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DR. JUSTIN THEODORE GERSTLE M.D.
NPI 1861795569
Surgery - Pediatric Surgery in New York, NY

Active since December 19, 2010PECOS EnrolledAccepts Medicare Assignment
90.76/100
CMS Quality Rating
1275 YORK AVE STE H-1315, NEW YORK, NY 10065(212) 639-7003 Get Directions Write a Review

NPPES record last updated: March 5, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Justin Theodore Gerstle M.d. NPPES

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

DR. JUSTIN THEODORE GERSTLE M.D. (NPI 1861795569) is an individual pediatric surgery provider in New York, New York, licensed in New York (294183-1) and active in the NPI registry since December 2010. He is enrolled in Medicare PECOS and is a graduate of Geisel School Of Medicine At Dartmouth (1988).

NPPES Registry Identity

NPI1861795569
Entity TypeIndividualMale
Primary Taxonomy2086S0120X
Provider Legal NameDR. JUSTIN THEODORE GERSTLECredential: M.D.
Location Address1275 YORK AVE STE H-1315New York, NY 10065-6007
Mailing Address1275 York Ave Ste H-1315New York, NY 10065-6007 · (212) 639-7003
Phone(212) 639-7003
Sole ProprietorNo
Medical School CMSGeisel School Of Medicine At DartmouthGraduated 1988
Enumeration DateDecember 19, 2010
Last NPPES UpdateMarch 5, 2023
NPPES CertifiedMarch 5, 2023
✔ NPI 1861795569 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Pediatric SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0120X
License✔ Licensed in NY · 294183-1
Definition
A surgeon with expertise in the management of surgical conditions in premature and newborn infants, children and adolescents.
1275 YORK AVE STE H-1315, New York, NY 10065
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include WellSense Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Justin Theodore Gerstle M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1850640459
PECOS Enrollment IDI20180815000817
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 Reassignment

Medicare enrollment records show Justin Gerstle reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mskcc Surgery Group
Same address
Surgical Oncology
1275 YORK AVE
New York, NY 10021
  • Reassigned Medicare billing, New York enrollment
  • 452 clinicians in this Medicare group
NPI 1699766261 (646) 227-3813

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

90.76/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality87.87
Improvement Activities40

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 Justin Gerstle's NPI number?

The NPI number for Justin Gerstle is 1861795569. It was assigned to this individual provider in the NPPES registry on December 19, 2010.

Where is Justin Gerstle located?

Justin Gerstle practices at 1275 York Ave Ste H-1315, New York, NY 10065. The listed phone number is (212) 639-7003.

What is Justin Gerstle's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Pediatric Surgery, with taxonomy code 2086S0120X.

Is Justin Gerstle enrolled in Medicare?

Yes. Justin Gerstle is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Justin Gerstle's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Justin Gerstle reassigns Medicare benefits to Mskcc Surgery Group (New York, NY). The 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 Justin Gerstle's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Justin Gerstle accept?

Health plans from WellSense Health Plan list Justin Gerstle as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Justin Gerstle was last updated on March 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.