Thomas L. Toth, MD
Internal Medicine Physician · Healdsburg, CA
Thomas L. Toth, MD is an internal medicine physician with a practice address in Healdsburg, California, and NPI 1134203110, issued on Oct 25, 2006. Check the license (California G68775, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thomas L. Toth
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G68775 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1381 University St, Healdsburg, CA 95448
- Phone
- (707) 433-5494
- Enumerated
- Oct 25, 2006
- Record last updated
- Sep 9, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (707) 385-2157
- Medicaid ID
- 00G687750 CA
- Medicare enrollment
- Enrolled (PECOS I20230410000871); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 1987
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1381 University St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Christopher Barker, MDFamily Medicine Physician1619029840
- Barbara Boylan, MDCardiovascular Disease Physician1013091081
Verify Thomas L. Toth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G68775Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,501 Medicare Part D claims for 247 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 60 claims were for opioids.
Most prescribed
- Atorvastatin Calcium86 claims
- Amlodipine Besylate58 claims
- Levothyroxine Sodium50 claims
- Lisinopril47 claims
- Gabapentin45 claims
- Jardiance45 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
- Alliance Medical CenterHealdsburg, CA
- Peninsula Community Health ServicesPort Orchard, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas L. Toth among 17,696 internal medicine physician records in California
Thomas L. Toth, 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
- Graduated1987 · median 2004 among the 11,065 with a school on file
- Record last updated2019 · 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).
13 internal medicine physician records list a practice address in Healdsburg
They are 13 of the 226 NPPES records with a practice address in Healdsburg, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Healdsburg → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jonathan Albeg, MDHealdsburg, CA 954481770677957
- David Anderson, MDHealdsburg, CA 954481629005483
- Jose Chibras Sainz, MDHealdsburg, CA 954481265622286
- Patricia Dahl, M.D.Healdsburg, CA 954481639242696
- Thea Drayer, MDHealdsburg, CA 954481205906021
- Richard Ganz, M.D.Healdsburg, CA 954481285746040
- Sandra GoveHealdsburg, CA 954481801717699
- Jonathan Kaiser, MDHealdsburg, CA 954481467521484
Common questions
What is Thomas L. Toth, MD's NPI number?
Thomas L. Toth, MD's National Provider Identifier (NPI) is 1134203110, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas L. Toth, MD located?
The NPPES record lists a practice address at 1381 University St, Healdsburg, CA, 95448. Phone: (707) 433-5494. Providers update this record themselves, so call before visiting.
How can I verify Thomas L. Toth, MD's license?
NPPES lists California license number G68775, 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 L. Toth, MD prescribe under Medicare Part D?
In 2024, Thomas L. Toth, MD had 1,501 Medicare Part D claims for 247 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.