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GARY WAYNE STALLINGS II M.D., M.P.H.
NPI 1497974380
Internal Medicine in Mount Kisco, NY

Active since April 25, 2007PECOS EnrolledAccepts Medicare Assignment
91.25/100
CMS Quality Rating
400 E MAIN ST DEPT MEDICINE, MOUNT KISCO, NY 10549(914) 362-6008(914) 666-1930 Get Directions Write a Review

NPPES record last updated: May 20, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Gary Wayne Stallings Ii M.d., M.p.h. NPPES

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

GARY WAYNE STALLINGS II M.D., M.P.H. (NPI 1497974380) is an individual internal medicine provider in Mount Kisco, New York, licensed in New York (248087) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS and is a graduate of Tulane University School Of Medicine (2004).

NPPES Registry Identity

NPI1497974380
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameGARY WAYNE STALLINGS IICredential: M.D., M.P.H.
Location Address400 E MAIN ST DEPT MEDICINEMount Kisco, NY 10549-3417
Mailing Address400 E Main StMount Kisco, NY 10549-3417 · (914) 362-6008 · Fax (914) 666-1930
Phone(914) 362-6008
Fax(914) 666-1930
Sole ProprietorNo
Medical School CMSTulane University School Of MedicineGraduated 2004
Enumeration DateApril 25, 2007
Last NPPES UpdateMay 20, 2024
NPPES CertifiedMay 20, 2024
✔ NPI 1497974380 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in NY · 248087✔ Licensed in LA · MD.200358
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
400 E MAIN ST DEPT MEDICINE, Mount Kisco, NY 10549
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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

Gary Wayne Stallings Ii M.d., M.p.h. 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 ID1658470893
PECOS Enrollment IDI20081007000357
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 Gary Stallings reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

North Shore-Lij Medical PC
28 mi
Urology
1010 NORTHERN BLVD STE 110
Great Neck, NY 11021
  • Reassigned Medicare billing, New York enrollment
  • 9,353 clinicians in this Medicare group
NPI 1053688572 (516) 321-7400

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10549 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

91.25/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality74.92
Promoting Interoperability91.67
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 Gary Stallings's NPI number?

The NPI number for Gary Stallings is 1497974380. It was assigned to this individual provider in the NPPES registry on April 25, 2007.

Where is Gary Stallings located?

Gary Stallings practices at 400 E Main St Dept Medicine, Mount Kisco, NY 10549. The listed phone number is (914) 362-6008.

What is Gary Stallings's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Gary Stallings enrolled in Medicare?

Yes. Gary Stallings 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 Gary Stallings's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gary Stallings reassigns Medicare benefits to North Shore-Lij Medical PC (Great Neck, 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 Gary Stallings'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 Gary Stallings was last updated on May 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.