Thomas Brooks Miller, MD
Internal Medicine Physician · Walnut Creek, CA
Thomas Brooks Miller, MD is an internal medicine physician with a practice address in Walnut Creek, California, and NPI 1750315560, issued on Jul 10, 2006. Check the license (California G49961, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thomas Brooks Miller
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G49961 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1450 Treat Blvd, Walnut Creek, CA 94597
- Phone
- (925) 296-9000
- Enumerated
- Jul 10, 2006
- Record last updated
- Jul 13, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (925) 296-9071
- Medicaid ID
- 00G499610 CA
- Medicare enrollment
- Enrolled (PECOS I20041209000492); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 1981
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1450 Treat Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Deborah Arce, M.D.Internal Medicine Physician1841215605
- Cynthia AshbrookAllergy & Immunology Physician1386786408
- Chanda Banwat, M.D.Internal Medicine Physician1750584389
Verify Thomas Brooks Miller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G49961Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average internal medicine physician in 2024
411 Medicare Part D claims for 317 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Diclofenac Sodium35 claims
- Nitrofurantoin Mono-Macro33 claims
- Albuterol Sulfate Hfa22 claims
- Amoxicillin-Clavulanate Potass22 claims
- Azithromycin22 claims
- Cephalexin22 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- John Muir Physician NetworkWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Brooks Miller among 17,696 internal medicine physician records in California
Thomas Brooks Miller, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1981 · median 2004 among the 11,065 with a school on file
- Record last updated2015 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
183 internal medicine physician records list a practice address in Walnut Creek
They are 183 of the 6,170 NPPES records with a practice address in Walnut Creek, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Walnut Creek → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Deborah Arce, M.D.Walnut Creek, CA 945971841215605
- Devorah Ben-Zeev, M.D.Walnut Creek, CA 945971033160692
- Natalie Chang, M.D.Walnut Creek, CA 945971548370786
- Paul Endo, M.D.Walnut Creek, CA 945971568402014
- Poornima Goyal, M.D.Walnut Creek, CA 945971912933706
- Elise Hughes-Watkins, M.D.Walnut Creek, CA 945971578509741
- Robert Noriega, M.D.Walnut Creek, CA 945971922043249
- Sarah Rahman, M.D.Walnut Creek, CA 945971326068222
Common questions
What is Thomas Brooks Miller, MD's NPI number?
Thomas Brooks Miller, MD's National Provider Identifier (NPI) is 1750315560, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Brooks Miller, MD located?
The NPPES record lists a practice address at 1450 Treat Blvd, Walnut Creek, CA, 94597. Phone: (925) 296-9000. Providers update this record themselves, so call before visiting.
How can I verify Thomas Brooks Miller, MD's license?
NPPES lists California license number G49961, 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 Brooks Miller, MD prescribe under Medicare Part D?
In 2024, Thomas Brooks Miller, MD had 411 Medicare Part D claims for 317 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Thomas Brooks Miller, MD's MIPS final score?
The 2023 MIPS final score is 85.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.