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DR. SADJAD RIYAHI MD
NPI 1366026429
Psychiatry & Neurology - Psychiatry in Brooklyn, NY

Active since May 05, 2021PECOS EnrolledAccepts Medicare Assignment
450 CLARKSON AVE # 1262, BROOKLYN, NY 11203(718) 270-8867 Get Directions Write a Review

NPPES record last updated: September 3, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 3, 2025, May 5, 2021 (2 updates tracked since 2021).

About Dr. Sadjad Riyahi Md NPPES

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

DR. SADJAD RIYAHI MD (NPI 1366026429) is an individual psychiatry provider in Brooklyn, New York, licensed in New York (333743) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS, is affiliated with Kings County Hospital Center, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1366026429
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. SADJAD RIYAHICredential: MD
Location Address450 CLARKSON AVE # 1262Brooklyn, NY 11203-2012
Mailing Address450 Clarkson Ave # 1262Brooklyn, NY 11203-2012 · (718) 270-8867
Phone(718) 270-8867
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateMay 5, 2021
Last NPPES UpdateSeptember 3, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 3, 2025
✔ NPI 1366026429 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 · 333743
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.
450 CLARKSON AVE # 1262, Brooklyn, NY 11203
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Other Names 1

Professional Name (2)Dr. Sadjad Riyahi Md

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. Sadjad Riyahi 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 ID7618471350
PECOS Enrollment IDI20250917000672
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 Sadjad Riyahi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

North Shore - Lij Medical PC
14 mi
Internal Medicine
270-05 76TH AVE
New Hyde Park, NY 11040
  • Reassigned Medicare billing, New York enrollment
  • 9,353 clinicians in this Medicare group
NPI 1790043479 (516) 465-8089

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

Hospital Affiliations CMS Care Compare

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

Kings County Hospital Center

Acute Care Hospitals · Brooklyn, NY
1/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number330202
Location451 Clarkson AvenueBrooklyn, NY 11203 · Kings County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11203 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.

RIZA SEIT MD
Radiology (Diagnostic Radiology)
450 CLARKSON AVE # 1262
BROOKLYN, NY 11203
Kings County (718) 270-8867
CUONG LE M.D.
Student in an Organized Health Care Education/Training Program
450 CLARKSON AVE # 1262
BROOKLYN, NY 11203
Kings County (718) 270-8867
DR. MUHAMMAD IHSAN MD
Internal Medicine (Interventional Cardiology)
450 CLARKSON AVE # 1262
BROOKLYN, NY 11203
Kings County (718) 270-8867
JIHAE LEE
Student in an Organized Health Care Education/Training Program
450 CLARKSON AVE # 1262
BROOKLYN, NY 11203
Kings County (718) 270-8867
CHANDANA DAS M.D.
Student in an Organized Health Care Education/Training Program
450 CLARKSON AVE # 1262
BROOKLYN, NY 11203
Kings County (718) 270-8867
ROBERT CHIARAMONTE MD, PHD
Student in an Organized Health Care Education/Training Program
450 CLARKSON AVE # 1262
BROOKLYN, NY 11203
Kings County (718) 270-8867
DR. KERON CHRISTOPHER MATTHEW M.D.
Student in an Organized Health Care Education/Training Program
450 CLARKSON AVE # 1262, DEPARTMENT OF INTERNAL MEDICINE
BROOKLYN, NY 11203
Kings County (718) 270-8867
DR. NAVANEETHA KRISHNAN SHESHADRI M.D.
Internal Medicine (Cardiovascular Disease)
450 CLARKSON AVE # 1262
BROOKLYN, NY 11203
Kings County (718) 270-8867

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 Sadjad Riyahi's NPI number?

The NPI number for Sadjad Riyahi is 1366026429. It was assigned to this individual provider in the NPPES registry on May 5, 2021. The provider is also known as Dr. Sadjad Riyahi MD.

Where is Sadjad Riyahi located?

Sadjad Riyahi practices at 450 Clarkson Ave # 1262, Brooklyn, NY 11203. The listed phone number is (718) 270-8867.

What is Sadjad Riyahi's specialty?

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

Is Sadjad Riyahi enrolled in Medicare?

Yes. Sadjad Riyahi 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 organization bills Medicare for Sadjad Riyahi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sadjad Riyahi reassigns Medicare benefits to North Shore - Lij Medical PC (New Hyde Park, 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 Sadjad Riyahi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Sadjad Riyahi affiliated with any hospitals?

According to CMS data, Sadjad Riyahi is affiliated with Kings County Hospital Center.

When was this NPI record last updated?

The NPPES record for Sadjad Riyahi was last updated on September 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.