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MICHAEL SIEGELL MD
NPI 1821148453
Psychiatry & Neurology - Addiction Medicine in New York, NY

Active since January 12, 2007PECOS Enrolled
750 PARK AVE STE C, NEW YORK, NY 10021(646) 322-7434 Get Directions Write a Review

NPPES record last updated: April 8, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Michael Siegell Md NPPES

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

MICHAEL SIEGELL MD (NPI 1821148453) is an individual addiction medicine provider in New York, New York, licensed in New York (231338) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821148453
Entity TypeIndividualMale
Primary Taxonomy2084A0401X
Provider Legal NameMICHAEL SIEGELLCredential: MD
Location Address750 PARK AVE STE CNew York, NY 10021-4252
Mailing AddressPo Box 386New York, NY 10276-0386 · (646) 322-7434
Phone(646) 322-7434
Sole ProprietorYes
Enumeration DateJanuary 12, 2007
Last NPPES UpdateApril 8, 2010
✔ NPI 1821148453 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Addiction MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2084A0401X
License✔ Licensed in NY · 231338
Definition
A doctor of osteopathy board eligible/certified in the field of Psychiatry by the American Osteopathic Board of Neurology and Psychiatry is able to obtain a Certificate of Added Qualifications in the field of Addiction Medicine
750 PARK AVE STE C, New York, NY 10021
Open in Google Maps ↗

Other Identifiers 1

Medicare PIN427BS1NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michael Siegell Md 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 Reassignments

2

Medicare enrollment records show Michael Siegell reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Icahn School Of Medicine At Mount Sinai
1.1 mi
Orthopaedic Surgery
425 WEST 59TH STREET
New York, NY 10025
  • Reassigned Medicare billing, New York enrollment
  • 346 clinicians in this Medicare group
NPI 1881063501 (212) 523-8159
Icahn School Of Medicine At Mount Sinai
1.4 mi
Addiction Medicine
1425 MADISON AVE
New York, NY 10029
  • Reassigned Medicare billing, New York enrollment
  • 385 clinicians in this Medicare group
NPI 1033482518 (212) 987-3100

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 10021 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
$150.24 typical visit price
range $65.69 – $198.19
Typical copayment $37.56 (range $16.42 – $49.54)
Most-billed visit code 99204
Established Patient
$114.88 typical visit price
range $21.20 – $160.66
Typical copayment $28.72 (range $5.30 – $40.16)
Most-billed visit code 99214
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 Michael Siegell's NPI number?

The NPI number for Michael Siegell is 1821148453. It was assigned to this individual provider in the NPPES registry on January 12, 2007.

Where is Michael Siegell located?

Michael Siegell practices at 750 Park Ave Ste C, New York, NY 10021. The listed phone number is (646) 322-7434.

What is Michael Siegell's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Addiction Medicine, with taxonomy code 2084A0401X.

Is Michael Siegell enrolled in Medicare?

Yes. Michael Siegell is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Michael Siegell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Siegell reassigns Medicare benefits to 2 organizations: Icahn School Of Medicine At Mount Sinai (New York, NY) and Icahn School Of Medicine At Mount Sinai (New York, 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 Michael Siegell'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 Michael Siegell was last updated on April 8, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.