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DR. RYAN MICHAEL NEINSTEIN M.D.
NPI 1588929327
Specialist in New York, NY

Active since July 09, 2012Opted out of Medicare · through Feb 27, 2027
4 WEST 58TH STREET FLOOR 12, NEW YORK, NY 10019(212) 249-0949(212) 208-4666 Get Directions Write a Review

NPPES record last updated: August 13, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Ryan Michael Neinstein M.d. NPPES

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

DR. RYAN MICHAEL NEINSTEIN M.D. (NPI 1588929327) is an individual specialist in New York, New York, licensed in New York (P83192) and active in the NPI registry since July 2012. He has opted out of Medicare through February 27, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1588929327
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDR. RYAN MICHAEL NEINSTEINCredential: M.D.
Location Address4 WEST 58TH STREET FLOOR 12New York, NY 10019
Mailing Address4 West 58th Street Floor 12New York, NY 10019 · (212) 249-0949 · Fax (212) 208-4666
Phone(212) 249-0949
Fax(212) 208-4666
Sole ProprietorYes
Enumeration DateJuly 9, 2012
Last NPPES UpdateAugust 13, 2021
NPPES CertifiedAugust 13, 2021
✔ NPI 1588929327 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in NY · P83192
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
4 WEST 58TH STREET FLOOR 12, New York, NY 10019
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

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Opted out of Medicare

Dr. Ryan Michael Neinstein M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from February 27, 2017 through February 27, 2027.

Opt-Out Effective DateFebruary 27, 2017
Opt-Out In Effect ThroughFebruary 27, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

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 Ryan Neinstein's NPI number?

The NPI number for Ryan Neinstein is 1588929327. It was assigned to this individual provider in the NPPES registry on July 9, 2012.

Where is Ryan Neinstein located?

Ryan Neinstein practices at 4 West 58th Street Floor 12, New York, NY 10019. The listed phone number is (212) 249-0949.

What is Ryan Neinstein's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Ryan Neinstein enrolled in Medicare?

No. Ryan Neinstein has opted out of Medicare through February 27, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Ryan Neinstein was last updated on August 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.