KATHERINE MARIKO MARKIN MD
NPI 1851033237
Emergency Medicine in New York, NY

Active since April 07, 2022PECOS Enrolled
550 1ST AVE, NEW YORK, NY 10016(646) 929-7800 Get Directions Write a Review

NPPES record last updated: July 1, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Katherine Mariko Markin Md NPPES

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

KATHERINE MARIKO MARKIN MD (NPI 1851033237) is an individual emergency medicine provider in New York, New York, licensed in New York (342730) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1851033237
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameKATHERINE MARIKO MARKINCredential: MD
Location Address550 1ST AVENew York, NY 10016-6402
Mailing Address550 1st AveNew York, NY 10016-6402
Sole ProprietorYes
Enumeration DateApril 7, 2022
Last NPPES UpdateJuly 1, 2026
NPPES CertifiedJuly 1, 2026
✔ NPI 1851033237 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in NY · 342730
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
550 1ST AVE, New York, NY 10016

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katherine Mariko Markin 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10016 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
$102.04 typical visit price
range $65.69 – $198.19
Typical copayment $25.51 (range $16.42 – $49.54)
Most-billed visit code 99203
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.

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.

Internal Medicine
550 1ST AVE
NEW YORK, NY 10016
Emergency Medicine (Pediatric Emergency Medicine)
550 1ST AVE
NEW YORK, NY 10016
Allergy & Immunology
550 1ST AVE, NBV 16N30, INTERNAL MEDICINE RESIDENCY PROGRAM
NEW YORK, NY 10016
Student in an Organized Health Care Education/Training Program
550 1ST AVE
NEW YORK, NY 10016
Radiology (Vascular & Interventional Radiology)
550 1ST AVE
NEW YORK, NY 10016
Surgery
550 1ST AVE
NEW YORK, NY 10016
Student in an Organized Health Care Education/Training Program
550 1ST AVE
NEW YORK, NY 10016
Student in an Organized Health Care Education/Training Program
550 1ST AVE
NEW YORK, NY 10016

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 Katherine Markin's NPI number?

The NPI number for Katherine Markin is 1851033237. It was assigned to this individual provider in the NPPES registry on April 7, 2022.

Where is Katherine Markin located?

Katherine Markin practices at 550 1st Ave, New York, NY 10016. The listed phone number is (646) 929-7800.

What is Katherine Markin's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Katherine Markin enrolled in Medicare?

Yes. Katherine Markin is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Katherine Markin was last updated on July 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.