James Grant Loomis, M.D.
Psychiatry Physician · Richmond, TX
James Grant Loomis, M.D. is a psychiatry physician with a practice address in Richmond, Texas, and NPI 1982267787, issued on Apr 17, 2019. Check the license (Texas T0843, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- James Grant Loomis
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- T0843 TX
Self-reported in NPPES; status is on the state search - Practice location
- 400 Austin St, Richmond, TX 77469
- Phone
- (281) 342-4530
- Enumerated
- Apr 17, 2019
- Record last updated
- Jun 30, 2023
- Medicare enrollment
- Enrolled (PECOS I20240828001320); may accept Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 2019
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 3,318 in Texas → Look up another NPI →
Also registered at 400 Austin St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ivelisse Colon Cruz, LCSW, LCDCClinical Social Worker1215440441
- Orfelinda CoronadoClinical Social Worker1508215476
Verify James Grant Loomis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license T0843Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average psychiatry physician in 2024
236 Medicare Part D claims for 33 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Trazodone Hcl30 claims
- Quetiapine Fumarate27 claims
- Clozapine22 claims
- Hydroxyzine Hcl20 claims
- Escitalopram Oxalate13 claims
- Prazosin Hcl12 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 2 group practices
- Clatsop Behavioral HealthcareAstoria, OR
- Fort Bend Family Health Center IncRichmond, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Grant Loomis among 3,318 psychiatry physician records in Texas
James Grant Loomis, M.D. is one of 3,318 psychiatry physician records with a practice address in Texas. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 82% of them.
- NPI issued2019 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated2019 · median 2006 among the 1,481 with a school on file
- Record last updated2023 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Texas
There are 3,318 psychiatry physician records in Texas.
All 3,318 in Texas → Every provider in Richmond → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Olumuyiwa Abdul, MDRichmond, TX 774691285898940
- Roger Joe, MD, MBARichmond, TX 774691578755070
- Melvin Mathew, M.D.Richmond, TX 774691841618451
- Zahur Mohiuddin, MDRichmond, TX 774691932277100
- Hemant Patel, M.D.Richmond, TX 774691174675474
- Ruth Evans, M.D.Rosenberg, TX 774711225182009
- Modupe James, MDRosenberg, TX 774711801332853
- Daryl Knox, MDRosenberg, TX 774711467561415
Common questions
What is James Grant Loomis, M.D.'s NPI number?
James Grant Loomis, M.D.'s National Provider Identifier (NPI) is 1982267787, issued on Apr 17, 2019. An NPI identifies a provider in billing; it is not a license.
Where is James Grant Loomis, M.D. located?
The NPPES record lists a practice address at 400 Austin St, Richmond, TX, 77469. Phone: (281) 342-4530. Providers update this record themselves, so call before visiting.
How can I verify James Grant Loomis, M.D.'s license?
NPPES lists Texas license number T0843, 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 Grant Loomis, M.D. prescribe under Medicare Part D?
In 2024, James Grant Loomis, M.D. had 236 Medicare Part D claims for 33 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.