Jeremy Mark Demartini, M.D.
Psychiatry Physician · Sacramento, CA
Jeremy Mark Demartini, M.D. is a psychiatry physician with a practice address in Sacramento, California, and NPI 1669715512, issued on Mar 28, 2013. Check the license (California A133611, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jeremy Mark Demartini
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A133611 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4150 V St # 1110, Sacramento, CA 95817
- Phone
- (916) 734-2011
- Enumerated
- Mar 28, 2013
- Record last updated
- Oct 21, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180709001734); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2013
- 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 4150 V St # 1110
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tatini DattaHematology & Oncology Physician1134513187
Verify Jeremy Mark Demartini in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A133611Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average psychiatry physician in 2024
286 Medicare Part D claims for 62 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Duloxetine Hcl15 claims
- Sertraline Hcl13 claims
- Buspirone Hcl12 claims
- Ingrezza11 claims
- Levothyroxine Sodium11 claims
- Prazosin Hcl11 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
- Regents OF The Univ OF CASacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeremy Mark Demartini among 8,673 psychiatry physician records in California
Jeremy Mark Demartini, 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 2013, is newer than 69% of them.
- NPI issued2013 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2013 · 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).
331 psychiatry physician records list a practice address in Sacramento
They are 331 of the 33,083 NPPES records with a practice address in Sacramento, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Sacramento → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- James Bourgeois, M.D.Sacramento, CA 958171982686374
- Cameron Carter, M.D.Sacramento, CA 958171609851989
- Robert Hales, M.D.Sacramento, CA 958171447232764
- Richard Maddock, M.D.Sacramento, CA 958171841274677
- Robert McCarron, D.O.Sacramento, CA 958171831173087
- Thomas Nordahl, M.D., PH.D.Sacramento, CA 958171831174747
- John Onate, M.D.Sacramento, CA 958171497730014
- Murat Pakyurek, M.D.Sacramento, CA 958171174507735
Common questions
What is Jeremy Mark Demartini, M.D.'s NPI number?
Jeremy Mark Demartini, M.D.'s National Provider Identifier (NPI) is 1669715512, issued on Mar 28, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Jeremy Mark Demartini, M.D. located?
The NPPES record lists a practice address at 4150 V St # 1110, Sacramento, CA, 95817. Phone: (916) 734-2011. Providers update this record themselves, so call before visiting.
How can I verify Jeremy Mark Demartini, M.D.'s license?
NPPES lists California license number A133611, 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 Jeremy Mark Demartini, M.D. prescribe under Medicare Part D?
In 2024, Jeremy Mark Demartini, M.D. had 286 Medicare Part D claims for 62 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.