GAYATRI KOLLURU BAKER D.O.
NPI 1205219300
Psychiatry & Neurology - Psychiatry in Elgin, IL

Active since July 07, 2015PECOS EnrolledAccepts Medicare Assignment
2050 LARKIN AVE STE 202, ELGIN, IL 60123(478) 697-2400(847) 697-2438 Get Directions Write a Review

NPPES record last updated: June 24, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 24, 2025, Sep 17, 2019 (2 updates tracked since 2019).

About Gayatri Kolluru Baker D.o. NPPES

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

GAYATRI KOLLURU BAKER D.O. (NPI 1205219300) is an individual psychiatry provider in Elgin, Illinois, licensed in Illinois (036146017) and active in the NPI registry since July 2015. She is enrolled in Medicare PECOS, is affiliated with Presence Saint Joseph Hospital - Elgin, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1205219300
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameGAYATRI KOLLURU BAKERCredential: D.O.
Location Address2050 LARKIN AVE STE 202Elgin, IL 60123-5899
Mailing Address2050 Larkin Ave Ste 202Elgin, IL 60123-5899 · (478) 697-2400 · Fax (847) 697-2438
Fax(847) 697-2438
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateJuly 7, 2015
Last NPPES UpdateJune 24, 20252 updates tracked since enumeration
NPPES CertifiedJune 24, 2025
✔ NPI 1205219300 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 IL · 036146017✔ Licensed in IL · 125067194
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.
2050 LARKIN AVE STE 202, Elgin, IL 60123

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gayatri Kolluru Baker D.o. 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 ID1355671728
PECOS Enrollment IDI20190927000275
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Gayatri Baker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mental Health
2050 LARKIN AVE, SUITE 202
Elgin, IL 60123
  • Reassigned Medicare billing, Illinois enrollment
  • 18 clinicians in this Medicare group
Psychiatric Hospital
1400 E IRVING PARK RD
Streamwood, IL 60107
  • Reassigned Medicare billing, Illinois enrollment
  • 33 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
403 services93 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
62 services39 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Presence Saint Joseph Hospital - Elgin

Acute Care Hospitals · Elgin, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140217
Location77 N Airlite StreetElgin, IL 60123 · Kane County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60123 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
$181.38 typical visit price
range $59.81 – $181.38
Typical copayment $45.34 (range $14.95 – $45.34)
Most-billed visit code 99205
Established Patient
$74.38 typical visit price
range $19.15 – $147.12
Typical copayment $18.59 (range $4.78 – $36.78)
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 2

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

Social Worker (Clinical)
2050 LARKIN AVE STE 202
ELGIN, IL 60123
Psychiatry & Neurology (Psychiatry)
2050 LARKIN AVE STE 202
ELGIN, IL 60123

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 Gayatri Baker's NPI number?

The NPI number for Gayatri Baker is 1205219300. It was assigned to this individual provider in the NPPES registry on July 7, 2015.

Where is Gayatri Baker located?

Gayatri Baker practices at 2050 Larkin Ave Ste 202, Elgin, IL 60123. The listed phone number is (478) 697-2400.

What is Gayatri Baker's specialty?

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

Is Gayatri Baker enrolled in Medicare?

Yes. Gayatri Baker 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.

Which organizations bill Medicare for Gayatri Baker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gayatri Baker reassigns Medicare benefits to 2 organizations: Associates In Psychiatry And Counseling, PC (Elgin, IL) and Bhc Streamwood Hospital Inc. (Streamwood, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gayatri Baker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gayatri Baker accept?

Health plans from Oscar Health list Gayatri Baker 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.

Is Gayatri Baker affiliated with any hospitals?

According to CMS data, Gayatri Baker is affiliated with Presence Saint Joseph Hospital - Elgin.

When was this NPI record last updated?

The NPPES record for Gayatri Baker was last updated on June 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.