1. Home
  2. Directory
  3. New York
  4. Commack
  5. Specialist
  6. NPI Profile

DR. JAMES R. STELLING M.D.
NPI 1427034933
Specialist in Commack, NY

Active since December 16, 2005PECOS EnrolledAccepts Medicare Assignment
98.52/100
CMS Quality Rating
500 COMMACK RD UNIT 202, COMMACK, NY 11725(631) 638-4600(631) 638-4601 Get Directions Write a Review

NPPES record last updated: March 29, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. James R. Stelling M.d. NPPES

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

DR. JAMES R. STELLING M.D. (NPI 1427034933) is an individual specialist in Commack, New York, licensed in New York (199643) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of State University Of New York At Stony Brook, School Of Medicine (1992).

NPPES Registry Identity

NPI1427034933
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDR. JAMES R. STELLINGCredential: M.D.
Location Address500 COMMACK RD UNIT 202Commack, NY 11725-5022
Mailing AddressPo Box 1559Stony Brook, NY 11790-0989 · (631) 638-4600 · Fax (631) 638-4601
Phone(631) 638-4600
Fax(631) 638-4601
Sole ProprietorNo
Medical School CMSState University Of New York At Stony Brook, School Of MedicineGraduated 1992
Enumeration DateDecember 16, 2005
Last NPPES UpdateMarch 29, 2019
✔ NPI 1427034933 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in NY · 199643
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.
500 COMMACK RD UNIT 202, Commack, NY 11725
Open in Google Maps ↗

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. James R. Stelling 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 ID7315294949
PECOS Enrollment IDI20180727000533
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 James Stelling reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Associates In Obstetrics & Gynecology, University Faculty P
11 mi
Obstetrics & Gynecology
100 NICOLLS RD, SUNY @ STONY BROOK HSC, L9, RM 020
Stony Brook, NY 11794
  • Reassigned Medicare billing, New York enrollment
  • 125 clinicians in this Medicare group
NPI 1538114723 (631) 444-2731

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.

98.52/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.85
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. CHANTAE SULLIVAN-PYKE MD, MTR
Obstetrics & Gynecology (Reproductive Endocrinology)
500 COMMACK RD UNIT 202
COMMACK, NY 11725
Suffolk County (631) 638-4600
LAUREN ZAKARIN SAFIER MD
Obstetrics & Gynecology (Reproductive Endocrinology)
500 COMMACK RD UNIT 202
COMMACK, NY 11725
Suffolk County (631) 638-4600
SUSAN M MARFOGLIO NP
Nurse Practitioner
500 COMMACK RD UNIT 202
COMMACK, NY 11725
Suffolk County (631) 638-4600
AVNER HERSHLAG MD
Obstetrics & Gynecology (Reproductive Endocrinology)
500 COMMACK RD UNIT 202
COMMACK, NY 11725
Suffolk County (516) 562-2229
EILEEN LAURA CORRADO WHNP-BC
Nurse Practitioner (Women's Health)
500 COMMACK RD UNIT 202
COMMACK, NY 11725
Suffolk County (631) 638-4600

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 James Stelling's NPI number?

The NPI number for James Stelling is 1427034933. It was assigned to this individual provider in the NPPES registry on December 16, 2005.

Where is James Stelling located?

James Stelling practices at 500 Commack Rd Unit 202, Commack, NY 11725. The listed phone number is (631) 638-4600.

What is James Stelling's specialty?

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

Is James Stelling enrolled in Medicare?

Yes. James Stelling 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 James Stelling's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Stelling reassigns Medicare benefits to University Associates In Obstetrics & Gynecology, University Faculty P (Stony Brook, 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 James Stelling'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 James Stelling was last updated on March 29, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.