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AARON TUNGYIN LIM
NPI 1568922326
Emergency Medicine in Stony Brook, NY

Active since March 20, 2019PECOS Enrolled
101 NICOLLS ROAD, HSC, L-4, RM 050, STONY BROOK, NY 11794(631) 444-2465 Get Directions Write a Review

NPPES record last updated: June 27, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Aaron Tungyin Lim NPPES

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

AARON TUNGYIN LIM (NPI 1568922326) is an individual emergency medicine provider in Stony Brook, New York, licensed in New York (320911) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1568922326
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameAARON TUNGYIN LIM
Location Address101 NICOLLS ROAD, HSC, L-4, RM 050Stony Brook, NY 11794-1859
Mailing Address101 Nicolls Road, Hsc, L-4, Rm 050Stony Brook, NY 11794-1859 · (631) 444-2465
Phone(631) 444-2465
Sole ProprietorNo
Enumeration DateMarch 20, 2019
Last NPPES UpdateJune 27, 2023
NPPES CertifiedJune 27, 2023
✔ NPI 1568922326 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in NY · 320911
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
101 NICOLLS ROAD, Stony Brook, NY 11794
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Aaron Tungyin Lim 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 Aaron Lim reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

New York University
1,067 mi
Cardiovascular Disease
3301 QUANTUM BLVD
Boynton Beach, FL 33426
  • Reassigned Medicare billing, New York enrollment
  • 7,712 clinicians in this Medicare group
NPI 1285826438 (877) 648-2964

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

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
247 services243 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
78 services78 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
21 services20 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11794 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
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
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.

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.

MUZAMMIL KHAN MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
101 NICOLLS ROAD, HSC T16-020
STONY BROOK, NY 11794
Suffolk County (631) 444-8478
JUSTIN ALEXANDER BELL MD
Anesthesiology
101 NICOLLS ROAD, DEPARTMENT OF ANESTHESIOLOGY, HSC LEVEL 4, ROOM 060
STONY BROOK, NY 11794
Suffolk County (631) 444-2975
PHILLIP YEUN
Student in an Organized Health Care Education/Training Program
101 NICOLLS ROAD, HEALTH SCIENCE CENTER T16, ROOM 020
STONY BROOK, NY 11794
Suffolk County (631) 444-7411
PRIYANKA RAMACHANDRA MD
Student in an Organized Health Care Education/Training Program
101 NICOLLS ROAD, DEPARTMENT OF SURGERY, HSC T-19, 030
STONY BROOK, NY 11794
Suffolk County (631) 444-1791
DR. GABRIELLA NICOLE PINHO M.D.
Obstetrics & Gynecology
101 NICOLLS ROAD, HSC 9, ROOM 020
MOUNT SINDAI, NY 11794
Suffolk County (631) 444-3987
DR. BAHAA E DAOUD MD
Anesthesiology
101 NICOLLS ROAD, HSC LEVEL 4 ROOM 60
STONY BROOK, NY 11794
Suffolk County (631) 444-2078
DR. ALLISON PERNICE MD
Student in an Organized Health Care Education/Training Program
101 NICOLLS ROAD, DEPARTMENT OF SURGERY, HSC T-19, 030
STONY BROOK, NY 11794
Suffolk County (631) 444-1791
DR. DAWEI WU DO
Student in an Organized Health Care Education/Training Program
101 NICOLLS ROAD, HEALTH SCIENCES CENTER LEVEL 4, ROOM 176
STONY BROOK, NY 11794
Suffolk County (631) 638-8517

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 Aaron Lim's NPI number?

The NPI number for Aaron Lim is 1568922326. It was assigned to this individual provider in the NPPES registry on March 20, 2019.

Where is Aaron Lim located?

Aaron Lim practices at 101 Nicolls Road Hsc, L-4, Rm 050, Stony Brook, NY 11794. The listed phone number is (631) 444-2465.

What is Aaron Lim's specialty?

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

Is Aaron Lim enrolled in Medicare?

Yes. Aaron Lim is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Aaron Lim's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Lim reassigns Medicare benefits to New York University (Boynton Beach, FL). 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 Aaron Lim'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 Aaron Lim was last updated on June 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.