Doctor profile · Federal record
Dr. Maria Tretiakova
Clinical Pathology/Laboratory Medicine Physician (CMS: Pathology) · Seattle, WA
- NPI 1427341791
- Accepts Medicare
- MIPS 87.0 / 100 · 2023
- 32 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
325 9Th Ave
Seattle, WA 981042420
(206) 744-3145 - Mailing address
-
Po Box 50095
Seattle, WA 981455095
Credentials & registration
- NPI registered
- May 2011 — 15 yrs on file
- Profile last updated
- January 7, 2013
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 207ZP0105X — NUCC code
- State license (1)
- Washington #MD60292757
- Medicaid
- WA #1427341791
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1427341791. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
946
Distinct HCPCS
9
Medicare allowed
$63,344
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 230 | 130 | $39 | |
88341 |
Special stained specimen slides to examine tissue, each additional procedure | 182 | 57 | $30 | |
88307 |
Pathology examination of tissue using a microscope, moderately high complexity | 164 | 106 | $85 | |
88321 |
Surgical pathology consultation and report on referred slides prepared elsewhere | 145 | 144 | $89 | |
88342 |
Special stained specimen slides to examine tissue, initial procedure | 92 | 79 | $36 | |
G0416 |
Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method | 62 | 62 | $175 | |
88309 |
Pathology examination of tissue using a microscope, high complexity | 40 | 38 | $149 | |
88323 |
Surgical pathology consultation and report on referred material requiring preparation of slides | 17 | 17 | $93 | |
88304 |
Pathology examination of tissue using a microscope, moderately low complexity | 14 | 12 | $12 |
In context: peer comparison
Among 10 peers in this city , average services per provider: 153. This provider delivers 6.2× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Maria Tretiakova's medical specialty?
Dr. Maria Tretiakova practices Clinical Pathology/Laboratory Medicine Physician in Seattle, WA.
Where does Dr. Maria Tretiakova practice?
Dr. Maria Tretiakova practices at 325 9Th Ave, Seattle, WA 981042420. Office phone: 2067443145.
What is Dr. Maria Tretiakova's NPI?
Dr. Maria Tretiakova's National Provider Identifier (NPI) is 1427341791, issued by NPPES.
Does Dr. Maria Tretiakova accept Medicare assignment?
Yes. Dr. Maria Tretiakova accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Tretiakova commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Pathology examination of tissue using a microscope, moderately high complexity (HCPCS 88307). Source: CMS Medicare Physician & Other Practitioners file.