WARDEN HUA WIN HWAN M.D.
NPI 1811946916
Allergy & Immunology in Scranton, PA

NPI Status: Active since May 08, 2006

Contact Information

3 W OLIVE ST
SCRANTON, PA
ZIP 18508
Phone: (570) 614-2460
Fax: (570) 614-2461

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  • Individual
  • Male
  • Years of Experience 29
  • Allergy & Immunology
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About WARDEN HWAN

This page provides the complete NPI Profile along with additional information for Warden Hwan, a provider established in Scranton, Pennsylvania with a medical specialization in Allergy & Immunology and more than 29 years of experience. He graduated from Temple University School Of Medicine in 1998. The healthcare provider is registered in the NPI registry with number 1811946916 assigned on May 2006. The practitioner's primary taxonomy code is 207K00000X with license number MD072638L (PA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1811946916
Provider Name
WARDEN HUA WIN HWAN M.D.
Gender
Male
Entity Type
Individual
Location Address
3 W OLIVE ST SCRANTON, PA 18508
Location Phone
(570) 614-2460
Location Fax
(570) 614-2461
Mailing Address
100 N ACADEMY AVE DANVILLE, PA 17822
Mailing Phone
(570) 271-6144
Mailing Fax
(570) 614-2461
Medical School Name
TEMPLE UNIVERSITY SCHOOL OF MEDICINE
Graduation Year
1998
Is Sole Proprietor?
No
Enumeration Date
05-08-2006
Last Update Date
07-08-2025
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Location Map

Secondary Locations

  • 100 N Academy Ave
    Danville, PA 17822
    (570) 271-6259

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

Allergy & Immunology

Taxonomy Code
207K00000X
Type
Allopathic & Osteopathic Physicians
License No.
MD072638L
License State
PA
Taxonomy Description
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

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)
1208000000XAllopathic & Osteopathic Physicians

Pediatrics

MD072638L (PA)

Medicare Participation & PECOS Enrollment Status

Warden Hwan 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.

Warden Hwan 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: 4789697533

    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: I20060720000135

    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

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.

Established patient office or other outpatient visit, 20-29 minutes

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.

This service was performed 39 times for 37 patients

Established patient office or other outpatient visit, 30-39 minutes

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.

This service was performed 56 times for 41 patients

New patient office or other outpatient visit, 45-59 minutes

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

This service was performed 28 times for 28 patients

Test for allergy using allergenic extract

An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.

This service was performed 285 times for 12 patients

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. Warden Hwan is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
GEISINGER-COMMUNITY MEDICAL CENTER1822 MULBERRY STREET
SCRANTON, PA 18510
(570) 703-8000Acute Care Hospitals
GEISINGER WYOMING VALLEY MEDICAL CENTER1000 EAST MOUNTAIN BOULEVARD
WILKES BARRE, PA 18711
(570) 826-7300Acute Care Hospitals

Reviews for WARDEN HUA WIN HWAN M.D.

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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 1811946916, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
8
Unchanged
Pos 3
1
Doubled → 2
Pos 4
1
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
4
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
9
Unchanged
Pos 9
1
Doubled → 2
Check
6
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 1 → 2 9 → 18 → 9 6 → 12 → 3 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 2 + 1 + 1 + 8 + 4 + 1 + 2 + 9 + 2 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1811946916.

Other Providers at the Same Location


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

Audiologist
3 W OLIVE ST, SUITE 106
SCRANTON, PA 18508
Physical Therapist
3 W OLIVE ST, SUITE 210A
SCRANTON, PA 18508
Audiologist-Hearing Aid Fitter
3 W OLIVE ST, SUITE 106
SCRANTON, PA 18508
Physical Therapist
3 W OLIVE ST, SUITE 210A
SCRANTON, PA 18508
Specialist
3 W OLIVE ST
SCRANTON, PA 18508
Counselor (Professional)
3 W OLIVE ST
SCRANTON, PA 18508
Orthopaedic Surgery
3 W OLIVE ST, STE 118
SCRANTON, PA 18508
Internal Medicine
3 W OLIVE ST, SUITE 220
SCRANTON, PA 18508
Counselor
3 W OLIVE ST
SCRANTON, PA 18508
Counselor (Mental Health)
3 W OLIVE ST
SCRANTON, PA 18508
Radiology (Diagnostic Radiology)
3 W OLIVE ST, SUITE 220
SCRANTON, PA 18508
Physician Assistant
3 W OLIVE ST, SUITE 118
SCRANTON, PA 18508
Counselor (Mental Health)
3 W OLIVE ST
SCRANTON, PA 18508
Counselor
3 W OLIVE ST
SCRANTON, PA 18508
Physical Therapy Assistant
3 W OLIVE ST
SCRANTON, PA 18508
Family Medicine
3 W OLIVE ST
SCRANTON, PA 18508
Physical Therapist
3 W OLIVE ST
SCRANTON, PA 18508
Physical Therapist (Orthopedic)
3 W OLIVE ST, STE 118
SCRANTON, PA 18508
Counselor (Professional)
3 W OLIVE ST
SCRANTON, PA 18508
Orthopaedic Surgery
3 W OLIVE ST, STE 118
SCRANTON, PA 18508

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1811946916, enumerated as an "individual" on May 08, 2006.

The provider is located at 3 W OLIVE ST SCRANTON, PA 18508 and the phone number is (570) 614-2460.

Allergy & Immunology with taxonomy code 207K00000X.

Warden Hwan is affiliated with: GEISINGER-COMMUNITY MEDICAL CENTER and GEISINGER WYOMING VALLEY MEDICAL CENTER.