DR. LIYING CHEN M.D.
NPI 1124275813
Hospitalist in Rockville Centre, NY

NPI Status: Active since August 25, 2008

Contact Information

1000 N VILLAGE AVE
LONG ISLAND EMERGENCY CARE, P.C.
ROCKVILLE CENTRE, NY
ZIP 11570
Phone: (516) 705-2854
Fax: (516) 705-2011

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  • Individual
  • Female
  • Years of Experience 38
  • Hospitalist
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About LIYING CHEN

This page provides the complete NPI Profile along with additional information for Liying Chen, a provider established in Rockville Centre, New York with a medical specialization in Hospitalist and more than 38 years of experience. The healthcare provider is registered in the NPI registry with number 1124275813 assigned on August 2008. The practitioner's primary taxonomy code is 208M00000X with license number 249635 (NY). The provider is registered as an individual and her NPI record was last updated 4 years ago.

NPI
1124275813
Provider Name
DR. LIYING CHEN M.D.
Gender
Female
Entity Type
Individual
Location Address
1000 N VILLAGE AVE LONG ISLAND EMERGENCY CARE, P.C. ROCKVILLE CENTRE, NY 11570
Location Phone
(516) 705-2854
Location Fax
(516) 705-2011
Mailing Address
1000 N VILLAGE AVE LONG ISLAND EMERGENCY CARE, P.C. ROCKVILLE CENTRE, NY 11570
Mailing Phone
(516) 705-2854
Mailing Fax
(516) 705-2011
Medical School Name
OTHER
Graduation Year
1988
Is Sole Proprietor?
No
Enumeration Date
08-25-2008
Last Update Date
12-23-2021
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Hospitalist

Taxonomy Code
208M00000X
Type
Allopathic & Osteopathic Physicians
License No.
249635
License State
NY
Taxonomy Description
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207Q00000XAllopathic & Osteopathic Physicians

Family Medicine

249635 (NY)
2207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

249635 (NY)

Medicare Participation & PECOS Enrollment Status

Liying Chen is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Liying Chen is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 7416015433

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20081021000174

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Durable Medical Equipment

  • DME-Medical/Surgical Supplies (DA000N)

    Insertion tray without drainage bag and without catheter (accessories only) (HCPCS:A4310)

    1 DME suppliers used 16 Medicare Claims 16 Services Paid

  • DME-Hospital Beds (DB000N)

    Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress (HCPCS:E0260)

    3 DME suppliers used 38 Medicare Claims 40 Services Paid

  • DME-Hospital Beds (DB000N)

    Hospital bed, semi-electric (head and foot adjustment), without side rails, with mattress (HCPCS:E0294)

    1 DME suppliers used 11 Medicare Claims 11 Services Paid

  • DME-Oxygen and Supplies (DC000N)

    Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing (HCPCS:E0431)

    2 DME suppliers used 13 Medicare Claims 13 Services Paid

  • DME-Other DME (DE000N)

    Transport chair, adult size, patient weight capacity up to and including 300 pounds (HCPCS:E1038)

    3 DME suppliers used 33 Medicare Claims 36 Services Paid

  • DME-Oxygen and Supplies (DC002N)

    Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate (HCPCS:E1390)

    5 DME suppliers used 36 Medicare Claims 36 Services Paid

  • DME-Oxygen and Supplies (DC002N)

    Portable oxygen concentrator, rental (HCPCS:E1392)

    2 DME suppliers used 16 Medicare Claims 16 Services Paid

  • DME-Wheelchairs (DD000N)

    Standard wheelchair (HCPCS:K0001)

    4 DME suppliers used 23 Medicare Claims 23 Services Paid

  • DME-Wheelchairs (DD000N)

    Lightweight wheelchair (HCPCS:K0003)

    3 DME suppliers used 16 Medicare Claims 16 Services Paid

  • DME-Wheelchairs (DD000N)

    Extra heavy duty wheelchair (HCPCS:K0007)

    2 DME suppliers used 16 Medicare Claims 17 Services Paid

  • DME-Wheelchairs (DD021N)

    Elevating leg rests, pair (for use with capped rental wheelchair base) (HCPCS:K0195)

    3 DME suppliers used 39 Medicare Claims 40 Services Paid

Orthotic Devices

  • DME-Orthotic Devices (DF000N)

    Indwelling catheter; foley type, two-way latex with coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each (HCPCS:A4338)

    1 DME suppliers used 16 Medicare Claims 16 Services Paid

  • DME-Orthotic Devices (DF000N)

    Bedside drainage bag, day or night, with or without anti-reflux device, with or without tube, each (HCPCS:A4357)

    1 DME suppliers used 16 Medicare Claims 16 Services Paid

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Follow-up hospital inpatient care per day, typically 15 minutes

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

This service was performed 35 times for 25 patients

Follow-up hospital inpatient care per day, typically 25 minutes

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

This service was performed 779 times for 268 patients

Follow-up hospital inpatient care per day, typically 35 minutes

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

This service was performed 38 times for 31 patients

Follow-up nursing facility visit per day, typically 15 minutes

A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.

This service was performed 473 times for 90 patients

Follow-up nursing facility visit per day, typically 25 minutes

A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.

This service was performed 400 times for 73 patients

Hospital discharge day management, more than 30 minutes

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

This service was performed 194 times for 185 patients

Hospital observation care on day of discharge

Hospital observation care on the day of discharge involves monitoring your health status to ensure stability before you leave. This includes assessing vital signs, response to treatment, and readiness for home care or rehabilitation.

This service was performed 15 times for 14 patients

Initial hospital inpatient care per day, typically 50 minutes

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

This service was performed 112 times for 111 patients

Initial nursing facility visit per day, typically 45 minutes

An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.

This service was performed 100 times for 81 patients

Nursing facility discharge management, more than 30 minutes

Nursing facility discharge management over 30 minutes is a comprehensive process where a healthcare team prepares you for leaving the facility. It involves creating a tailored plan, coordinating care, and ensuring a smooth transition to your next care setting.

This service was performed 69 times for 64 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $38.57 for a new patient copayment and $29.4 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 11570 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $154.28
  • Minimum New Patient Price $67.4
  • Maximum New Patient Price $203.53
  • Average New Patient Copayment $38.57
  • Minimum New Patient Copayment $16.85
  • Maximum New Patient Copayment $50.88

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $117.62
  • Minimum Established Patient Price $21.66
  • Maximum Established Patient Price $164.45
  • Average Established Patient Copayment $29.4
  • Minimum Established Patient Copayment $5.41
  • Maximum Established Patient Copayment $41.11

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Liying Chen is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
MERCY MEDICAL CENTER1000 NORTH VILLAGE AVENUE
ROCKVILLE CENTRE, NY 11570
(516) 705-2525Acute Care Hospitals
GOOD SAMARITAN HOSPITAL MEDICAL CENTER1000 MONTAUK HIGHWAY
WEST ISLIP, NY 11795
(631) 376-3000Acute Care Hospitals

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1124275813, we treat the final digit (3) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
1
Unchanged
Pos 3
2
Doubled → 4
Pos 4
4
Unchanged
Pos 5
2
Doubled → 4
Pos 6
7
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
8
Unchanged
Pos 9
1
Doubled → 2
Check
3
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 2 → 4 2 → 4 5 → 10 → 1 1 → 2

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 1 + 4 + 4 + 4 + 7 + 1 + 0 + 8 + 2 + 24 = 57

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1124275813.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine (Medical Oncology)
1000 N VILLAGE AVE
ROCKVILLE CENTRE, NY 11570
Internal Medicine (Medical Oncology)
1000 N VILLAGE AVE
ROCKVILLE CENTRE, NY 11570
General Acute Care Hospital
1000 N VILLAGE AVE
ROCKVILLE CENTRE, NY 11570
Psychiatric Unit
1000 N VILLAGE AVE
ROCKVILLE CENTRE, NY 11570
Rehabilitation Unit
1000 N VILLAGE AVE
ROCKVILLE CENTRE, NY 11570
Pathology (Anatomic Pathology & Clinical Pathology)
1000 N VILLAGE AVE
ROCKVILLE CENTRE, NY 11570
Emergency Medicine
1000 N VILLAGE AVE
ROCKVILLE CENTRE, NY 11570
Emergency Medicine
1000 N VILLAGE AVE
ROCKVILLE CENTRE, NY 11570
Radiology (Radiation Oncology)
1000 N VILLAGE AVE, MEMORIAL SLOAN-KETTERING CANCER CENTER
ROCKVILLE CENTRE, NY 11570
Physician Assistant
1000 N VILLAGE AVE
ROCKVILLE CENTRE, NY 11570
Internal Medicine
1000 N VILLAGE AVE
ROCKVILLE CENTRE, NY 11570
Anesthesiology
1000 N VILLAGE AVE
ROCKVILLE CENTRE, NY 11570
Physician Assistant
1000 N VILLAGE AVE, MERCY MEDICAL CENTER EMERGENCY DEPARTMENT
ROCKVILLE CENTRE, NY 11570
Anesthesiology
1000 N VILLAGE AVE, MERCY MEDICAL CTR
ROCKVILLE CTR, NY 11570
Internal Medicine
1000 N VILLAGE AVE, MERCY MEDICAL CENTER
ROCKVILLE CENTRE, NY 11570
Surgery
1000 N VILLAGE AVE
ROCKVILLE CENTRE, NY 11570
Nurse Practitioner (Adult Health)
1000 N VILLAGE AVE
ROCKVILLE CENTRE, NY 11570
Emergency Medicine
1000 N VILLAGE AVE
ROCKVILLE CENTRE, NY 11570
Physician Assistant
1000 N VILLAGE AVE
ROCKVILLE CENTRE, NY 11570
Internal Medicine (Medical Oncology)
1000 N VILLAGE AVE, MEMORIAL SLOAN-KETTERING CANCER CENTER
ROCKVILLE CENTRE, NY 11570

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1124275813, enumerated as an "individual" on August 25, 2008.

The provider is located at 1000 N VILLAGE AVE LONG ISLAND EMERGENCY CARE, P.C. ROCKVILLE CENTRE, NY 11570 and the phone number is (516) 705-2854.

Hospitalist with taxonomy code 208M00000X.

Liying Chen is affiliated with: MERCY MEDICAL CENTER and GOOD SAMARITAN HOSPITAL MEDICAL CENTER.