Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. AJAY NAIR MD
NPI 1386174738
Psychiatry & Neurology - Psychiatry in Saint Louis, MO

Active since June 18, 2017PECOS Enrolled
10018 KENNERLY RD, SAINT LOUIS, MO 63128(314) 251-6663(314) 251-8716 Get Directions Write a Review

NPPES record last updated: July 23, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 23, 2026, Jun 18, 2017 (2 updates tracked since 2017).

About Dr. Ajay Nair Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. AJAY NAIR MD (NPI 1386174738) is an individual psychiatry provider in Saint Louis, Missouri, licensed in Missouri (2020020186) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1386174738
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. AJAY NAIRCredential: MD
Location Address10018 KENNERLY RDSaint Louis, MO 63128-2106
Mailing Address10018 Kennerly RdSaint Louis, MO 63128-2106 · (314) 251-6663 · Fax (314) 251-8716
Fax(314) 251-8716
Sole ProprietorNo
Enumeration DateJune 18, 2017
Last NPPES UpdateJuly 23, 20262 updates tracked since enumeration
NPPES CertifiedJuly 23, 2026
NPI 1386174738 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses Licensed in MO · 2020020186 Licensed in NY · 312605
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
10018 KENNERLY RD, Saint Louis, MO 63128

Secondary Practice Locations 2

Location 1615 S New Ballas RdSaint Louis, MO 63141-8221 · Phone (314) 251-6766 · Fax (314) 251-4237
Location 21400 US Highway 61Crystal Cty, MO 63028-4108 · Phone (636) 933-1208 · Fax (636) 933-1837

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Ajay Nair Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63128 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$169.38 typical visit price
range $55.65 – $169.38
Typical copayment $42.34 (range $13.91 – $42.34)
Most-billed visit code 99205
Established Patient
$69.50 typical visit price
range $17.76 – $137.92
Typical copayment $17.37 (range $4.44 – $34.48)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
10018 KENNERLY RD
SAINT LOUIS, MO 63128
Psychiatry & Neurology (Child & Adolescent Psychiatry)
10018 KENNERLY RD
SAINT LOUIS, MO 63128
Internal Medicine
10018 KENNERLY RD
SAINT LOUIS, MO 63128
Social Worker (Clinical)
10018 KENNERLY RD
SAINT LOUIS, MO 63128
Registered Nurse
10018 KENNERLY RD
SAINT LOUIS, MO 63128
Long Term Care Hospital
10018 KENNERLY RD, 3RD FLOOR, HYLAND BLDG. B
SAINT LOUIS, MO 63128
Hospitalist
10018 KENNERLY RD, 3RD FLOOR, HYLAND BUILDING B, ST.
SAINT LOUIS, MO 63128
Social Worker (Clinical)
10018 KENNERLY RD
SAINT LOUIS, MO 63128

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ajay Nair's NPI number?

The NPI number for Ajay Nair is 1386174738. It was assigned to this individual provider in the NPPES registry on June 18, 2017.

Where is Ajay Nair located?

Ajay Nair practices at 10018 Kennerly Rd, Saint Louis, MO 63128. The listed phone number is (314) 251-6663.

What is Ajay Nair's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Ajay Nair enrolled in Medicare?

Yes. Ajay Nair is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Ajay Nair was last updated on July 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.