Physician Profile
R D. McCallum, MD
Unclaimed ProfileAbout Dr. Mccallum
R D. McCallum, MD is a healthcare provider in Putnam, CT specializing in colon & rectal surgery. R trained at Southern Illinois University School of Medicine, graduating in 1988. R is also listed as specializing in surgery. Medicare claims data shows R provided 49 services to 49 patients. The services billed most often include new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (860) 928-2552
- Email not available
Practice Locations
346 POMFRET ST
Putnam, CT 06260
Procedures Most Often Billed to Medicare
49 services · 49 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
31 | As often as other peers in Colon & Rectal Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
18 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other colorectal surgeons at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 16 related providers in 2 groups
Trained at Southern Illinois University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1988 at Southern Illinois University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. McCallum specialize in?
Dr. McCallum is a colorectal surgeon in Putnam, CT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Colon & Rectal Surgery”.
NPI registry
Where is Dr. McCallum located?
Dr. McCallum is listed at 346 Pomfret St, Putnam, CT 06260. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. McCallum's phone number?
The number on file is (860) 928-2552. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. McCallum?
Dr. McCallum's National Provider Identifier is 1124085691. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. McCallum go to medical school?
Dr. McCallum attended Southern Illinois University School of Medicine, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. McCallum have?
Dr. McCallum has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
What does Dr. McCallum do most often?
According to Medicare billing data, Dr. McCallum the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. McCallum's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. McCallum. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.