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MACKENZI NICOLE PRESTON MD
NPI 1356500599
Hospitalist in New York, NY

Active since June 03, 2008PECOS Enrolled
100/100
CMS Quality Rating
505 E 70TH ST FL 5, NEW YORK, NY 10021(212) 746-3303(212) 746-8458 Get Directions Write a Review

NPPES record last updated: August 4, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 4, 2025, May 11, 2020 (2 updates tracked since 2020).

About Mackenzi Nicole Preston Md NPPES

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

MACKENZI NICOLE PRESTON MD (NPI 1356500599) is an individual hospitalist provider in New York, New York, licensed in New York (261915) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1356500599
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameMACKENZI NICOLE PRESTONCredential: MD
Location Address505 E 70TH ST FL 5New York, NY 10021-4872
Mailing Address525 E 68th St # 139New York, NY 10065-4870 · (212) 746-3057 · Fax (212) 746-8503
Phone(212) 746-3303
Fax(212) 746-8458
Sole ProprietorNo
Enumeration DateJune 3, 2008
Last NPPES UpdateAugust 4, 20252 updates tracked since enumeration
NPPES CertifiedAugust 4, 2025
✔ NPI 1356500599 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in NY · 261915
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedPediatricsTaxonomy 208000000X · License 261915 (NY)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
505 E 70TH ST FL 5, New York, NY 10021
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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 (PECOS)

Mackenzi Nicole Preston Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Mackenzi Preston reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Weill Medical College Of Cornell University
Same address
Internal Medicine
505 E 70TH ST, BOX 585
New York, NY 10021
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Weill Medical College Of Cornell
  • 980 clinicians in this Medicare group
NPI 1487933081 (212) 590-5741

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 10021 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
$150.24 typical visit price
range $65.69 – $198.19
Typical copayment $37.56 (range $16.42 – $49.54)
Most-billed visit code 99204
Established Patient
$114.88 typical visit price
range $21.20 – $160.66
Typical copayment $28.72 (range $5.30 – $40.16)
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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.8
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES

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

DR. CLAIRE DEANGELIS GANAL M.D.
Pediatrics
505 E 70TH ST FL 5
NEW YORK, NY 10021
New York County (212) 746-3309

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 Mackenzi Preston's NPI number?

The NPI number for Mackenzi Preston is 1356500599. It was assigned to this individual provider in the NPPES registry on June 3, 2008.

Where is Mackenzi Preston located?

Mackenzi Preston practices at 505 E 70th St Fl 5, New York, NY 10021. The listed phone number is (212) 746-3303.

What is Mackenzi Preston's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Mackenzi Preston enrolled in Medicare?

Yes. Mackenzi Preston is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mackenzi Preston's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mackenzi Preston reassigns Medicare benefits to Weill Medical College Of Cornell University (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 Mackenzi Preston'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 Mackenzi Preston was last updated on August 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.