Robert M. McCallum, MD
Specialist · Tucson, AZ
Robert M. McCallum, MD is a specialist with a practice address in Tucson, Arizona, and NPI 1134264427, issued on Feb 21, 2007. Check the license (Arizona 30996, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert M. McCallum
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- 30996 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 3040 N. Swan RD Ste B, Tucson, AZ 85712
- Phone
- (520) 327-3454
- Enumerated
- Feb 21, 2007
- Record last updated
- Feb 15, 2024
- Fax
- (520) 327-3431
- Medicaid ID
- 739683 AZ
- Medicare enrollment
- Enrolled (PECOS I20111031000151); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest specialist records → All 747 in Arizona → Look up another NPI →
Verify Robert M. McCallum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 30996Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% more Medicare Part D claims than the average specialist in 2024
1,690 Medicare Part D claims for 871 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Gavilyte-G259 claims
- Sod Sulf-Potass Sulf-Mag Sulf210 claims
- Omeprazole194 claims
- Famotidine171 claims
- Peg-3350 And Electrolytes138 claims
- Pantoprazole Sodium71 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): 95.6 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).
Industry payments in 2024: $1,782.80
92 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Tucson Gastroenterology Specialists, PCTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert M. McCallum among 747 specialist records in Arizona
Robert M. McCallum, MD is one of 747 specialist records with a practice address in Arizona. 25% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 31% newer
- In a Medicare fileYes · 25% of these records are
- In the CMS Doctors and Clinicians fileYes · 16% of these records are
- Graduated1988 · median 1992 among the 117 with a school on file
- Record last updated2024 · 83% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in Arizona
There are 747 specialist records in Arizona.
All 747 in Arizona → Every provider in Tucson → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Maryanne Belton, PSY.D.Tucson, AZ 857121295131969
- Michael Bush, MDTucson, AZ 857121356387328
- Richard Dickson, MDTucson, AZ 857121942256763
- Kimberly Edwards, OTRLTucson, AZ 857121831140219
- Timothy Gelety, M.D.Tucson, AZ 857121376656694
- Anis Hanna, MDTucson, AZ 857121639136245
- J Herrera, MDTucson, AZ 857121346238151
- Wendy Huempfner, M.D.Tucson, AZ 857121790779940
Common questions
What is Robert M. McCallum, MD's NPI number?
Robert M. McCallum, MD's National Provider Identifier (NPI) is 1134264427, issued on Feb 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robert M. McCallum, MD located?
The NPPES record lists a practice address at 3040 N. Swan RD Ste B, Tucson, AZ, 85712. Phone: (520) 327-3454. Providers update this record themselves, so call before visiting.
How can I verify Robert M. McCallum, MD's license?
NPPES lists Arizona license number 30996, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Robert M. McCallum, MD prescribe under Medicare Part D?
In 2024, Robert M. McCallum, MD had 1,690 Medicare Part D claims for 871 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
What is Robert M. McCallum, MD's MIPS final score?
The 2023 MIPS final score is 95.6 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.