927 RUCKER AVE
Everett, WA 98201
4011 172nd ST NE
Arlington, WA 98223
Procedures Most Often Billed to Medicare
1,420 services · 277 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
40 | As often as other peers in Nurse Practitioner |
| Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | Billing code | Q9967 |
1,125 | Less often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
66 | As often as other peers in Nurse Practitioner |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
38 | More often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
32 | Less often than most peers in Nurse Practitioner |
| Complete blood cell count (red cells, white blood cell, platelets), automated test | Lab test | 85027 |
25 | As often as other peers in Nurse Practitioner |
| Gammaglobulin (immune system protein) measurement | Lab test | 82784 |
15 | Less often than most peers in Nurse Practitioner |
| Ferritin (blood protein) level | Lab test | 82728 |
15 | Less often than most peers in Nurse Practitioner |
| Transferrin (iron binding protein) level | Lab test | 84466 |
14 | Less often than most peers in Nurse Practitioner |
| Iron level | Lab test | 83540 |
14 | Less often than most peers in Nurse Practitioner |
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 nurse practitioners at this location 1
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 — 30 related providers in 4 groups
Other nurse practitioners in Everett 7
Same specialty, same city.
Trained at University of Washington School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2019 at University of Washington School of Medicine 7
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 Mary Oestreich specialize in?
Mary Oestreich is a nurse practitioner in Everett, WA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Mary Oestreich located?
Mary Oestreich 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 Mary Oestreich's phone number?
The number on file is (425) 339-5421. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Mary Oestreich?
Mary Oestreich's National Provider Identifier is 1073165593. 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 Mary Oestreich train?
Mary Oestreich attended University of Washington School of Medicine, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mary Oestreich have?
Mary Oestreich has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
What does Mary Oestreich do most often?
According to Medicare billing data, Mary Oestreich performs procedures including insertion of needle into vein for collection of blood sample, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mary Oestreich's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mary Oestreich. 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.