Ruby Kahlon, M.D.
Psychiatry Physician · Vacaville, CA
Ruby Kahlon, M.D. is a psychiatry physician with a practice address in Vacaville, California, and NPI 1952544850, issued on Apr 8, 2009. Check the license (California A123215, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ruby Kahlon
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A123215 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1600 California Drive, Vacaville, CA 95687
- Phone
- (707) 448-6841
- Enumerated
- Apr 8, 2009
- Record last updated
- Feb 28, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 1600 California Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Omotayo Alamutu, DNP, FNP, PMHNPPsychiatric/Mental Health Nurse Practitioner1689978652
- Karuna Anand, M.D.Psychiatry Physician1881705176
- Foyinsola BademosiClinical Psychologist1295473452
- Jackie Bowyer, PH.D.Clinical Psychologist1841513454
- Johanna CalicaMarriage & Family Therapist1194190207
- Charlene CarlosPharmacist1063279255
Verify Ruby Kahlon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A123215Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average psychiatry physician in 2024
268 Medicare Part D claims for 32 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Mirtazapine40 claims
- Olanzapine30 claims
- Sertraline Hcl29 claims
- Divalproex Sodium Er23 claims
- Fluoxetine Hcl22 claims
- Paliperidone Er21 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.
Ruby Kahlon among 8,673 psychiatry physician records in California
Ruby Kahlon, 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 2009, is newer than 57% of them.
- NPI issued2009 · 57% of these records are older, 40% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2014 · 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).
35 psychiatry physician records list a practice address in Vacaville
They are 35 of the 1,903 NPPES records with a practice address in Vacaville, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Vacaville → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Karuna Anand, M.D.Vacaville, CA 956871881705176
- Sarah Benington, DOVacaville, CA 956871679680748
- Tshering Bhutia, M.D.Vacaville, CA 956871285991968
- Shelly JamesVacaville, CA 956871437421161
- Richard Lipon, M.D.Vacaville, CA 956871639305980
- Lorna LukensVacaville, CA 956871285946996
- Martha Mann, M.D.Vacaville, CA 956871821120288
- Leslie McDaniel, MDVacaville, CA 956871487726238
Common questions
What is Ruby Kahlon, M.D.'s NPI number?
Ruby Kahlon, M.D.'s National Provider Identifier (NPI) is 1952544850, issued on Apr 8, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Ruby Kahlon, M.D. located?
The NPPES record lists a practice address at 1600 California Drive, Vacaville, CA, 95687. Phone: (707) 448-6841. Providers update this record themselves, so call before visiting.
How can I verify Ruby Kahlon, M.D.'s license?
NPPES lists California license number A123215, 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 Ruby Kahlon, M.D. prescribe under Medicare Part D?
In 2024, Ruby Kahlon, M.D. had 268 Medicare Part D claims for 32 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.