Doctor profile · Federal record
Dr. William Ryan, M.D.
Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Anatomic Pathology & Clinical Pathology Physician · Anatomic Pathology & Clinical Pathology Physician · Anatomic Pathology & Clinical Pathology Physician · Portland, OR
- NPI 1659694735
- Accepts Medicare
- MIPS 98.9 / 100 · 2023
- 20 yrs in practice
- Licensed in 4 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
9205 Sw Barnes RD, Pathology
Portland, OR 972256603
(503) 216-7525 - Mailing address
-
4400 Ne Halsey St, Bldg. 3
Portland, OR 972131545
Credentials & registration
- NPI registered
- March 2010 — 16 yrs on file
- Profile last updated
- April 17, 2016
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 207ZP0102X — NUCC code
- State licenses (4)
- Oregon #MD.169500 · California #A102681 · Arizona #46100 · Washington #MD.60491105
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1659694735. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,109
Distinct HCPCS
10
Medicare allowed
$36,121
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88341 |
Special stained specimen slides to examine tissue, each additional procedure | 353 | 58 | $29 | |
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 236 | 200 | $38 | |
88112 |
Cell examination of specimen, selective cellular enhancement technique | 198 | 180 | $28 | |
88342 |
Special stained specimen slides to examine tissue, initial procedure | 90 | 67 | $35 | |
88304 |
Pathology examination of tissue using a microscope, moderately low complexity | 57 | 49 | $11 | |
88360 |
Microscopic genetic analysis of tumor, manual | 52 | 21 | $42 | |
88307 |
Pathology examination of tissue using a microscope, moderately high complexity | 41 | 22 | $84 | |
88311 |
Preparation of tissue for examination by removing any calcium present | 25 | 21 | $13 | |
88108 |
Cell examination of specimen, concentration technique | 17 | 15 | $23 | |
88141 |
Pap test | 16 | 16 | $24 |
In context: peer comparison
Among 30 peers in this city , average services per provider: 95. This provider delivers 12× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. William Ryan's medical specialty?
Dr. William Ryan practices Anatomic Pathology & Clinical Pathology Physician in Portland, OR.
Where does Dr. William Ryan practice?
Dr. William Ryan practices at 9205 Sw Barnes RD, Portland, OR 972256603. Office phone: 5032167525.
What is Dr. William Ryan's NPI?
Dr. William Ryan's National Provider Identifier (NPI) is 1659694735, issued by NPPES.
Does Dr. William Ryan accept Medicare assignment?
Yes. Dr. William Ryan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Ryan commonly perform?
Top Medicare-reported procedures in 2023: Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Cell examination of specimen, selective cellular enhancement technique (HCPCS 88112). Source: CMS Medicare Physician & Other Practitioners file.