James Corby, MD
Psychiatry Physician · Santa Cruz, CA
James Corby, MD is a psychiatry physician with a practice address in Santa Cruz, California, and NPI 1508993908, issued on Feb 27, 2007. Check the license (California G27822, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- James Corby
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- G27822 CA
Self-reported in NPPES; status is on the state search - Practice location
- 550 Water St, Santa Cruz, CA 95060
- Phone
- (831) 458-1965
- Enumerated
- Feb 27, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (831) 458-5065
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 550 Water St
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Verify James Corby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G27822Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average psychiatry physician in 2024
117 Medicare Part D claims for 12 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Clonazepam17 claims
- Lorazepam14 claims
- Aripiprazole13 claims
- Zolpidem Tartrate12 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.
James Corby among 8,673 psychiatry physician records in California
James Corby, 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 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 fileNo · 38% of these records are
- Record last updated2007 · 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 Santa Cruz → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Ralph Berman, M DSanta Cruz, CA 950601306889795
- Michael Christie, M.D.Santa Cruz, CA 950601659486512
- John Gillette, M.D.Santa Cruz, CA 950601598756579
- David Hoban, MDSanta Cruz, CA 950601659325892
- Brinda Krishnan, M.D.,Santa Cruz, CA 950601114970076
- Barbara Lampert, MDSanta Cruz, CA 950601841200128
- Timothy Myers, MDSanta Cruz, CA 950601124030747
- Latha Nair, M.D.Santa Cruz, CA 950601164527560
Common questions
What is James Corby, MD's NPI number?
James Corby, MD's National Provider Identifier (NPI) is 1508993908, issued on Feb 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is James Corby, MD located?
The NPPES record lists a practice address at 550 Water St, Santa Cruz, CA, 95060. Phone: (831) 458-1965. Providers update this record themselves, so call before visiting.
How can I verify James Corby, MD's license?
NPPES lists California license number G27822, 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 James Corby, MD prescribe under Medicare Part D?
In 2024, James Corby, MD had 117 Medicare Part D claims for 12 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.