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DR. GAYATHRI MAHENDIRAN M.D.
NPI 1235479122
Psychiatry & Neurology - Psychiatry in Export, PA

Active since February 28, 2013PECOS EnrolledAccepts Medicare Assignment
1033 LEXINGTON DR, EXPORT, PA 15632(516) 547-3243 Get Directions Write a Review

NPPES record last updated: May 9, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Gayathri Mahendiran M.d. NPPES

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

DR. GAYATHRI MAHENDIRAN M.D. (NPI 1235479122) is an individual psychiatry provider in Export, Pennsylvania, licensed in Pennsylvania (MD457688) and active in the NPI registry since February 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2005).

NPPES Registry Identity

NPI1235479122
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. GAYATHRI MAHENDIRANCredential: M.D.
Location Address1033 LEXINGTON DRExport, PA 15632-9020
Mailing Address160 Main StWernersville, PA 19565-9490
Phone(516) 547-3243
Sole ProprietorYes
Medical School CMSOtherGraduated 2005
Enumeration DateFebruary 28, 2013
Last NPPES UpdateMay 9, 2016
✔ NPI 1235479122 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses✔ Licensed in PA · MD457688✔ Licensed in FL · ME 127664
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.
Also ListedPsychiatry & Neurology · Child & Adolescent PsychiatryTaxonomy 2084P0804X · License MD457688 (PA), ME 127664 (FL)
1033 LEXINGTON DR, Export, PA 15632
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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

Dr. Gayathri Mahendiran M.d. 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 ID1355639071
PECOS Enrollment IDI20161013000483, I20190605002830
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

3

Medicare enrollment records show Gayathri Mahendiran reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Psychology & Counseling Associates, PC
213 mi
Clinical
2091 E HIGH ST
Pottstown, PA 19464
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 52 clinicians in this Medicare group
NPI 1750303368 (610) 970-5234
New York City Health And Hospitals Corporation
290 mi
Skilled Nursing Facility
460 BRIELLE AVE
Staten Island, NY 10314
  • Reassigned Medicare billing, New York enrollment
  • 1,615 clinicians in this Medicare group
NPI 1285642512 (718) 317-3261
Samaritan Medical Center
311 mi
Rehabilitation Unit
830 WASHINGTON ST
Watertown, NY 13601
  • Reassigned Medicare billing, New York enrollment
  • 183 clinicians in this Medicare group
NPI 1093722068 (315) 786-4800

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.
51 services12 patients
Psychotherapy with evaluation and management visit, 30 minutes 90833
Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.
49 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 15632 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
$166.87 typical visit price
range $54.64 – $166.87
Typical copayment $41.71 (range $13.66 – $41.71)
Most-billed visit code 99205
Established Patient
$68.36 typical visit price
range $17.33 – $135.84
Typical copayment $17.09 (range $4.33 – $33.96)
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.

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 Gayathri Mahendiran's NPI number?

The NPI number for Gayathri Mahendiran is 1235479122. It was assigned to this individual provider in the NPPES registry on February 28, 2013.

Where is Gayathri Mahendiran located?

Gayathri Mahendiran practices at 1033 Lexington Dr, Export, PA 15632. The listed phone number is (516) 547-3243.

What is Gayathri Mahendiran's specialty?

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

Is Gayathri Mahendiran enrolled in Medicare?

Yes. Gayathri Mahendiran 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 Gayathri Mahendiran's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gayathri Mahendiran reassigns Medicare benefits to 3 organizations: Psychology & Counseling Associates, PC (Pottstown, PA), New York City Health And Hospitals Corporation (Staten Island, NY) and Samaritan Medical Center (Watertown, NY). 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 Gayathri Mahendiran's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Gayathri Mahendiran was last updated on May 9, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.