DR. ALANA A CHOY-SHAN MD
NPI 1912103540
Internal Medicine - Cardiovascular Disease in New York, NY

Active since June 21, 2007PECOS EnrolledAccepts Medicare Assignment
423 E 23RD ST, NEW YORK, NY 10010(646) 584-9852 Get Directions Write a Review

NPPES record last updated: September 24, 2014. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Alana A Choy-shan Md NPPES

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

DR. ALANA A CHOY-SHAN MD (NPI 1912103540) is an individual cardiovascular disease provider in New York, New York, licensed in New York (239212) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS, is affiliated with Nyu Langone Hospitals, and is a graduate of New York University School Of Medicine (2004).

NPPES Registry Identity

NPI1912103540
Entity TypeIndividualFemale
Primary Taxonomy207RC0000X
Provider Legal NameDR. ALANA A CHOY-SHANCredential: MD
Location Address423 E 23RD STNew York, NY 10010-5011
Mailing Address423 E 23rd StNew York, NY 10010-5011 · (646) 584-9852
Sole ProprietorNo
Medical School CMSNew York University School Of MedicineGraduated 2004
Enumeration DateJune 21, 2007
Last NPPES UpdateSeptember 24, 2014
NPI 1912103540 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in NY · 239212
Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

423 E 23RD ST, New York, NY 10010

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Alana A Choy-shan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3577732247
PECOS Enrollment IDI20110815000314
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.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016
An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.
288 services288 patients
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018
An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.
270 services270 patients
Nuclear medicine studies of heart muscle at rest and with stress and spect 78452
Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.
209 services209 patients

Hospital Affiliations CMS Care Compare

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

Nyu Langone Hospitals

Acute Care Hospitals · New York, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330214
Location550 First AvenueNew York, NY 10016 · New York County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10010 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
$81.44 typical visit price
range $21.20 – $160.66
Typical copayment $20.36 (range $5.30 – $40.16)
Most-billed visit code 99213
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.

Psychiatry & Neurology (Psychiatry)
423 E 23RD ST
NEW YORK, NY 10010
Internal Medicine (Gastroenterology)
423 E 23RD ST, NEW YORK VA HOSPITAL
NEW YORK, NY 10010
Emergency Medicine (Emergency Medical Services)
423 E 23RD ST
NEW YORK, NY 10010
Anesthesiology
423 E 23RD ST
NEW YORK, NY 10010
Internal Medicine (Infectious Disease)
423 E 23RD ST
NEW YORK, NY 10010
Pharmacist
423 E 23RD ST
NEW YORK, NY 10010
Nurse Practitioner (Gerontology)
423 E 23RD ST
NEW YORK, NY 10010
Internal Medicine (Gastroenterology)
423 E 23RD ST
NEW YORK, NY 10010

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1912103540, enumerated as an "individual" on June 21, 2007.

The provider is located at 423 E 23RD ST NEW YORK, NY 10010 and the phone number is (646) 584-9852.

Internal Medicine with taxonomy code 207RC0000X and a focus in Cardiovascular Disease.

Alana Choy-shan is affiliated with: NYU LANGONE HOSPITALS.