DR. GREGORY SCOTT DIFELICE M.D.
NPI 1639148208
Orthopaedic Surgery - Sports Medicine in New York, NY

Q: What is Gregory Difelice's NPI number?

The NPI number for Gregory Difelice is 1639148208. It was assigned to this individual provider in the NPPES registry on March 16, 2006.

Q: What is Gregory Difelice's specialty?

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

Q: Is Gregory Difelice enrolled in Medicare?

No. Gregory Difelice has opted out of Medicare through April 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 Gregory Difelice was last updated on May 16, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since March 16, 2006Opted out of Medicare · through Apr 1, 2027

75/100

CMS Quality Rating

535 E 70TH ST, NEW YORK, NY 10021(212) 606-1844(212) 746-8744 Get Directions Write a Review

NPPES record last updated: May 16, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: May 16, 2025, Nov 7, 2024, Oct 7, 2024 and 3 more (6 updates tracked since 2016).

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About Dr. Gregory Scott Difelice M.d. NPPES

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

DR. GREGORY SCOTT DIFELICE M.D. (NPI 1639148208) is an individual sports medicine provider in New York, New York, licensed in New York (202532) and active in the NPI registry since March 2006. He has opted out of Medicare through April 1, 2027 and remains eligible to order and refer, is affiliated with Hospital For Special Surgery, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1639148208

Entity TypeIndividualMale

Primary Taxonomy207XX0005X

Provider Legal NameDR. GREGORY SCOTT DIFELICECredential: M.D.

Location Address535 E 70TH STNew York, NY 10021

Mailing Address535 E 70th StNew York, NY 10021-4823 · (212) 606-1844 · Fax (212) 746-8744

Phone(212) 606-1844

Fax(212) 746-8744

Sole ProprietorYes

Medical School CMSRutgers New Jersey Medical SchoolGraduated 1994

Enumeration DateMarch 16, 2006

Last NPPES UpdateMay 16, 20256 updates tracked since enumeration

NPPES CertifiedMay 16, 2025

✔ NPI 1639148208 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic Surgery · Sports MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207XX0005X

Licenses✔ Licensed in NY · 202532✔ Licensed in NJ · 25MA09393500

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 Surgery · Adult Reconstructive Orthopaedic SurgeryTaxonomy 207XS0114X · License 202532 (NY)

535 E 70TH ST, New York, NY 10021

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Secondary Practice Locations 3

Location 1400 Franklin Tpke Ste 200Mahwah, NJ 07430-3518 · Phone (212) 606-1844 · Fax (212) 746-8744

Location 215 E Midland Ave Ste AParamus, NJ 07652-2938 · Phone (212) 606-1844 · Fax (212) 746-8744

Location 3523 E 72nd St Fl 2New York, NY 10021-4099 · Phone (212) 606-1844 · Fax (212) 746-8744

Other Identifiers 3

Other202532NY · State License

Medicaid02152321NY

Other25MA09393500NJ · State License

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Gregory Scott Difelice 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 April 1, 2025 through April 1, 2027.

Opt-Out Effective DateApril 1, 2025

Opt-Out In Effect ThroughApril 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.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

498 services60 patients

Aspiration and/or injection of fluid large joint using ultrasound guidance 20611

This procedure involves using ultrasound technology to accurately locate a large joint, usually the knee or shoulder. A needle is then inserted to either extract fluid (aspiration) or inject medication. The ultrasound helps ensure precision and safety.

167 services95 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

128 services103 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

90 services90 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

77 services77 patients

Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose J7323

Hyaluronan or Euflexxa is a substance similar to a natural substance in your joints. It's injected into the joint space to treat pain from osteoarthritis, especially in the knee. It helps to lubricate the joint, reducing pain and improving mobility.

76 services17 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hospital For Special Surgery

Acute Care Hospitals · New York, NY

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330270

Location535 East 70th StreetNew York, NY 10021 · New York County

Emergency services

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

75/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Reported Quality Measures

Risk-standardized complication rate (RSCR) following elective primary total hip arthroplasty (THA) and/or total knee arthroplasty (TKA) for Merit-based Incentive Payment System (MIPS)

Lower rates are better for this measure.

0.02%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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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.

SARAH E. MCCORD PA-C

Physician Assistant (Surgical)