Susan Marie Ditter, M.D., M.P.H.
Psychiatry Physician · San Jose, CA
Susan Marie Ditter, M.D., M.P.H. is a psychiatry physician with a practice address in San Jose, California, and NPI 1710188438, issued on May 30, 2007. Check the license (California G87843, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Susan Marie Ditter
- Credential
- M.D., M.P.H.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- G87843 CA
024803 GA
0101236675 VA
Self-reported in NPPES; status is on the state search - Practice location
- 2221 Enborg LN, San Jose, CA 95128
- Phone
- (408) 885-6220
- Enumerated
- May 30, 2007
- Record last updated
- Apr 3, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (408) 885-3977
- Medicare enrollment
- Enrolled (PECOS I20100419000591); accepts Medicare assignment
- Medical or professional school
- Emory University School Of Medicine, 1980
- 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 2221 Enborg LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maisha Adams, LCSWSocial Worker1700397544
- Lawanda AvilaMental Health Counselor1295385714
- Gregory Braverman, M.DPsychiatry Physician1790998979
- Charles Castor-ThomasMental Health Counselor1003074899
- Suzanne Chiu, LCSWSocial Worker1407108269
- Dinh Chu, LCSWClinical Social Worker1548384951
Verify Susan Marie Ditter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G87843Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average psychiatry physician in 2024
113 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Methylphenidate Er26 claims
- Sertraline Hcl14 claims
- Clonazepam12 claims
- Fluoxetine Hcl11 claims
- Vraylar11 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
- Comprehensive Psychiatric Services A Medical GroupWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Susan Marie Ditter among 8,673 psychiatry physician records in California
Susan Marie Ditter, M.D., M.P.H. 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 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 48% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated1980 · median 2005 among the 3,295 with a school on file
- Record last updated2008 · 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).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in San Jose → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Christine Chang, MDSan Jose, CA 951281033185798
- Hebe Estrella-Schultz, MDSan Jose, CA 951281619927340
- Christine Gartner, MDSan Jose, CA 951281427146547
- Kenneth Gee, MDSan Jose, CA 951281851489975
- Amarjit Grewal, MDSan Jose, CA 951281700840188
- David Johnson, MD,PHDSan Jose, CA 951281255395331
- Mya Kyaw, M.D.San Jose, CA 951281952408247
- Michael Meade, MDSan Jose, CA 951281689649881
Common questions
What is Susan Marie Ditter, M.D., M.P.H.'s NPI number?
Susan Marie Ditter, M.D., M.P.H.'s National Provider Identifier (NPI) is 1710188438, issued on May 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Susan Marie Ditter, M.D., M.P.H. located?
The NPPES record lists a practice address at 2221 Enborg LN, San Jose, CA, 95128. Phone: (408) 885-6220. Providers update this record themselves, so call before visiting.
How can I verify Susan Marie Ditter, M.D., M.P.H.'s license?
NPPES lists California license number G87843, 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 Susan Marie Ditter, M.D., M.P.H. prescribe under Medicare Part D?
In 2024, Susan Marie Ditter, M.D., M.P.H. had 113 Medicare Part D claims; 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.