Harrison Scott Ballard, MD
Psychiatry Physician · San Diego, CA
Harrison Scott Ballard, MD is a psychiatry physician with a practice address in San Diego, California, and NPI 1346090487, issued on Mar 22, 2024. Check the license (California A204809, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Harrison Scott Ballard
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A204809 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 W Arbor Dr # MC8218, San Diego, CA 92103
- Phone
- (858) 657-7000
- Enumerated
- Mar 22, 2024
- Record last updated
- Jun 11, 2026
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 200 W Arbor Dr # MC8218
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Harrison Scott Ballard in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A204809Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average psychiatry physician in 2024
26 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
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.
Harrison Scott Ballard among 8,673 psychiatry physician records in California
Harrison Scott Ballard, MD 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 2024, is newer than 98% of them.
- NPI issued2024 · 98% of these records are older, under 1% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2026 · 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 Diego → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Olga Becker, M.D.San Diego, CA 921031083644710
- Tahir Bhatti, M.D.San Diego, CA 921031518915487
- Gregory Bishop, M.D.San Diego, CA 921031003855545
- Joel Dimsdale, M.D.San Diego, CA 921031306877568
- Jeremy Hirst, M.D.San Diego, CA 921031073563714
- Katherine Immerman, M.D.San Diego, CA 921031023087939
- Walter Kaye, MDSan Diego, CA 921031922076223
- John Kelsoe, M.D.San Diego, CA 921031184672156
Common questions
What is Harrison Scott Ballard, MD's NPI number?
Harrison Scott Ballard, MD's National Provider Identifier (NPI) is 1346090487, issued on Mar 22, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Harrison Scott Ballard, MD located?
The NPPES record lists a practice address at 200 W Arbor Dr # MC8218, San Diego, CA, 92103. Phone: (858) 657-7000. Providers update this record themselves, so call before visiting.
How can I verify Harrison Scott Ballard, MD's license?
NPPES lists California license number A204809, 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 Harrison Scott Ballard, MD prescribe under Medicare Part D?
In 2024, Harrison Scott Ballard, MD had 26 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.