Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ajay Pal Singh, M.D.
Psychiatry Physician in Davis, CA · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1689830408
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Registry record
Entity type Individual (Type 1)
Name Ajay Pal Singh
Credential M.D.
Sex Male
Practice address 1590 Drew Ave Ste 200, Davis, CA, 95618
Phone (530) 297-7500
Fax (530) 297-7751
Enumeration date Jul 31, 2008
Last updated in NPPES Jul 1, 2026
Taxonomy & licenses
2084P0804X Child & Adolescent Psychiatry Physician Allopathic & Osteopathic Physicians · License A118490 (CA) Secondary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Ajay Pal Singh?
The National Provider Identifier (NPI) for Ajay Pal Singh is 1689830408, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ajay Pal Singh practice?
The practice location on file with NPPES is in Davis, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-07-01.