RILEY J WILLIAMS MD
NPI 1598853863
Orthopaedic Surgery - Sports Medicine in New York, NY

Q: What is Riley Williams's NPI number?

The NPI number for Riley Williams is 1598853863. It was assigned to this individual provider in the NPPES registry on October 11, 2006.

Q: What is Riley Williams's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Sports Medicine, with taxonomy code 207XX0005X.

Q: Is Riley Williams enrolled in Medicare?

No. Riley Williams has opted out of Medicare through July 1, 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.

Q: When was this NPI record last updated?

The NPPES record for Riley Williams was last updated on May 28, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.

Active since October 11, 2006Opted out of Medicare · through Jul 1, 2027

535 EAST 70TH STREET, SUITE 108, NEW YORK, NY 10021(212) 606-1855(212) 774-2895 Get Directions Write a Review

NPPES record last updated: May 28, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Riley J Williams Md NPPES

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

RILEY J WILLIAMS MD (NPI 1598853863) is an individual sports medicine provider in New York, New York, licensed in New York (1934351) and active in the NPI registry since October 2006. He has opted out of Medicare through July 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1598853863

Entity TypeIndividualMale

Primary Taxonomy207XX0005X

Provider Legal NameRILEY J WILLIAMSCredential: MD

Location Address535 EAST 70TH STREET, SUITE 108New York, NY 10021

Mailing Address535 East 70th StreetNew York, NY 10021 · (212) 606-1855 · Fax (212) 774-2895

Phone(212) 606-1855

Fax(212) 774-2895

Sole ProprietorYes

Enumeration DateOctober 11, 2006

Last NPPES UpdateMay 28, 2008

✔ NPI 1598853863 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic Surgery · Sports MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207XX0005X

License✔ Licensed in NY · 1934351

Definition

An orthopaedic surgeon trained in sports medicine provides appropriate care for all structures of the musculoskeletal system directly affected by participation in sporting activity. This specialist is proficient in areas including conditioning, training and fitness, athletic performance and the impact of dietary supplements, pharmaceuticals, and nutrition on performance and health, coordination of care within the team setting utilizing other health care professionals, field evaluation and management, soft tissue biomechanics and injury healing and repair. Knowledge and understanding of the principles and techniques of rehabilitation, athletic equipment and orthotic devices enables the specialist to prevent and manage athletic injuries.

Also ListedOrthopaedic SurgeryTaxonomy 207X00000X · License 193435 (NY)

535 EAST 70TH STREET, New York, NY 10021

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Other Identifiers 1

Medicare UPING70047NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Riley J Williams Md 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 July 1, 2013 through July 1, 2027.

Opt-Out Effective DateJuly 1, 2013

Opt-Out In Effect ThroughJuly 1, 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.

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.

STEFANO GHIRARDELLI M.D.

Student in an Organized Health Care Education/Training Program

535 EAST 70TH STREET
NEW YORK, NY 10021

New York County (917) 260-3820

DR. MOATH ABDALLAH HUSSEIN ALBASHAIREH

Student in an Organized Health Care Education/Training Program

535 EAST 70TH STREET
NEW YORK, NY 10021

New York County (212) 606-1000

MR. ANDREA PEZZI MD

Orthopaedic Surgery (Orthopaedic Surgery of the Spine)

535 EAST 70TH STREET, HSS-HOSPITAL FOR SPECIAL SURGERY
NEW YORK, NY 10021

New York County (212) 774-2302

MR. ALBERTO CARLI M.D.

Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)

535 EAST 70TH STREET
NEW YORK, NY 10021

New York County (212) 606-1000

NEW YORK SOCIETY FOR THE RELIEF OF THE RUPTURED AND CRIPPLED MAINTAINI

Special Hospital

535 EAST 70TH STREET, ATT: ED RANDAZZO BELAIRE 11K
NEW YORK, NY 10021

New York County (212) 772-2004

DR. MATTHEW EDWARD CUNNINGHAM MD PHD

Orthopaedic Surgery (Orthopaedic Surgery of the Spine)

535 EAST 70TH STREET
NEW YORK, NY 10021

New York County (212) 774-2515

CHRISTINE M YU M.D.

Internal Medicine

535 EAST 70TH STREET
NEW YORK, NY 10021

New York County (212) 606-1000

MS. SUSAN ELIZABETH BRAGG M.D.

Student in an Organized Health Care Education/Training Program

535 EAST 70TH STREET, HOSPITAL FOR SPECIAL SURGERY
NEW YORK, NY 10021

New York County (212) 606-1793

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 Riley Williams's NPI number?

The NPI number for Riley Williams is 1598853863. It was assigned to this individual provider in the NPPES registry on October 11, 2006.

Where is Riley Williams located?

Riley Williams practices at 535 East 70th Street Suite 108, New York, NY 10021. The listed phone number is (212) 606-1855.

What is Riley Williams's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Sports Medicine, with taxonomy code 207XX0005X.

Is Riley Williams enrolled in Medicare?

No. Riley Williams has opted out of Medicare through July 1, 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 Riley Williams was last updated on May 28, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.