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DR. ALEXANDER K. CHOI M.D.
NPI 1104818640
Internal Medicine in Flushing, NY

Active since August 19, 2005PECOS Enrolled
38-34 PARSONS BLVD., SUITE #1D, FLUSHING, NY 11354(718) 762-1710(718) 762-1753 Get Directions Write a Review

NPPES record last updated: September 29, 2008. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. Alexander K. Choi M.d. NPPES

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

DR. ALEXANDER K. CHOI M.D. (NPI 1104818640) is an individual internal medicine provider in Flushing, New York, licensed in New York (163896-1) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1104818640
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ALEXANDER K. CHOICredential: M.D.
Location Address38-34 PARSONS BLVD., SUITE #1DFlushing, NY 11354-6101
Mailing Address38-34 Parsons Blvd., Suite #1dFlushing, NY 11354-6101 · (718) 762-1710 · Fax (718) 762-1753
Phone(718) 762-1710
Fax(718) 762-1753
Sole ProprietorNo
Enumeration DateAugust 19, 2005
Last NPPES UpdateSeptember 29, 2008
✔ NPI 1104818640 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 163896-1
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.
38-34 PARSONS BLVD., Flushing, NY 11354
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Other Identifiers 3

Medicare UPIND80895NY
Medicare PIN07442GNY
Medicaid02278408NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alexander K. Choi M.d. 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 Alexander Choi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Choi Medical Services PLLC
Same address
Internal Medicine
3834 PARSONS BLVD, SUITE# 1D
Flushing, NY 11354
  • Reassigned Medicare billing, New York enrollment
  • 2 clinicians in this Medicare group
NPI 1447464185 (718) 762-1710

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 11354 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
$153.13 typical visit price
range $67.00 – $201.98
Typical copayment $38.28 (range $16.75 – $50.49)
Most-billed visit code 99204
Established Patient
$116.96 typical visit price
range $21.62 – $163.52
Typical copayment $29.24 (range $5.40 – $40.88)
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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
7 suppliers45 claims54 services$4.86 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
6 suppliers20 claims20 services$0.96 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Choi's NPI number?

The NPI number for Alexander Choi is 1104818640. It was assigned to this individual provider in the NPPES registry on August 19, 2005.

Where is Alexander Choi located?

Alexander Choi practices at 38-34 Parsons Blvd. Suite #1d, Flushing, NY 11354. The listed phone number is (718) 762-1710.

What is Alexander Choi's specialty?

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

Is Alexander Choi enrolled in Medicare?

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

Which organization bills Medicare for Alexander Choi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Choi reassigns Medicare benefits to Choi Medical Services PLLC (Flushing, 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 Choi'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 Choi was last updated on September 29, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.