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MARIA YVONNE MULLIGAN-BUCKMILLER MD
NPI 1083295356
Emergency Medicine in New York, NY

Active since April 19, 2021PECOS Enrolled
550 1ST AVE, NEW YORK, NY 10016(212) 263-5506 Get Directions Write a Review

NPPES record last updated: May 11, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 11, 2026, May 16, 2025, Apr 19, 2021 (3 updates tracked since 2021).

About Maria Yvonne Mulligan-buckmiller Md NPPES

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

MARIA YVONNE MULLIGAN-BUCKMILLER MD (NPI 1083295356) is an individual emergency medicine provider in New York, New York, licensed in New York (343063) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Howard County Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1083295356
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameMARIA YVONNE MULLIGAN-BUCKMILLERCredential: MD
Location Address550 1ST AVENew York, NY 10016-6402
Mailing Address1650 Grand ConcourseBronx, NY 10457-7679 · (718) 992-7669
Phone(212) 263-5506
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 2021
Enumeration DateApril 19, 2021
Last NPPES UpdateMay 11, 20263 updates tracked since enumeration
NPPES CertifiedMay 11, 2026
✔ NPI 1083295356 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in NY · 343063✔ Licensed in MD · D0103405
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
Open in Google Maps ↗

Secondary Practice Locations 2

Location 15755 Cedar LnColumbia, MD 21044-2912 · Phone (410) 740-7544 · Fax (410) 740-7561
Location 21650 Grand ConcourseBronx, NY 10457-7679 · Phone (718) 992-7669

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Maria Yvonne Mulligan-buckmiller Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID840719332
PECOS Enrollment IDI20250528002039, I20260515001787
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 Reassignments

2

Medicare enrollment records show Maria Mulligan-buckmiller reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Bronxcare Health System
7.2 mi
Psychiatry
1276 FULTON AVE
Bronx, NY 10456
  • Reassigned Medicare billing, New York enrollment
  • 795 clinicians in this Medicare group
NPI 1073806519 (718) 901-8920
Johns Hopkins University
149 mi
Ophthalmology
4692 MILLENNIUM DRIVE, SUITE 200
Belcamp, MD 21017
  • Reassigned Medicare billing, Maryland enrollment
  • 4,483 clinicians in this Medicare group
NPI 1376342774 (410) 000-0000

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Johns Hopkins Howard County Medical Center

Acute Care Hospitals · Columbia, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210048
Location5755 Cedar LaneColumbia, MD 21044 · Howard County
Emergency services Birthing friendly

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.

DR. SHARON URALIL D.O.
Internal Medicine
550 1ST AVE
NEW YORK, NY 10016
New York County (212) 263-3293
DR. DIANA TREVAS FLEISHER
Emergency Medicine (Pediatric Emergency Medicine)
550 1ST AVE
NEW YORK, NY 10016
New York County (212) 263-3293
DR. MONICA GUPTA M.D.
Allergy & Immunology
550 1ST AVE, NBV 16N30, INTERNAL MEDICINE RESIDENCY PROGRAM
NEW YORK, NY 10016
New York County (212) 263-6397
CHRISTINE CHAN M.D.
Student in an Organized Health Care Education/Training Program
550 1ST AVE
NEW YORK, NY 10016
New York County (212) 263-5506
DR. MATTHEW CHIARELLO MD
Radiology (Vascular & Interventional Radiology)
550 1ST AVE
NEW YORK, NY 10016
New York County (212) 263-5506
DR. MEGAN ELIZABETH JENKINS M.D.
Surgery
550 1ST AVE
NEW YORK, NY 10016
New York County (212) 263-7300
DR. MANAN PATEL M.D.
Student in an Organized Health Care Education/Training Program
550 1ST AVE
NEW YORK, NY 10016
New York County (212) 263-5506
VICKY CHIANG
Student in an Organized Health Care Education/Training Program
550 1ST AVE
NEW YORK, NY 10016
New York County (212) 263-5506

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 Maria Mulligan-buckmiller's NPI number?

The NPI number for Maria Mulligan-buckmiller is 1083295356. It was assigned to this individual provider in the NPPES registry on April 19, 2021.

Where is Maria Mulligan-buckmiller located?

Maria Mulligan-buckmiller practices at 550 1st Ave, New York, NY 10016. The listed phone number is (212) 263-5506.

What is Maria Mulligan-buckmiller's specialty?

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

Is Maria Mulligan-buckmiller enrolled in Medicare?

Yes. Maria Mulligan-buckmiller is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Maria Mulligan-buckmiller's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Mulligan-buckmiller reassigns Medicare benefits to 2 organizations: Bronxcare Health System (Bronx, NY) and Johns Hopkins University (Belcamp, MD). Each 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 Maria Mulligan-buckmiller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Maria Mulligan-buckmiller affiliated with any hospitals?

According to CMS data, Maria Mulligan-buckmiller is affiliated with Johns Hopkins Howard County Medical Center.

When was this NPI record last updated?

The NPPES record for Maria Mulligan-buckmiller was last updated on May 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.