Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. James A. McCartan, DO

Individual provider Internal Medicine Physician · NPI 1851388441

Dr. James A. McCartan, DO is a Hospitalist in Houston, Texas. Qualified in 1993, 33 years ago. Practices with Houston in Patient Physician Associates PLLC, a 27-clinician group, works from 12 locations and accepts Medicare assignment. Licensed in Florida and Texas.

Years since qualifying
33
Licensed in
FL, TX
In the registry since
2005
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

18333 Egret Bay Blvd Ste 140
Houston, TX 77058-3239
Phone: (281) 332-3001
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (11)

  • 18300 Houston Methodist Dr, Houston, TX 77058-6302 — (281) 523-2000
  • 2240 Gulf Fwy S, League City, TX 77573-5143 — (409) 772-1011
  • 4801 E Sam Houston Pkwy S, Pasadena, TX 77505-3955 — (713) 904-9300
  • 2121 Business Center Dr, Pearland, TX 77584-2153 — (346) 907-3000
  • 16605 Southwest Freeway, Sugar Land, TX 77479-0003 — (281) 302-5673
  • 709 W Medical Center Blvd, Webster, TX 77598-4005 — (281) 332-3322
  • 200 Blossom St, Webster, TX 77598-4204 — (832) 632-6500
  • 110 E Medical Center Blvd, Webster, TX 77598-4301 — (832) 224-9500
  • 500 W Medical Center Blvd, Webster, TX 77598-4220 — (281) 332-2511
  • 350 Blossom St, Webster, TX 77598-4206 — (281) 316-7800
  • 655 E Medical Center Blvd, Webster, TX 77598-4328 — (281) 286-1500

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence R8052 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence R8052 (TX)
Hospitalist Physician Taxonomy 208M00000X · Licence OS12133 (FL)

Record details

NPI number1851388441
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedSeptember 29, 2005
Last updated in NPPESOctober 20, 2026
Certification dateOctober 20, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHOSPITALIST
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Group practice Houston In Patient Physician Associates Pllc — 27 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Houston in Patient Physician Associates PLLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 27 clinicians in the practice; 12 are shown here.

Other providers in Houston