Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

HEMA IYER MD
NPI 1477654366
Psychiatry & Neurology - Psychiatry in Saint Louis, MO

Active since September 26, 2006PECOS Enrolled
10018 KENNERLY RD, SAINT LOUIS, MO 63128(314) 251-6663(314) 251-8716 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 13, 2026, Nov 5, 2025, Mar 26, 2021 and 3 more (6 updates tracked since 2017).

About Hema Iyer Md NPPES

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

HEMA IYER MD (NPI 1477654366) is an individual psychiatry provider in Saint Louis, Missouri, licensed in Missouri (2025016131) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of Other (1994).

NPPES Registry Identity

NPI1477654366
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameHEMA IYERCredential: 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
Medical School CMSOtherGraduated 1994
Enumeration DateSeptember 26, 2006
Last NPPES UpdateJuly 13, 20266 updates tracked since enumeration
NPPES CertifiedJuly 13, 2026
NPI 1477654366 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 · 2025016131 Licensed in MI · 4301502161
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 4

Location 12501 N 3rd StHarrisburg, PA 17110 · Phone (717) 782-4734 · Fax (717) 782-4727
Location 210300 W 8 Mile RdFerndale, MI 48220-2100 · Phone (313) 205-6605
Location 31400 US Highway 61Crystal Cty, MO 63028-4108 · Phone (636) 933-1208 · Fax (636) 933-1837
Location 4615 S New Ballas RdSaint Louis, MO 63141-8221 · Phone (314) 251-6766 · Fax (314) 251-4237

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Hema Iyer Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5799754883
PECOS Enrollment IDI20200820001740
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.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
256 services36 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
35 services15 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
26 services24 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
21 services20 patients

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
Long Term Care Hospital
10018 KENNERLY RD, 3RD FLOOR, HYLAND BLDG. B
SAINT LOUIS, MO 63128
Psychiatry & Neurology (Psychiatry)
10018 KENNERLY RD
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 Hema Iyer's NPI number?

The NPI number for Hema Iyer is 1477654366. It was assigned to this individual provider in the NPPES registry on September 26, 2006.

Where is Hema Iyer located?

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

What is Hema Iyer's specialty?

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

Is Hema Iyer enrolled in Medicare?

Yes. Hema Iyer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Hema Iyer accept?

Health plans from McLaren Health Plan Community and Priority Health list Hema Iyer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Hema Iyer was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.