Jeffrey Scott Marsh, M.D.
Psychiatry Physician · Sylmar, CA
Jeffrey Scott Marsh, M.D. is a psychiatry physician with a practice address in Sylmar, California, and NPI 1679666283, issued on Oct 2, 2006. Check the license (California G75141, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Scott Marsh
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- G75141 CA
Self-reported in NPPES; status is on the state search - Practice location
- 12669 Encinitas Ave, Sylmar, CA 91342
- Phone
- (818) 388-7648
- Enumerated
- Oct 2, 2006
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20091218000264); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1991
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 12669 Encinitas Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Buckland, MFTMarriage & Family Therapist1386849511
- Evelyn Chamorro, MAMarriage & Family Therapist1750781092
- Tise Chao, LMFTMarriage & Family Therapist1013108950
- Kayla Chory, DOChild & Adolescent Psychiatry Physician1487279683
- Ann Doqui, LCSWClinical Social Worker1639341969
- Roy DrorMarriage & Family Therapist1679700488
Verify Jeffrey Scott Marsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G75141Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average psychiatry physician in 2024
2,286 Medicare Part D claims for 380 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Lorazepam220 claims
- Buspirone Hcl165 claims
- Sertraline Hcl164 claims
- Trazodone Hcl144 claims
- Fluoxetine Hcl141 claims
- Alprazolam104 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 one group practice
- Southern California Permanente Medical GroupSylmar, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey Scott Marsh among 8,673 psychiatry physician records in California
Jeffrey Scott Marsh, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated1991 · median 2005 among the 3,295 with a school on file
- Record last updated2021 · 54% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
65 psychiatry physician records list a practice address in Sylmar
They are 65 of the 1,454 NPPES records with a practice address in Sylmar, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Sylmar → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Marjorie Adler, MDSylmar, CA 913421962550954
- Davin Agustines, DOSylmar, CA 913421336195890
- Jeffrey Cardenas, MDSylmar, CA 913421902985377
- Valery Chamberlin, M.D.Sylmar, CA 913421437101193
- Joseph Chien, D.O.Sylmar, CA 913421528267325
- Robert Dasher, MDSylmar, CA 913421427078682
- Stephen Erhart, MDSylmar, CA 913421912067471
- Latha Madhavan, M.D.Sylmar, CA 913421558490037
Common questions
What is Jeffrey Scott Marsh, M.D.'s NPI number?
Jeffrey Scott Marsh, M.D.'s National Provider Identifier (NPI) is 1679666283, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Scott Marsh, M.D. located?
The NPPES record lists a practice address at 12669 Encinitas Ave, Sylmar, CA, 91342. Phone: (818) 388-7648. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Scott Marsh, M.D.'s license?
NPPES lists California license number G75141, 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 Jeffrey Scott Marsh, M.D. prescribe under Medicare Part D?
In 2024, Jeffrey Scott Marsh, M.D. had 2,286 Medicare Part D claims for 380 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.