Doctor profile · Federal record
Dr. William Pearse, MD
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Hematology & Oncology Physician · Hematology (Internal Medicine) Physician · Internal Medicine Physician · Portland, OR
- NPI 1225423148
- Accepts Medicare
- 11 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
4805 Ne Glisan St Ste 11N
Portland, OR 972132933
(503) 215-5696 - Additional location
-
200 W Arbor Dr
San Diego, CA 921039000
(800) 926-8273 - Additional location
-
2160 S 1St Ave
Maywood, IL 601533328
(708) 216-5620
Credentials & registration
- NPI registered
- March 2015 — 11 yrs on file
- Profile last updated
- November 4, 2025
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State licenses (3)
- California #173950 · Oregon #MD227390 · Illinois #123456789
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1225423148. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
413
Distinct HCPCS
8
Medicare allowed
$55,018
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 138 | 51 | $150 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 88 | 69 | $103 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 48 | 20 | $125 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 40 | 40 | $190 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 33 | 33 | $140 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 30 | 30 | $137 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 24 | 16 | $83 | |
99497 |
Advance care planning, first 30 minutes | 12 | 12 | $80 |
In context: peer comparison
Among 16 peers in Portland Hematology & Oncology Physician, average services per provider: 512. This provider delivers 0.8× the peer median.Open Payments
Industry payments received
All-time total
$97
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Blueprint Medicines Corporation | 1 | $96.55 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
177
Patients
0
Total drug cost
$630,515
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Acyclovir | Generic | 43 | 0 | $1,259 |
| Eliquis (Apixaban) | Brand | 21 | 0 | $19,211 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 21 | 0 | $198 |
| Entecavir | Generic | 19 | 0 | $11,378 |
| Dexamethasone | Generic | 18 | 0 | $191 |
| Ondansetron Odt (Ondansetron) | Brand | 17 | 0 | $1,082 |
| Calquence (Acalabrutinib Maleate) | Brand | 14 | 0 | $222,664 |
| Besremi (Ropeginterferon Alfa-2B-Njft) | Brand | 13 | 0 | $209,045 |
| Revlimid (Lenalidomide) | Brand | 11 | 0 | $165,488 |
Hospital affiliations
Frequently asked questions
What is Dr. William Pearse's medical specialty?
Dr. William Pearse practices Hematology & Oncology Physician in Portland, OR.
Where does Dr. William Pearse practice?
Dr. William Pearse practices at 4805 Ne Glisan St Ste 11N, Portland, OR 972132933. Office phone: 5032155696.
What is Dr. William Pearse's NPI?
Dr. William Pearse's National Provider Identifier (NPI) is 1225423148, issued by NPPES.
Does Dr. William Pearse accept Medicare assignment?
Yes. Dr. William Pearse accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Pearse commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.