Doctor profile · Federal record
Dr. Michael Walczyk, MD
Nephrology Physician · Nephrology Physician · Nephrology Physician · Portland, OR
- NPI 1871562892
- 20 yrs on file
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
1130 Nw 22Nd Ave Ste 400
Portland, OR 972102971
(503) 413-6722
fax (503) 413-6563 - Additional location
-
1130 Nw 22Nd Ave Ste 640
Portland, OR 972102993
(503) 229-7976
fax (503) 274-4867 - Additional location
-
75 Puuhonu Pl Ste 100
Hilo, HI 967202000
(808) 935-8647
fax (808) 935-9783 - Mailing address
-
Po Box 4037
Portland, OR 972084037
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- January 14, 2020
- Specialty taxonomy
- 207RN0300X — NUCC code
- State licenses (3)
- Oregon #13217 · Washington #23874 · Hawaii #MD19676
- Medicaid (2)
- OR #147116 · WA #1029586
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1871562892. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
23
Distinct HCPCS
1
Medicare allowed
$2,223
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 23 | 16 | $97 |
In context: peer comparison
Among 24 peers in Portland Nephrology Physician, average services per provider: 83. This provider delivers 0.3× the peer median.Frequently asked questions
What is Dr. Michael Walczyk's medical specialty?
Dr. Michael Walczyk practices Nephrology Physician in Portland, OR.
Where does Dr. Michael Walczyk practice?
Dr. Michael Walczyk practices at 1130 Nw 22Nd Ave Ste 400, Portland, OR 972102971. Office phone: 5034136722.
What is Dr. Michael Walczyk's NPI?
Dr. Michael Walczyk's National Provider Identifier (NPI) is 1871562892, issued by NPPES.
What procedures does Dr. Michael Walczyk commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.