Doctor profile · Federal record
Dr. R McCallum, MD
Colon & Rectal Surgery Physician · Surgery Physician · Putnam, CT
- NPI 1124085691
- MIPS 81.7 / 100 · 2023
- 20 yrs on file
- Male
- No sanctions
Practice & contact
- Primary practice
-
346 Pomfret St
Putnam, CT 062601871
(860) 928-2552
fax (820) 928-0317
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- September 11, 2025
- Specialty taxonomy
- 208C00000X — NUCC code
- State license (1)
- Connecticut #041494
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1124085691. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
111
Distinct HCPCS
5
Medicare allowed
$11,682
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99203 |
New patient office or other outpatient visit, 30-44 minutes | 41 | 41 | $120 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 24 | 13 | $52 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 19 | 19 | $159 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 16 | 16 | $96 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 11 | 11 | $87 |
In context: peer comparison
Among 1 peers in Putnam Colon & Rectal Surgery Physician, average services per provider: 22. This provider delivers 5.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
115
Patients
90
Total drug cost
$15,825
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Sutab (Sod Sulf/Pot Chloride/Mag Sulf) | Brand | 91 | 90 | $15,686 |
| Pantoprazole Sodium | Generic | 24 | 0 | $139 |
Frequently asked questions
What is Dr. R McCallum's medical specialty?
Dr. R McCallum practices Colon & Rectal Surgery Physician in Putnam, CT.
Where does Dr. R McCallum practice?
Dr. R McCallum practices at 346 Pomfret St, Putnam, CT 062601871. Office phone: 8609282552.
What is Dr. R McCallum's NPI?
Dr. R McCallum's National Provider Identifier (NPI) is 1124085691, issued by NPPES.
What procedures does Dr. R McCallum commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99203); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.