Doctor profile · Federal record
Dr. Chase Papenfuss, MD
Internal Medicine Physician (CMS: Internal Medicine) · Portland, OR
- NPI 1104389295
- Accepts Medicare
- MIPS 85.3 / 100 · 2023
- 7 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1015 Nw 22Nd Ave
Portland, OR 972103025
(503) 413-7036
fax (503) 413-7361 - Mailing address
-
12313 Se Wagner St
Happy Valley, OR 970866450
Credentials & registration
- NPI registered
- April 2019 — 7 yrs on file
- Profile last updated
- October 2, 2025
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Oregon #MD209728
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104389295. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
333
Distinct HCPCS
4
Medicare allowed
$38,573
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 186 | 65 | $119 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 66 | 28 | $79 | |
99239 |
Hospital discharge day management, more than 30 minutes | 48 | 48 | $115 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 33 | 32 | $172 |
In context: peer comparison
Among 209 peers in Portland Internal Medicine Physician, average services per provider: 60. This provider delivers 5.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
165
Patients
0
Total drug cost
$4,861
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metformin Hcl | Generic | 21 | 0 | $300 |
| Doxycycline Hyclate | Generic | 19 | 0 | $928 |
| Atorvastatin Calcium | Generic | 18 | 0 | $313 |
| Mirtazapine | Generic | 15 | 0 | $684 |
| Spironolactone | Generic | 15 | 0 | $96 |
| Amlodipine Besylate | Generic | 14 | 0 | $206 |
| Lisinopril | Generic | 14 | 0 | $204 |
| Tamsulosin Hcl | Generic | 14 | 0 | $286 |
| Cinacalcet Hcl | Generic | 12 | 0 | $1,428 |
| Olanzapine | Generic | 12 | 0 | $349 |
Hospital affiliations
Frequently asked questions
What is Dr. Chase Papenfuss's medical specialty?
Dr. Chase Papenfuss practices Internal Medicine Physician in Portland, OR.
Where does Dr. Chase Papenfuss practice?
Dr. Chase Papenfuss practices at 1015 Nw 22Nd Ave, Portland, OR 972103025. Office phone: 5034137036.
What is Dr. Chase Papenfuss's NPI?
Dr. Chase Papenfuss's National Provider Identifier (NPI) is 1104389295, issued by NPPES.
Does Dr. Chase Papenfuss accept Medicare assignment?
Yes. Dr. Chase Papenfuss accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chase Papenfuss commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.