Jagannath Sam Nayak
Psychiatry Physician · Colton, CA
Jagannath Sam Nayak is a psychiatry physician with a practice address in Colton, California, and NPI 1548764863, issued on Mar 21, 2018. Check the license (California A166879, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jagannath Sam Nayak
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A166879 CA
Self-reported in NPPES; status is on the state search - Practice location
- 400 N Pepper Ave, Colton, CA 92324
- Phone
- (909) 580-2186
- Enumerated
- Mar 21, 2018
- Record last updated
- Oct 17, 2023
- Medicare enrollment
- Enrolled (PECOS I20230801003086); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 400 N Pepper Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shangrila AbaricoRegistered Nurse1609659325
- Susana AbaroRegistered Nurse1114425162
- Patricia AbbaRegistered Nurse1013188838
- Mohammad Hossein Abbasi, MD, MPHStudent in an Organized Health Care Education/Training Program1609622166
- Ala AbedrabboCertified Registered Nurse Anesthetist1972333144
- Mary AboagyeLicensed Vocational Nurse1982875605
Verify Jagannath Sam Nayak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A166879Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average psychiatry physician in 2024
414 Medicare Part D claims for 109 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Risperidone35 claims
- Divalproex Sodium23 claims
- Mirtazapine23 claims
- Divalproex Sodium Er20 claims
- Olanzapine18 claims
- Trazodone Hcl18 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
- Pacific Heritage Medical Group IncSan Bernardino, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jagannath Sam Nayak among 8,673 psychiatry physician records in California
Jagannath Sam Nayak 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 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2018 · median 2005 among the 3,295 with a school on file
- Record last updated2023 · 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 Colton
They are 35 of the 2,459 NPPES records with a practice address in Colton, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Colton → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Jose Aguilar, M.D.Colton, CA 923241619255783
- Thomas Bai, MDColton, CA 923241538204359
- Kedarnath Challakere, MDColton, CA 923241972610335
- Claudin Gomez, M.D.Colton, CA 923241841512399
- Keith Gordon, M.D.Colton, CA 923241053473629
- Johannes Ndlela, M.D.Colton, CA 923241699837898
- Doan Nguyen, MDColton, CA 923241457493405
- Mailan Pham, M.D.Colton, CA 923241255531687
Common questions
What is Jagannath Sam Nayak's NPI number?
Jagannath Sam Nayak's National Provider Identifier (NPI) is 1548764863, issued on Mar 21, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Jagannath Sam Nayak located?
The NPPES record lists a practice address at 400 N Pepper Ave, Colton, CA, 92324. Phone: (909) 580-2186. Providers update this record themselves, so call before visiting.
How can I verify Jagannath Sam Nayak's license?
NPPES lists California license number A166879, 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 Jagannath Sam Nayak prescribe under Medicare Part D?
In 2024, Jagannath Sam Nayak had 414 Medicare Part D claims for 109 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.