Carlos McClellan Kier, M.D.
Rheumatology Physician · Arlington, TX
Carlos McClellan Kier, M.D. is a rheumatology physician with a practice address in Arlington, Texas, and NPI 1093766701, issued on May 15, 2006. Check the license (Texas D-7119, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Carlos McClellan Kier
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- D-7119 TX
Self-reported in NPPES; status is on the state search - Practice location
- 809 W Randol Mill RD, Arlington, TX 76012
- Phone
- (817) 274-0096
- Enumerated
- May 15, 2006
- Record last updated
- Oct 31, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (817) 274-3254
- Medicaid IDs
- 122716710 TX
122716711 TX
122716704 TX - Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 545 in Texas → Look up another NPI →
Also registered at 809 W Randol Mill RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Carlos McClellan Kier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license D-7119Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average rheumatology physician in 2024
309 Medicare Part D claims for 110 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Methotrexate85 claims
- Prednisone69 claims
- Hydroxychloroquine Sulfate59 claims
- Folic Acid22 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.
Carlos McClellan Kier among 545 rheumatology physician records in Texas
Carlos McClellan Kier, M.D. is one of 545 rheumatology physician records with a practice address in Texas. 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 10% of them.
- NPI issued2006 · 10% of these records are older, 58% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 77% of these records are
- Record last updated2019 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Texas
There are 545 rheumatology physician records in Texas.
All 545 in Texas → Every provider in Arlington → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Kathryn Hester, M.D.Arlington, TX 760121336350040
- Thuan Vu, MDBedford, TX 760211366407918
- Khiem Vu, MDBedford, TX 760211164926077
- Rosy Rajbhandary, MDBurleson, TX 760281154641587
- Dhiman Basu, MDColleyville, TX 760341336266964
- Sonia Bajaj, MDCrowley, TX 760361255327789
- Uzma Syeda, MDGrapevine, TX 760511174562565
- Rogelio Garcia-Cavazos, M.D.Nacogdoches, TX 759651275579336
Common questions
What is Carlos McClellan Kier, M.D.'s NPI number?
Carlos McClellan Kier, M.D.'s National Provider Identifier (NPI) is 1093766701, issued on May 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Carlos McClellan Kier, M.D. located?
The NPPES record lists a practice address at 809 W Randol Mill RD, Arlington, TX, 76012. Phone: (817) 274-0096. Providers update this record themselves, so call before visiting.
How can I verify Carlos McClellan Kier, M.D.'s license?
NPPES lists Texas license number D-7119, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Carlos McClellan Kier, M.D. prescribe under Medicare Part D?
In 2024, Carlos McClellan Kier, M.D. had 309 Medicare Part D claims for 110 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
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.