R David McCallum, MD
Colon & Rectal Surgery Physician · Putnam, CT
R David McCallum, MD is a colon & rectal surgery physician with a practice address in Putnam, Connecticut, and NPI 1124085691, issued on Apr 28, 2006. Check the license (Connecticut 041494, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- R David McCallum
- Credential
- MD
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License number
- 041494 CT
Self-reported in NPPES; status is on the state search - Practice location
- 346 Pomfret St, Putnam, CT 06260
- Phone
- (860) 928-2552
- Enumerated
- Apr 28, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (820) 928-0317
- Medicare enrollment
- Enrolled (PECOS I20091008000623); may accept Medicare assignment
- Medical or professional school
- Southern Illinois University School Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest colon & rectal surgery physician records → All 54 in Connecticut → Look up another NPI →
Also registered at 346 Pomfret St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brittany Al-Atrache, DOSurgery Physician1578192332
- Michael Baum, MDColon & Rectal Surgery Physician1811955396
- Jeanne Bedard, APRNObstetrics & Gynecology Nurse Practitioner1083687057
- Ronald Franzino, MDSurgery Physician1104883578
- Andrew Mackenzie, M.D.Maternal & Fetal Medicine Physician1053375915
- Carlos Morales, M.D.Surgery Physician1033437074
Verify R David McCallum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 041494Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average colon & rectal surgery physician in 2024
123 Medicare Part D claims for 118 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D. Brand-name drugs were 80% of claims. 12 claims were for opioids.
Most prescribed
- Sutab96 claims
- Oxycodone-Acetaminophen11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
R David McCallum among 54 colon & rectal surgery physician records in Connecticut
R David McCallum, MD is one of 54 colon & rectal surgery physician records with a practice address in Connecticut. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 54% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated1988 · median 2004 among the 43 with a school on file
- Record last updated2026 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Colon & Rectal Surgery Physician providers in Connecticut
There are 54 colon & rectal surgery physician records in Connecticut.
All 54 in Connecticut → Every provider in Putnam → Colon & Rectal Surgery Physician nationwide →
The 8 colon & rectal surgery physician records with the nearest ZIP codes
- Michael Baum, MDPutnam, CT 062601811955396
- Sergio Casillas-Romero, MD.Norwich, CT 063601417035338
- Kayla Bassett, MDHartford, CT 061061316443120
- Jeffrey Cohen, MDHartford, CT 061061245230200
- Kristina Johnson, MDHartford, CT 061061467445668
- William Sardella, MDHartford, CT 061061437144763
- Kristy Thurston, M.D.Hartford, CT 061061396915153
- Paul Vignati, MDHartford, CT 061061730174350
Common questions
What is R David McCallum, MD's NPI number?
R David McCallum, MD's National Provider Identifier (NPI) is 1124085691, issued on Apr 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is R David McCallum, MD located?
The NPPES record lists a practice address at 346 Pomfret St, Putnam, CT, 06260. Phone: (860) 928-2552. Providers update this record themselves, so call before visiting.
How can I verify R David McCallum, MD's license?
NPPES lists Connecticut license number 041494, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does R David McCallum, MD prescribe under Medicare Part D?
In 2024, R David McCallum, MD had 123 Medicare Part D claims for 118 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. Part D covers Medicare prescriptions only.
What is R David McCallum, MD's MIPS final score?
The 2023 MIPS final score is 84.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.