NPPES file of Aug 9, 2026

Thomas G. Morales, M.D.

Gastroenterology Physician · Santa Rosa, CA

Thomas G. Morales, M.D. is a gastroenterology physician with a practice address in Santa Rosa, California, and NPI 1831127885, issued on Jun 29, 2006. Check the license (California G136134, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831127885
Name
Thomas G. Morales
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
G136134 CA
36993 CO
Self-reported in NPPES; status is on the state search
Practice location
500 Doyle Park Dr, Santa Rosa, CA 95405
Phone
(707) 303-8360
Enumerated
Jun 29, 2006
Record last updated
Aug 9, 2023
Fax
(707) 303-8361
Medicaid ID
09872388 CO
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 500 Doyle Park Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nicholas Anton, MDInternal Medicine Physician1659364933
  2. Razi Arifuddin, MDGastroenterology Physician1124085410
  3. Chad Barylski, NP-C, RN, DC, DACBSPNurse Practitioner1932358553
  4. Joshua Beirne, M.D.Gastroenterology Physician1841216041
  5. George Bisbee, MDInternal Medicine Physician1235122516
  6. Deborah Britt, M.D.Pediatrics Physician1316959307

Verify Thomas G. Morales in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G136134
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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90% fewer Medicare Part D claims than the average gastroenterology physician in 2024

80 Medicare Part D claims for 77 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Thomas Morales80
  2. Specialty average811

Most prescribed

  1. Gavilyte-C75 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.

Thomas G. Morales among 2,140 gastroenterology physician records in California

Thomas G. Morales, M.D. is one of 2,140 gastroenterology physician records with a practice address in California. 83% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 48% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 72% of these records are
  • Record last updated2023 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in California

There are 2,140 gastroenterology physician records in California.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Razi Arifuddin, MDSanta Rosa, CA 954051124085410
  2. Richard Auld, MDSanta Rosa, CA 954051144284290
  3. Joshua Beirne, M.D.Santa Rosa, CA 954051841216041
  4. Robert Faust, M.D.Santa Rosa, CA 954051891766861
  5. Frances Lu, MDSanta Rosa, CA 954051942445374
  6. Alexander Lustberg, M.D.Santa Rosa, CA 954051225009301
  7. Jay Gospe, M.D.Santa Rosa, CA 954041770853806
  8. Paul Kefalides, M.D.Santa Rosa, CA 954041790883080

Common questions

What is Thomas G. Morales, M.D.'s NPI number?

Thomas G. Morales, M.D.'s National Provider Identifier (NPI) is 1831127885, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas G. Morales, M.D. located?

The NPPES record lists a practice address at 500 Doyle Park Dr, Santa Rosa, CA, 95405. Phone: (707) 303-8360. Providers update this record themselves, so call before visiting.

How can I verify Thomas G. Morales, M.D.'s license?

NPPES lists California license number G136134, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Thomas G. Morales, M.D. prescribe under Medicare Part D?

In 2024, Thomas G. Morales, M.D. had 80 Medicare Part D claims for 77 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.