James A. McCartan, D.O.
Hospitalist Physician · Sugar Land, TX
James A. McCartan, D.O. is a hospitalist physician with a practice address in Sugar Land, Texas, and NPI 1851388441, issued on Sep 29, 2005. Check the license (Texas R8052, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- James A. McCartan
- Credential
- D.O.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- R8052 TX
OS12133 FL
Self-reported in NPPES; status is on the state search - Practice location
- 16605 Southwest Freeway, Sugar Land, TX 77479
- Phone
- (281) 302-5673
- Enumerated
- Sep 29, 2005
- Record last updated
- Feb 8, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (713) 429-5207
- Medicare enrollment
- Enrolled (PECOS I20240408000716); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,587 in Texas → Look up another NPI →
Also registered at 16605 Southwest Freeway
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James A. McCartan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license R8052Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average hospitalist physician in 2024
447 Medicare Part D claims for 206 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone29 claims
- Pantoprazole Sodium23 claims
- Furosemide17 claims
- Metoprolol Tartrate16 claims
- Carvedilol15 claims
- Hydralazine Hcl14 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.
Bills Medicare through one group practice
- Houston IN Patient Physician Associates PLLCSugar Land, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James A. McCartan among 1,587 hospitalist physician records in Texas
James A. McCartan, D.O. is one of 1,587 hospitalist physician records with a practice address in Texas. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 98% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated1993 · median 2013 among the 1,298 with a school on file
- Record last updated2019 · 25% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
66 hospitalist physician records list a practice address in Sugar Land
They are 66 of the 3,851 NPPES records with a practice address in Sugar Land, and 1,587 hospitalist physician records in Texas.
All 1,587 in Texas → Every provider in Sugar Land → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Kapil Dave, M.D.Sugar Land, TX 774791063677441
- Daryl Dichoso, MDSugar Land, TX 774791679736078
- Subha Rajitha Dommaraju, MDSugar Land, TX 774791154577393
- Shormi Durani, MDSugar Land, TX 774791427272681
- Jane George, M.D.Sugar Land, TX 774791922329952
- Saima Haque, MDSugar Land, TX 774791487671103
- Shiney Koshy, D.O.Sugar Land, TX 774791881983054
- Asma Lakhva, M.D.Sugar Land, TX 774791215258728
Common questions
What is James A. McCartan, D.O.'s NPI number?
James A. McCartan, D.O.'s National Provider Identifier (NPI) is 1851388441, issued on Sep 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is James A. McCartan, D.O. located?
The NPPES record lists a practice address at 16605 Southwest Freeway, Sugar Land, TX, 77479. Phone: (281) 302-5673. Providers update this record themselves, so call before visiting.
How can I verify James A. McCartan, D.O.'s license?
NPPES lists Texas license number R8052, 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 James A. McCartan, D.O. prescribe under Medicare Part D?
In 2024, James A. McCartan, D.O. had 447 Medicare Part D claims for 206 beneficiaries; the average among hospitalist physician prescribers was 521. 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.