Haran Sivakumar, MD
Addiction Medicine · Family Practice · Psychiatry (CMS) · New York, NY
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.
Check the official Medicare directory ↗Practice location
99 Wall St Ste 475New York, NY 10005-4301
Additional reported practice locations
13274 Fiji WayMarina 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
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
- New York-Presbyterian Hospital New York, NY
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.
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.
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
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
207QA0401X · Primary
License reported: 312837 NY
2083B0002X
License reported: 312837 NY
207Q00000X
License reported: 312837 NY
2083B0002X
License reported: A163513 CA
207QB0002X
License reported: 312837 NY
207Q00000X
License reported: A163513 CA
207QA0401X
License reported: A163513 CA
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 475New York, NY 10005-4301
- Phone
- (917) 284-8973
- Fax
- (956) 394-1214
Mailing address
99 WALL ST STE 475NEW YORK, NY 100054301
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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