Doctor profile · Federal record
Dr. William Messer, M.D. PH.D.
Infectious Disease Physician (CMS: Infectious Disease) · Infectious Disease Physician · Portland, OR
- NPI 1508085739
- Accepts Medicare
- MIPS 90.5 / 100 · 2023
- 20 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
3181 Sw Sam Jackson Park RD, L457
Portland, OR 972393011
(503) 494-7735
Credentials & registration
- NPI registered
- April 2007 — 19 yrs on file
- Profile last updated
- November 6, 2012
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 207RI0200X — NUCC code
- State licenses (2)
- Oregon #MD160501 · North Carolina #2010-01245
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1508085739. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
27
Distinct HCPCS
1
Medicare allowed
$2,177
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 27 | 13 | $81 |
In context: peer comparison
Among 28 peers in Portland Infectious Disease Physician, average services per provider: 42. This provider delivers 0.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
12
Patients
0
Total drug cost
$446
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ceftriaxone (Ceftriaxone Sodium) | Brand | 12 | 0 | $446 |
Frequently asked questions
What is Dr. William Messer's medical specialty?
Dr. William Messer practices Infectious Disease Physician in Portland, OR.
Where does Dr. William Messer practice?
Dr. William Messer practices at 3181 Sw Sam Jackson Park RD, Portland, OR 972393011. Office phone: 5034947735.
What is Dr. William Messer's NPI?
Dr. William Messer's National Provider Identifier (NPI) is 1508085739, issued by NPPES.
Does Dr. William Messer accept Medicare assignment?
Yes. Dr. William Messer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Messer commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.