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AILIAN CHEN MD
NPI 1831298801
Internal Medicine - Endocrinology, Diabetes & Metabolism in Great Neck, NY

Active since September 22, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 33D2232291 · Waiver
7 BOND ST STE 1A, GREAT NECK, NY 11021(516) 330-1313(516) 344-5267 Get Directions Write a Review

NPPES record last updated: June 16, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 16, 2025, Apr 21, 2020, Oct 26, 2017 (3 updates tracked since 2017).

About Ailian Chen Md NPPES

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

AILIAN CHEN MD (NPI 1831298801) is an individual endocrinology, diabetes & metabolism provider in Great Neck, New York, licensed in New York (197199) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through August 11, 2027, and is a graduate of Other (1985).

NPPES Registry Identity

NPI1831298801
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameAILIAN CHENCredential: MD
Location Address7 BOND ST STE 1AGreat Neck, NY 11021-2412
Mailing Address7 Bond St Ste 1aGreat Neck, NY 11021-2412 · (516) 330-1313 · Fax (516) 344-5267
Phone(516) 330-1313
Fax(516) 344-5267
Sole ProprietorYes
Medical School CMSOtherGraduated 1985
Enumeration DateSeptember 22, 2006
Last NPPES UpdateJune 16, 20253 updates tracked since enumeration
NPPES CertifiedJune 16, 2025
✔ NPI 1831298801 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in NY · 197199
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
7 BOND ST STE 1A, Great Neck, NY 11021
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Other Identifiers 1

Medicaid01729973NY

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

Ailian Chen 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 ID3870574510
PECOS Enrollment IDI20040527000842
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 33D2232291

Ailian Chen MD PC · Great Neck, NY
Active · expires Aug 11, 2027
CLIA Number33D2232291
Laboratory TypePhysician Office
Certificate Effective DateAugust 12, 2025
Certificate Expiration DateAugust 11, 2027
Laboratory DirectorDr. Ailian Chen
Laboratory Phone(917) 935-5122
Laboratory LocationAilian Chen MD PC7 Bond Street Unit 1A, Great Neck, NY 11021
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 4

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

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
164 services79 patients
Ultrasound scan of head and neck soft tissue 76536
An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.
63 services53 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
20 services20 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
18 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11021 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
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
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 4

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
25 suppliers72 claims216 services$6.37 avg. paid by Medicare
Normal, low and high calibrator solution / chips A4256
DME-Other DME · category DE000N
3 suppliers12 claims12 services$2.96 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
11 suppliers27 claims44 services$1.12 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
4 suppliers36 claims36 services$200.25 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 Ailian Chen's NPI number?

The NPI number for Ailian Chen is 1831298801. It was assigned to this individual provider in the NPPES registry on September 22, 2006.

Where is Ailian Chen located?

Ailian Chen practices at 7 Bond St Ste 1A, Great Neck, NY 11021. The listed phone number is (516) 330-1313.

What is Ailian Chen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Ailian Chen enrolled in Medicare?

Yes. Ailian Chen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Does Ailian Chen hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 33D2232291) is associated with this NPI, valid through August 11, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Ailian Chen was last updated on June 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.