Haran Sivakumar, MD

Addiction Medicine · Family Practice · Psychiatry (CMS) · New York, NY

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At a glance

99 Wall St Ste 475, New York, NY 10005-4301

NPPES record updated Nov 22, 2025. Public records can lag behind changes at a practice.

Before you call: a quick checklist
  • Are you accepting new patients?
  • Do you accept my specific insurance plan?
  • Do you provide the service I need at this address?
  • Do I need a referral, and what is the earliest appointment?

Insurance participation and appointment availability are not established by these public records.

Medicare & insurance

Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.

How to check your coverage

Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.

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Practice location

99 Wall St Ste 475
New York, NY 10005-4301

Additional reported practice locations

13274 Fiji Way
Marina Del Rey, CA 902927282
Phone: 8334388763
51 E 25Th St Fl 4
New York, NY 100108210
Phone: 2125320303
1300 York Ave
New York, NY 100654805
Phone: 2127461450
560 Cohasset Rd Ste 140
Chico, CA 959262478
Phone: 5308956625
505 E 70Th St Fl 4
New York, NY 100214872
Phone: 2127462900
REPORTED BACKGROUND

Education & affiliations

Medical / professional school
Icahn School Of Medicine At Mount Sinai
Graduation year
2018
CMS specialties
Addiction Medicine · Family Practice · Psychiatry

CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.

Practice groups

Reported hospital affiliations

Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.

Source: CMS National Downloadable File · Published Oct 15, 2026.

Source: CMS Facility Affiliation Data · Published Oct 15, 2026.

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PUBLISHED MEDICARE ACTIVITY

Procedures in the public data

Reported activity can help you ask more informed questions about a practice’s services.

No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.

CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology

Source: CMS Utilization Data · Published Oct 15, 2026.

Find providers with a similar service mix

Compare 2024 published Medicare activity in the same reported specialty, here or in another city.

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PAYMENT TRANSPARENCY

Industry-reported general payments

No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.

Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.

Professional details: NPI, taxonomy & registry record
NPI1982109740
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Registry details

Primary taxonomy
Addiction Medicine · Family Practice · Psychiatry (CMS)
Taxonomy code
207QA0401X
Enumeration date
Mar 26, 2018
Record updated
Nov 22, 2025
More registry details
Provider type
Individual · Type 1
Reported credentials
MD

Reported taxonomies and licenses

Specialty details in registry

207QA0401X · Primary

License reported: 312837 NY

Specialty details in registry

2083B0002X

License reported: 312837 NY

Family Medicine

207Q00000X

License reported: 312837 NY

Specialty details in registry

2083B0002X

License reported: A163513 CA

Specialty details in registry

207QB0002X

License reported: 312837 NY

Family Medicine

207Q00000X

License reported: A163513 CA

Specialty details in registry

207QA0401X

License reported: A163513 CA

Specialty details in registry

207QB0002X

License reported: A163513 CA

License numbers and credentials are reported to NPPES; HCPList does not independently verify them.

Practice location

99 Wall St Ste 475
New York, NY 10005-4301
Phone
(917) 284-8973
Fax
(956) 394-1214
Mailing address
99 WALL ST STE 475

NEW YORK, NY 100054301
Source: NPPES Source through Oct 18, 2026An NPI does not verify licensure or credentials.

Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.

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