Dr. Carlos McClellan Kier, MD
- Medicare services, 2023
- 541
- Part D claims, 2024
- 309
- Industry payments
- $2,361
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 809 W Randol Mill Rd, Arlington, TX 76012-2507
- Practice phone
- Call (817) 460-0257
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Usmd Physician Services
Primary care practice · Arlington, Texas
Find Dr. Kier'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. Carlos McClellan Kier is a rheumatologist in Arlington, Texas
Dr. Kier practices at Usmd Physician Services in Arlington, Texas.
Dr. Kier's NPI, 1093766701, was assigned on May 15, 2006. Dr. Kier graduated from UTMB Health in 1970. Dr. Kier holds Texas license D-7119.
- NPI
- 1093766701NPI Registry (opens in a new tab)
- NPI enumeration date
- May 15, 2006
- NPI status
- Active
- Practice phone
- (817) 460-0257
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 82
- Medical school graduation
- 1970
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Carlos McClellan Kier practices at Usmd Physician Services in Arlington, Texas
Dr. Kier's primary practice is Usmd Physician Services, at 809 W Randol Mill Rd, Arlington, TX 76012-2507. The practice phone is (817) 460-0257.
- Usmd Physician Services809 W Randol Mill Rd, Arlington, TX 76012-2507Phone(817) 460-0257
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Carlos McClellan Kier is affiliated with 1 site of care and 1 medical group
Dr. Kier's primary practice is Usmd Physician Services in Arlington, Texas. The medical group on file is USMD Arlington South Clinic.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Carlos McClellan Kier's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kier practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Usmd Physician Services | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Carlos McClellan Kier is one of 476 rheumatologists in Texas
Rheumatology is Dr. Kier's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Kier is board certified in internal medicine by the American Board of Internal Medicine. Dr. Kier is licensed in Texas.
Specialties and state licenses
- Rheumatology, TexasPrimary
Clinical focus
Dmand AI lists arteritis, arthritis, gout, joint arthropathy, lupus, muscle pain, fibromyalgia, and limb pain and rheumatoid arthritis among the conditions Dr. Kier treats.
Rheumatologists near Dr. Kier
Counts of rheumatologists 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. Carlos McClellan Kier billed Medicare for 541 services in 2023
CMS data shows 541 Medicare services from Dr. Kier across 6 procedure codes in 2023. Medicare paid $13,082 for them. Every service was in an office.
Dr. Kier's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Lab and pathology
- 2022: 4272023: 25341%
- Office and hospital visits
- 2022: 2742023: 19031%
- Surgery
- 2022: 1362023: 9828%
Dr. Kier compared with the Texas median for rheumatologists, 2023
- Dr. Kier
- Texas median
- Medicare services
- 541vs 1,33159% below
- Part D claims
- 235vs 1,13879% below
Medians across 451 rheumatologists in Texas with Dmand AI profiles that report each measure.
Dr. Kier's most billed Medicare procedure codes, 2023
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. Kier?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kier and other rheumatologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Carlos McClellan Kier's patients have a median age of 66
Across all payers, Dmand AI patient panel data puts Dr. Kier's median patient age at 66, with 76% women.
Dr. Kier's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women76%
- Men23%
Source: Dmand AI Patient Panel Data
Dr. Carlos McClellan Kier wrote 309 Medicare Part D claims in 2024
In 2024, Dr. Kier wrote 309 Medicare Part D claims for 110 patients. 88% of them were for generic drugs. CMS names the drug for 235 of them, across 4 drugs with 11 or more claims each, at $5,327 in total drug cost. In 2023, CMS named 1,952 claims across 28 drugs.
Dr. Kier's Part D claims by kind of drug, 2024
- Generic272 claims88%
- Brand-name37 claims12%
Dr. Kier'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,9522024: 23588%
Drugs named by CMS: 4 in 2024, 28 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
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Dr. Carlos McClellan Kier received $2,361 in industry payments from 2016 to 2023
CMS Open Payments shows 113 general payments to Dr. Kier from 16 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 96% of the total. Abbvie Inc. paid the most, $761.
General payments to Dr. Kier by program year, 2016 to 2023
General payments to Dr. Kier by kind, 2016 to 2023
- Food and beverage$2,27296%
- Education$894%
Companies that paid Dr. Kier the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Carlos McClellan Kier graduated from UTMB Health
Dr. Kier graduated from UTMB Health in 1970.
- Medical school
- Board certified in internal medicine
- Board certified in rheumatology
Source: Dmand AI Professional Profile Data
Dr. Carlos McClellan Kier accepts plans from 16 insurance carriers
Dr. Kier is in network with 16 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Cigna
- HCSC
- Aetna
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- +8 more carriersWith a free account
Plan types Dr. Kier accepts, by number of carriers
- HMO10
- PPO10
- Medicare6
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Carlos McClellan Kier'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 | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| 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. Carlos McClellan Kier
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. Carlos McClellan Kier's NPI number?
Dr. Carlos McClellan Kier's NPI number is 1093766701. It was assigned on May 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Carlos McClellan Kier?
Dr. Carlos McClellan Kier is a rheumatologist in Arlington, Texas. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Carlos McClellan Kier practice?
Dr. Kier practices at 809 W Randol Mill Rd, Arlington, TX 76012-2507. Dr. Kier's primary practice is Usmd Physician Services in Arlington, Texas.
What is Dr. Carlos McClellan Kier's office phone number?
The practice phone on file for Dr. Kier is (817) 460-0257.
What is Dr. Carlos McClellan Kier's medical license number?
Dr. Kier holds Texas license D-7119.
What medical group is Dr. Carlos McClellan Kier part of?
Dr. Kier is linked to USMD Arlington South Clinic.
Does Dr. Carlos McClellan Kier accept Medicare?
Yes. CMS data shows Dr. Kier billed Medicare for 541 services in 2023.
Is Dr. Carlos McClellan Kier board certified?
Yes. Dr. Kier is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Carlos McClellan Kier bill to Medicare?
In 2023, Dr. Kier's most billed Medicare services were office visit, established patient (99213), lab and pathology test (80053) and surgery: heart and blood vessels (36415).
Where did Dr. Carlos McClellan Kier go to medical school?
Dr. Kier graduated from UTMB Health in 1970.
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What drugs does Dr. Carlos McClellan Kier prescribe most?
In 2024 Medicare Part D data, Dr. Kier's most prescribed drugs by claims were Methotrexate, Prednisone and Hydroxychloroquine Sulfate.
Has Dr. Carlos McClellan Kier received payments from drug or device companies?
CMS Open Payments shows $2,361 in general payments to Dr. Kier from 16 companies from 2016 to 2023. The largest total came from Abbvie Inc.
How long has Dr. Carlos McClellan Kier been practicing?
Dr. Kier graduated from medical school in 1970, 56 years ago.
What insurance does Dr. Carlos McClellan Kier accept?
Dr. Kier is in network with 16 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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