DIL ARA SIDDIKA MD,DO
NPI 1639330418
Psychiatry & Neurology - Psychiatry in Brentwood, NY

Q: What is Dil Siddika's NPI number?

The NPI number for Dil Siddika is 1639330418. It was assigned to this individual provider in the NPPES registry on June 24, 2008.

Q: What is Dil Siddika's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Dil Siddika was last updated on October 4, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since June 24, 2008PECOS Enrolled

998 CROOKED HILL RD, BRENTWOOD, NY 11717(631) 761-3500 Get Directions Write a Review

NPPES record last updated: October 4, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dil Ara Siddika Md,do NPPES

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

DIL ARA SIDDIKA MD,DO (NPI 1639330418) is an individual psychiatry provider in Brentwood, New York, licensed in New York (270762) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639330418

Entity TypeIndividualFemale

Primary Taxonomy2084P0800X

Provider Legal NameDIL ARA SIDDIKACredential: MD,DO

Location Address998 CROOKED HILL RDBrentwood, NY 11717-1019

Mailing Address998 Crooked Hill RdBrentwood, NY 11717-1019 · (631) 761-3500

Phone(631) 761-3500

Sole ProprietorNo

Enumeration DateJune 24, 2008

Last NPPES UpdateOctober 4, 2018

✔ NPI 1639330418 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in NY · 270762

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.

998 CROOKED HILL RD, Brentwood, NY 11717

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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 (PECOS)

Dil Ara Siddika Md,do 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.

Medicare Billing Reassignment

Medicare enrollment records show Dil Siddika reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Nys Office Of Mental Health

0.2 mi

Adult Mental Health

998 CROOKED HILL RD
West Brentwood, NY 11717

Reassigned Medicare billing, New York enrollment
54 clinicians in this Medicare group

NPI 1578627485 (631) 761-3500

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11717 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

$203.53 typical visit price

range $67.40 – $203.53

Typical copayment $50.88 (range $16.85 – $50.88)

Most-billed visit code 99205

Established Patient

$83.44 typical visit price

range $21.66 – $164.45

Typical copayment $20.86 (range $5.41 – $41.11)

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.

MRS. NICAURIS FERNANDEZ RN

Registered Nurse (Psychiatric/Mental Health, Adult)

998 CROOKED HILL RD
WEST BRENTWOOD, NY 11717

Suffolk County (631) 761-3500

NANCY ROSENBERG

Registered Nurse (Psychiatric/Mental Health)

998 CROOKED HILL RD
WEST BRENTWOOD, NY 11717

Suffolk County (631) 761-3500

AMALIE ETIENNE RN

Registered Nurse (Psychiatric/Mental Health)

998 CROOKED HILL RD
WEST BRENTWOOD, NY 11717

Suffolk County (631) 761-3500

LAURA SHERELL CURRIE RN

Licensed Practical Nurse

998 CROOKED HILL RD
BRENTWOOD, NY 11717

Suffolk County (631) 761-3500

SERGIO M BERNADIN RN

Registered Nurse

998 CROOKED HILL RD
WEST BRENTWOOD, NY 11717

Suffolk County (631) 761-3500

DR. MARC MENTIS M.D.

Psychiatry & Neurology (Psychiatry)

998 CROOKED HILL RD
WEST BRENTWOOD, NY 11717

Suffolk County (631) 761-3016

MR. MICHAEL DAY FERGUSON LCSW

Social Worker (Clinical)

998 CROOKED HILL RD
WEST BRENTWOOD, NY 11717

Suffolk County (631) 761-2204

KAREN M. O'KEEFE LCSW-R, CASAC

Social Worker (Clinical)

998 CROOKED HILL RD, BUILDING 56
W BRENTWOOD, NY 11717

Suffolk County (631) 761-2177

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 Dil Siddika's NPI number?

The NPI number for Dil Siddika is 1639330418. It was assigned to this individual provider in the NPPES registry on June 24, 2008.

Where is Dil Siddika located?

Dil Siddika practices at 998 Crooked Hill Rd, Brentwood, NY 11717. The listed phone number is (631) 761-3500.

What is Dil Siddika's specialty?

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

Is Dil Siddika enrolled in Medicare?

Yes. Dil Siddika is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Dil Siddika's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dil Siddika reassigns Medicare benefits to Nys Office Of Mental Health (West Brentwood, NY). The 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 Dil Siddika'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 Dil Siddika was last updated on October 4, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.