Dr. Callum Graham McCormick, DO, MS
- Medicare services, 2024
- 423
- Medicare patients, 2024
- 133
- Part D claims, 2024
- 5,435
- Hospital affiliations
- 1
- Industry payments
- $400
- Practice address
- 6750 N Macarthur Blvd, Irving, TX 75039
- Practice phone
- Call (972) 258-7499
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Usmd Physician Services
Irving, Texas
Find Dr. McCormick's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Callum Graham McCormick is an internist in Irving, Texas
Dr. McCormick practices at Usmd Physician Services in Irving, Texas.
Dr. McCormick's NPI, 1831551589, was assigned on March 22, 2016. Dr. McCormick holds Texas license S2413.
- NPI
- 1831551589NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739418831
- NPI enumeration date
- March 22, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (972) 258-7499
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Callum Graham McCormick practices at Usmd Physician Services in Irving, Texas
Dr. McCormick's primary practice is Usmd Physician Services, at 6750 N Macarthur Blvd, Irving, TX 75039 in Dallas County. The practice phone is (972) 258-7499.
- Usmd Physician Services6750 N Macarthur Blvd, Irving, TX 75039 · Dallas CountyPhone(972) 258-7499
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Callum Graham McCormick is affiliated with 4 sites of care and 3 medical groups
Dr. McCormick's primary practice is Usmd Physician Services in Irving, Texas. Dr. McCormick is also affiliated with Baylor Scott & White Medical Center - Irving. The medical group on file is USMD Arlington South Clinic. Dmand AI also links Dr. McCormick to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Callum Graham McCormick's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McCormick practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Usmd Physician Services | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Callum Graham McCormick is one of 8,437 internists in Texas
Internal medicine is Dr. McCormick's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. McCormick is licensed in Texas.
Specialties and state licenses
- Internal medicine, TexasPrimary
Internists near Dr. McCormick
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Callum Graham McCormick billed Medicare for 423 services in 2024
CMS data shows 423 Medicare services from Dr. McCormick across 10 procedure codes in 2024, for 133 Medicare patients. Medicare paid $25,100 for them. Every service was in an office.
Dr. McCormick's Medicare services by type, 2021 to 2024
- 2021
- 2024
- Office and hospital visits
- 2021: 1762024: 24338%
- Lab and pathology
- 2021: 02024: 77
- Other services
- 2021: 02024: 74
- Tests and treatments
- 2021: 02024: 29
Dr. McCormick compared with the Texas median for internists, 2024
- Dr. McCormick
- Texas median
- Medicare services
- 423vs 53922% below
- Medicare patients
- 133vs 19030% below
- Part D claims
- 4,741vs 28916.4 times
Medians across 7,794 internists in Texas with Dmand AI profiles that report each measure.
Dr. McCormick's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. McCormick?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. McCormick and other internists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Callum Graham McCormick treated 133 Medicare patients in 2024, average age 72
CMS counts 133 Medicare patients who saw Dr. McCormick in 2024. The largest group is 65 to 74, with 81 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. McCormick's median patient age at 68, with 42% women.
Dr. McCormick's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. McCormick's Medicare patients by sex, 2024
- Women5743%
- Men7657%
Chronic conditions among Dr. McCormick's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Diabetes31%
- Ischemic heart disease23%
- Anxiety22%
- Chronic kidney disease20%
- Mood disorders18%
Share of Medicare patients with each condition. A patient can have several.
Dr. McCormick's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women42%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Callum Graham McCormick wrote 5,435 Medicare Part D claims in 2024
In 2024, Dr. McCormick wrote 5,435 Medicare Part D claims for 661 patients. 87% of them were for generic drugs. CMS names the drug for 4,741 of them, across 100 drugs with 11 or more claims each, at $376,275 in total drug cost. In 2023, CMS named 6,068 claims across 94 drugs.
Dr. McCormick's Part D claims by kind of drug, 2024
- Generic4,711 claims87%
- Brand-name682 claims13%
- Other42 claims1%
Dr. McCormick's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. McCormick's Part D claims, 2024
- Antibiotics2%99 of 5,435 claims
- Antipsychotics, patients 65 and over0%17 of 5,435 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6,0682024: 4,74122%
Drugs named by CMS: 100 in 2024, 94 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Callum Graham McCormick offers telehealth to Medicare patients
Dr. McCormick accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. McCormick as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Callum Graham McCormick received $400 in industry payments from 2019 to 2025
CMS Open Payments shows 24 general payments to Dr. McCormick from 13 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $53.
General payments to Dr. McCormick by program year, 2019 to 2025
Companies that paid Dr. McCormick the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Callum Graham McCormick's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Callum Graham McCormick
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Callum Graham McCormick's NPI number?
Dr. Callum Graham McCormick's NPI number is 1831551589. It was assigned on March 22, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Callum Graham McCormick?
Dr. Callum Graham McCormick is an internist in Irving, Texas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Callum Graham McCormick practice?
Dr. McCormick practices at 6750 N Macarthur Blvd, Irving, TX 75039. Dr. McCormick's primary practice is Usmd Physician Services in Irving, Texas. Dmand AI also links Dr. McCormick to 2 group practices and clinics and 2 medical groups.
What is Dr. Callum Graham McCormick's office phone number?
The practice phone on file for Dr. McCormick is (972) 258-7499.
What is Dr. Callum Graham McCormick's medical license number?
Dr. McCormick holds Texas license S2413.
Which hospitals is Dr. Callum Graham McCormick affiliated with?
Dr. McCormick is affiliated with Baylor Scott & White Medical Center - Irving.
What medical group is Dr. Callum Graham McCormick part of?
Dr. McCormick is linked to USMD Arlington South Clinic. Dmand AI links Dr. McCormick to 2 more medical groups.
Does Dr. Callum Graham McCormick accept Medicare?
Yes. CMS data shows Dr. McCormick billed Medicare for 423 services in 2024, and Dr. McCormick accepts Medicare assignment.
Does Dr. Callum Graham McCormick offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. McCormick as offering telehealth services.
How many Medicare patients does Dr. Callum Graham McCormick see?
CMS counts 133 Medicare patients who saw Dr. McCormick in 2024, with an average age of 72.
Show 4 more questionsShow fewer questions
What services does Dr. Callum Graham McCormick bill to Medicare?
In 2024, Dr. McCormick's most billed Medicare services were office visit, established patient (99214), heart test or procedure (93000) and medicare service (G0439).
What drugs does Dr. Callum Graham McCormick prescribe most?
In 2024 Medicare Part D data, Dr. McCormick's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Fluticasone Propionate.
Has Dr. Callum Graham McCormick received payments from drug or device companies?
CMS Open Payments shows $400 in general payments to Dr. McCormick from 13 companies from 2019 to 2025. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Callum Graham McCormick been practicing?
Dr. McCormick graduated from medical school in 2016, 10 years ago.
Selling to internal medicine practices?
See internists in Texas by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card