Doctor profile · Federal record
Dr. Hamilton Caulkins, MD
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Critical Care Medicine (Internal Medicine) Physician · Hillsboro, OR
- NPI 1568951614
- Accepts Medicare
- MIPS 87.0 / 100 · 2023
- 8 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
2875 Ne Stucki Ave
Hillsboro, OR 971245806
(800) 813-2000 - Additional location
-
1959 Ne Pacific St
Seattle, WA 981950001
(919) 523-9581 - Mailing address
-
500 Ne Multnomah St Fl 11
Portland, OR 972322023
Credentials & registration
- NPI registered
- May 2018 — 8 yrs on file
- Profile last updated
- June 12, 2025
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Oregon #MD217752 · Washington #MD61098450
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1568951614. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
32
Distinct HCPCS
2
Medicare allowed
$6,627
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 19 | 18 | $223 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 13 | 13 | $183 |
In context: peer comparison
Among 11 peers in Hillsboro Internal Medicine Physician, average services per provider: 38. This provider delivers 0.8× the peer median.Frequently asked questions
What is Dr. Hamilton Caulkins's medical specialty?
Dr. Hamilton Caulkins practices Internal Medicine Physician in Hillsboro, OR.
Where does Dr. Hamilton Caulkins practice?
Dr. Hamilton Caulkins practices at 2875 Ne Stucki Ave, Hillsboro, OR 971245806. Office phone: 8008132000.
What is Dr. Hamilton Caulkins's NPI?
Dr. Hamilton Caulkins's National Provider Identifier (NPI) is 1568951614, issued by NPPES.
Does Dr. Hamilton Caulkins accept Medicare assignment?
Yes. Dr. Hamilton Caulkins accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hamilton Caulkins commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.