Doctor profile · Federal record
Dr. Calvin Selwyn, MD
Surgery Physician (CMS: General Surgery) · Surgery Physician · Wailuku, HI
- NPI 1750359725
- Accepts Medicare
- MIPS 87.0 / 100 · 2023
- 29 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2180 Main St
Wailuku, HI 967931625
(808) 242-6464
fax (808) 242-4233
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- August 21, 2019
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 208600000X — NUCC code
- State licenses (2)
- Hawaii #MD-20302 · South Carolina #39200
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1750359725. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
93
Distinct HCPCS
6
Medicare allowed
$11,477
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 19 | 19 | $133 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 17 | 17 | $111 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 16 | 16 | $60 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 16 | 16 | $166 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 14 | 14 | $172 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 11 | 11 | $94 |
In context: peer comparison
Among 2 peers in Wailuku Surgery Physician, average services per provider: 38. This provider delivers 2.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
161
Patients
149
Total drug cost
$2,743
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 130 | 124 | $2,525 |
| Omeprazole | Generic | 16 | 11 | $127 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 15 | 14 | $90 |
Frequently asked questions
What is Dr. Calvin Selwyn's medical specialty?
Dr. Calvin Selwyn practices Surgery Physician in Wailuku, HI.
Where does Dr. Calvin Selwyn practice?
Dr. Calvin Selwyn practices at 2180 Main St, Wailuku, HI 967931625. Office phone: 8082426464.
What is Dr. Calvin Selwyn's NPI?
Dr. Calvin Selwyn's National Provider Identifier (NPI) is 1750359725, issued by NPPES.
Does Dr. Calvin Selwyn accept Medicare assignment?
Yes. Dr. Calvin Selwyn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Calvin Selwyn commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99203); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.