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ALEXANDER IP MD
NPI 1669122156
Anesthesiology in White Plains, NY

Active since March 27, 2022PECOS Enrolled
41 E POST RD, WHITE PLAINS, NY 10601(914) 681-0600 Get Directions Write a Review

NPPES record last updated: August 12, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 12, 2026, Jun 1, 2026, Jun 17, 2023 (3 updates tracked since 2023).

About Alexander Ip Md NPPES

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

ALEXANDER IP MD (NPI 1669122156) is an individual anesthesiology provider in White Plains, New York, licensed in New York (343678) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of George Washington University School Of Medicine (2022).

NPPES Registry Identity

NPI1669122156
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameALEXANDER IPCredential: MD
Location Address41 E POST RDWhite Plains, NY 10601-4607
Mailing Address593 Eddy StProvidence, RI 02903-4923 · (451) 444-5172 · Fax (401) 444-5090
Phone(914) 681-0600
Sole ProprietorNo
Medical School CMSGeorge Washington University School Of MedicineGraduated 2022
Enumeration DateMarch 27, 2022
Last NPPES UpdateAugust 12, 20263 updates tracked since enumeration
NPPES CertifiedAugust 12, 2026
✔ NPI 1669122156 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in NY · 343678✔ Licensed in RI · MD21256
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
41 E POST RD, White Plains, NY 10601
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Secondary Practice Locations 3

Location 1226 Westchester AveWhite Plains, NY 10604-2917 · Phone (914) 437-9910
Location 2593 Eddy StProvidence, RI 02903-4923 · Phone (401) 444-5172 · Fax (401) 444-5090
Location 33800 Reservoir Rd NWWashington, DC 20007-2113 · Phone (202) 444-5022 · Fax (202) 444-7987

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alexander Ip Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6103286679
PECOS Enrollment IDI20260824004125
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 Alexander Ip reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

North American Partners In Anesthesia LLP
25 mi
Anesthesiology
1305 WALT WHITMAN RD STE 300
Melville, NY 11747
  • Reassigned Medicare billing, New York enrollment
  • 508 clinicians in this Medicare group
NPI 1649264706 (516) 945-3000

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

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.

WHITE PLAINS CARDIOLOGY AND NEUROLOGY ASSOCIATES,P.C.
Specialist
41 E POST RD
WHITE PLAINS, NY 10601
Westchester County (914) 948-3630
WEILL MEDICAL COLLEGE OF CORNELL UNIVERSITY
Internal Medicine (Cardiovascular Disease)
41 E POST RD
WHITE PLAINS, NY 10601
Westchester County (914) 681-0600
MR. OBIOMA GODSWILL ATUFUNWA PA
Physician Assistant
41 E POST RD
WHITE PLAINS, NY 10601
Westchester County (914) 681-0600
SAAD MOHAMMAD MD
Anesthesiology
41 E POST RD
WHITE PLAINS, NY 10601
Westchester County (914) 681-2663
DR. KENWARD YUE M.D.
Anesthesiology
41 E POST RD
WHITE PLAINS, NY 10601
Westchester County (914) 681-0600
JOSEPHINE CASH
Nurse Anesthetist, Certified Registered
41 E POST RD
WHITE PLAINS, NY 10601
Westchester County (914) 681-0600
ISABELLA MARTYNA CHOJNACKI MD
Internal Medicine
41 E POST RD
WHITE PLAINS, NY 10601
Westchester County (914) 681-0600
DR. SHARON D NEEMAN M.D.
Psychiatry & Neurology (Psychiatry)
41 E POST RD, DEPARTMET OF BEHAVIORAL HEALTH
WHITE PLAINS, NY 10601
Westchester County (914) 681-2573

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 Alexander Ip's NPI number?

The NPI number for Alexander Ip is 1669122156. It was assigned to this individual provider in the NPPES registry on March 27, 2022.

Where is Alexander Ip located?

Alexander Ip practices at 41 E Post Rd, White Plains, NY 10601. The listed phone number is (914) 681-0600.

What is Alexander Ip's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Alexander Ip enrolled in Medicare?

Yes. Alexander Ip is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alexander Ip's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Ip reassigns Medicare benefits to North American Partners In Anesthesia LLP (Melville, 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 Alexander Ip'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 Alexander Ip was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.