Michael Marsh, M.D.
Internal Medicine Physician · Toluca Lake, CA
Michael Marsh, M.D. is an internal medicine physician with a practice address in Toluca Lake, California, and NPI 1619992047, issued on Jul 13, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Marsh
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 4418 Vineland Ave Ste 102, Toluca Lake, CA 91602
- Phone
- (818) 842-7145
- Enumerated
- Jul 13, 2006
- Entity
- Type 1 · individual
Also registered at 4418 Vineland Ave Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jose Hernandez, M.DInternal Medicine Physician1912202938
- Minh Mach, M.D.Specialist1831298736
Verify Michael Marsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
3.9 times the Medicare Part D claims of the average internal medicine physician in 2024
10,793 Medicare Part D claims for 672 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 180 claims were for opioids.
Most prescribed
- Atorvastatin Calcium762 claims
- Levothyroxine Sodium480 claims
- Amlodipine Besylate409 claims
- Gabapentin341 claims
- Lisinopril304 claims
- Metformin Hcl272 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 Medicare quality score for 2023: 13.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,070.01
39 payments, mostly food and beverage; the largest payer was Eli Lilly and Company. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Premiere Medical Center OF Burbank, IncToluca Lake, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
2 internal medicine physician records list a Toluca Lake practice address
They are 2 of the 108 NPPES records with a Toluca Lake practice address, and 20,403 internal medicine physician records in California.
All 2 in Toluca Lake → All 20,403 in California → Every provider in Toluca Lake →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Michael Marsh, M.D.'s NPI number?
Michael Marsh, M.D.'s National Provider Identifier (NPI) is 1619992047, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Marsh, M.D. located?
The NPPES record lists a practice address at 4418 Vineland Ave Ste 102, Toluca Lake, CA, 91602. Phone: (818) 842-7145. Providers update this record themselves, so call before visiting.
How can I verify Michael Marsh, M.D.'s license?
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 Michael Marsh, M.D. prescribe under Medicare Part D?
In 2024, Michael Marsh, M.D. had 10,793 Medicare Part D claims for 672 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
What is Michael Marsh, M.D.'s Medicare quality score?
The 2023 MIPS final score is 13.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.