CHUN HONG MD PHD
NPI 1003844960
Internal Medicine in Reston, VA

Quality Rating: 7.62 out of 100 score

NPI Status: Active since June 29, 2006

Contact Information

11357 SUNSET HILLS RD
RESTON, VA
ZIP 20190
Phone: (703) 435-5858
Fax: (703) 435-5877

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Table of Contents

NPI Profile Information
Primary Taxonomy
Medicare Participation & PECOS Status
Areas of Expertise
Durable Medical Equipment
Physician Visit Costs
Overall Quality Performance
Quality Reporting
Hospital Affiliations - Privileges
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Years of Experience 41
Internal Medicine
May Accept Medicare Approved Payment
PECOS Enrolled
Medicare Quality Reporting

About CHUN HONG

This page provides the complete NPI Profile along with additional information for Chun Hong, an internist established in Reston, Virginia with a medical specialization in Internal Medicine and more than 41 years of experience. The healthcare provider is registered in the NPI registry with number 1003844960 assigned on June 2006. The practitioner's primary taxonomy code is 207R00000X with license number 0101232763 (VA). The provider is registered as an individual and his NPI record was last updated February 2026.

NPI: 1003844960
Provider Name: CHUN HONG MD PHD
Gender: Male
Entity Type: Individual
Location Address: 11357 SUNSET HILLS RD RESTON, VA 20190
Location Phone: (703) 435-5858
Location Fax: (703) 435-5877
Mailing Address: 11357 SUNSET HILLS RD RESTON, VA 20190
Mailing Phone: (703) 435-5858
Mailing Fax: (703) 435-5877
Medical School Name: OTHER
Graduation Year: 1985
Is Sole Proprietor?: No
Enumeration Date: 06-29-2006
Last Update Date: 02-12-2026
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An internist like Chun Hong is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

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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: Internal Medicine
Taxonomy Code: 207R00000X
Type: Allopathic & Osteopathic Physicians
License No.: 0101232763
License State: VA
Taxonomy Description: A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Medicare Participation & PECOS Enrollment Status

Chun Hong is registered with Medicare but maybe doesn't accept claims assignment. If you are a Medicare beneficiary call and confirm with the provider before seeking any services.

Chun Hong 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: 2567509979
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: I20091016000265
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? Maybe
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)
Sterile water, saline and/or dextrose, diluent/flush, 10 ml (HCPCS:A4216)
2 DME suppliers used 12 Medicare Claims 390 Services Paid
DME-Medical/Surgical Supplies (DA000N)
Sterile water/saline, 500 ml (HCPCS:A4217)
2 DME suppliers used 11 Medicare Claims 138 Services Paid
DME-Other DME (DE000N)
Tubing, used with suction pump, each (HCPCS:A7002)
2 DME suppliers used 11 Medicare Claims 35 Services Paid
DME-Other DME (DE000N)
Large volume nebulizer, disposable, unfilled, used with aerosol compressor (HCPCS:A7007)
2 DME suppliers used 12 Medicare Claims 25 Services Paid
DME-Hospital Beds (DB000N)
Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress (HCPCS:E0260)
1 DME suppliers used 17 Medicare Claims 17 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 12 Medicare Claims 12 Services Paid
DME-Other DME (DE001N)
Continuous positive airway pressure (cpap) device (HCPCS:E0601)
2 DME suppliers used 13 Medicare Claims 13 Services Paid
DME-Wheelchairs (DD000N)
Lightweight wheelchair (HCPCS:K0003)
2 DME suppliers used 17 Medicare Claims 17 Services Paid
DME-Other DME (DE017N)
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service (HCPCS:K0553)
9 DME suppliers used 120 Medicare Claims 120 Services Paid

Orthotic Devices

DME-Orthotic Devices (DF000N)
Tracheostomy, inner cannula (HCPCS:A4623)
2 DME suppliers used 14 Medicare Claims 742 Services Paid
DME-Orthotic Devices (DF000N)
Filter holder and integrated filter without adhesive, for use in a tracheostoma heat and moisture exchange system, each (HCPCS:A7507)
2 DME suppliers used 11 Medicare Claims 682 Services Paid
DME-Orthotic Devices (DF000N)
Tracheostomy tube collar/holder, each (HCPCS:A7526)
2 DME suppliers used 12 Medicare Claims 330 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.

Administration of influenza virus vaccine
Administration of pneumococcal vaccine
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
Established patient office or other outpatient visit, 20-29 minutes
Established patient office or other outpatient visit, 30-39 minutes
Follow-up hospital inpatient care per day, typically 15 minutes
Follow-up hospital inpatient care per day, typically 25 minutes
Hospital discharge day management, 30 minutes or less
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage
Initial hospital inpatient care per day, typically 50 minutes
Injection of drug or substance under skin or into muscle
New patient office or other outpatient visit, 45-59 minutes
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use
Removal of impacted ear wax
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report
Telephone medical discussion with physician, 11-20 minutes
Telephone medical discussion with physician, 21-30 minutes
Ultrasound of both sides of head and neck blood flow
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function

Physician Visit Costs

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 20190 ZIP code area.

New Patients Visit Costs *

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

Average New Patient Price $147.85
Minimum New Patient Price $65.18
Maximum New Patient Price $194.86

Average New Patient Copayment $36.96
Minimum New Patient Copayment $16.29
Maximum New Patient Copayment $48.71

Established Patients Visit Costs *

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

Average Established Patient Price $113.72
Minimum Established Patient Price $21.4
Maximum Established Patient Price $158.88

Average Established Patient Copayment $28.43
Minimum Established Patient Copayment $5.35
Maximum Established Patient Copayment $39.72

* 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.

Overall MIPS Quality Performance

The provider participated in CMS Quality Payment Program under the Merit-based Incentive Payment System (MIPS) and has an overall final score of 7.62, based on four performance areas: quality, improvement activities, promoting interoperability, and cost. The purpose of this information is to help people with Medicare make informed decisions and incentivize doctors and clinicians to maximize performance.

The Merit-based Incentive Payment System (MIPS) is a way providers could use to participate in CMS Quality Payment Program (QPP). The MIPS program affects clinician reimbursement for Part B covered professional services and also rewards them for improving the quality of patient care and outcomes.

Final Score: 7.62 out of 100

The MIPS program evaluates providers across multiple categories with a specific weight for each category resulting a in a MIPS final score that ranges from 0 to 100 points. The MIPS Final Score determines whether providers receive a negative, neutral or positive MIPS payment adjustment.
Quality Score: 0

The Quality category assesses providers performance on clinical practices and patient outcomes under the traditional MIPS program. The quality measures help identify the quality of healthcare processes, outcomes, and patient experiences. The Quality measure category compromises 40% providers final MPIS scores.

There are six collection types for MIPS quality measures: Electronic Clinical Quality Measures (eCQMs), MIPS Clinical Quality Measures (CQMs), Qualified Clinical Data Registry (QCDR) Measures, Medicare Part B claims measures, CMS Web Interface measures and The Consumer Assessment of Healthcare Providers and Systems (CAHPS) for MIPS Survey.
Promoting Interoperability Score: N/A

The Interoperability category measures the providers ability to use technology to exchange and make use of healthcare information in a way that is less burdensome and improves outcomes. The Interoperability measure category compromises 25% providers final MPIS scores.

The MIPS Interoperability measure focuses on the use of certified electronic health record technology (CEHRT) to improve patient access health information, the exchange of information between clinicians and pharmacies and the systematic collection, analysis, and interpretation of healthcare data.
Improvement Activities Score: 0

The Improvement Activities performance category evaluates the providers participation in clinical activities that support the improvement of clinical practice, care delivery, and outcomes. Providers have the option to choose 2 to 4 activities from an inventory of over 100 improvement activities. Providers typically choose the activities that best fit their needs. The improvement activities measure category compromises 15% providers final MPIS scores.

The Improvement measures aim to better patient engagement, patient safety and other areas of patient care. The Improvement Activities category compromises 15% of providers final MPIS scores.
Cost Score: 25.43

The Cost performance category asses the amount and types of services provided and how clinicians coordinate care and seek improvement of health outcomes by ensuring patients receive the appropriate services.

Although providers don't determine the price of healthcare services they are important in delivering high-quality care at a reasonable cost. The Cost measures category compromises 20% of providers final MPIS scores.
Cost Score: 25.43

The Cost performance category asses the amount and types of services provided and how clinicians coordinate care and seek improvement of health outcomes by ensuring patients receive the appropriate services.

Although providers don't determine the price of healthcare services they are important in delivering high-quality care at a reasonable cost. The Cost measures category compromises 20% of providers final MPIS scores.

Quality Reporting

The provider participated in CMS Quality Payment Program. The Quality Payment Program aims to improve population health, reduce costs and improve the care received by Medicare beneficiaries. The following quality measures meet Medicare's statistical reporting standards. Not all providers report the same information, because not all providers give the same services to patients. The quality information is just a snapshot of some the care providers give to their patients. Reporting more or less information is not a reflection of quality.

Quality Measure	Performance	Number of Patients
Diabetes screening	Yes	N/A
Diabetes screening for people with schizophrenia or bipolar disease who are using antipsychotic medication.
Documentation of Current Medications in the Medical Record	4%	1791
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter. This list must include ALL known prescriptions, over-the-counters, herbals, and vitamin/mineral/dietary (nutritional) supplements AND must contain the medications' name, dosage, frequency and route of administration
Engagement of patients through implementation of improvements in patient portal	Yes	N/A
Access to an enhanced patient portal that provides up to date information related to relevant chronic disease health or blood pressure control, and includes interactive features allowing patients to enter health information and/or enables bidirectional communication about medication changes and adherence.
e-Prescribing	93%	5555
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
Glycemic management services	Yes	N/A
For outpatient Medicare beneficiaries with diabetes and who are prescribed antidiabetic agents (e.g., insulin, sulfonylureas), MIPS eligible clinicians and groups must attest to having: For the first performance year, at least 60 percent of medical records with documentation of an individualized glycemic treatment goal that: a) Takes into account patient-specific factors, including, at least 1) age, 2) comorbidities, and 3) risk for hypoglycemia, and b) Is reassessed at least annually. The performance threshold will increase to 75 percent for the second performance year and onward. Clinician would attest that, 60 percent for first year, or 75 percent for the second year, of their medical records that document individualized glycemic treatment represent patients who are being treated for at least 90 days during the performance period.
Health Information Exchange	10%	21
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for at least one transition of care or referral.
Immunization Registry Reporting	Yes	N/A
The MIPS eligible clinician is in active engagement with a public health agency to submit immunization data.
MDD prevention and treatment interventions	Yes	N/A
Major depressive disorder: Regular engagement of MIPS eligible clinicians or groups in integrated prevention and treatment interventions, including suicide risk assessment (refer to NQF #0104) for mental health patients with co-occurring conditions of behavioral or mental health conditions.
Medication Reconciliation	5%	85
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
Patient-Specific Education	11%	669
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
Pneumococcal Vaccination Status for Older Adults	25%	409
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan	26%	668
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous twelve months of the current encounter Normal Parameters: Age 18 years and older BMI >= 18.5 and < 25 kg/m2
Preventive Care and Screening: Influenza Immunization	8%	492
Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization
Provide Patient Access	46%	669
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold certain information.
Secure Messaging	0%	669
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure message sent by the patient (or the patient-authorized representative) during the performance period.
Security Risk Analysis	Yes	N/A
Conduct or review a security risk analysis in accordance with the requirements in 45 CFR 164.308(a)(1), including addressing the security (to include encryption) of ePHI data created or maintained by certified EHR technology in accordance with requirements in 45 CFR164.312(a)(2)(iv) and 45 CFR 164.306(d)(3), and implement security updates as necessary and correct identified security deficiencies as part of the MIPS eligible clinician's risk management process.
Specialized Registry Reporting	Yes	N/A
The MIPS eligible clinician is in active engagement to submit data to specialized registry. To earn a 5 % bonus in the promoting interoperability performance category score for submitting to one or more public health or clinical data registries also attest to PI_TRANS_PHCDRR_3_MULTI.
Syndromic Surveillance Reporting	Yes	N/A
The MIPS eligible clinician is in active engagement with a public health agency to submit syndromic surveillance data. To earn a 5 % bonus in the promoting interoperability performance category score for submitting to one or more public health or clinical data registries also attest to PI_TRANS_PHCDRR_2_MULTI.
Tobacco use	Yes	N/A
Tobacco use: Regular engagement of MIPS eligible clinicians or groups in integrated prevention and treatment interventions, including tobacco use screening and cessation interventions (refer to NQF #0028) for patients with co-occurring conditions of behavioral or mental health and at risk factors for tobacco dependence.
Unhealthy alcohol use	Yes	N/A
Unhealthy alcohol use: Regular engagement of MIPS eligible clinicians or groups in integrated prevention and treatment interventions, including screening and brief counseling (refer to NQF #2152) for patients with co-occurring conditions of behavioral or mental health conditions.
Use of High-Risk Medications in the Elderly	18% "Inverse Quality Measure" This is an inverse quality measure, a lower rate means the provider is rated better.	409
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication. 2) Percentage of patients who were ordered at least two of the same high-risk medication

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. Chun Hong is affiliated with the following medical facilities:

Hospital Name	Address	Phone	Hospital Type	Overall Rating
RESTON HOSPITAL CENTER	1850 TOWN CENTER PARKWAY RESTON, VA 20190	(703) 689-9000	Acute Care Hospitals

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 1003844960, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 0

Pos 4

Unchanged

Pos 5

Doubled → 16 → 1 + 6

Pos 6

Unchanged

Pos 7

Doubled → 8

Pos 8

Unchanged

Pos 9

Doubled → 12 → 1 + 2

Check

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 0 → 0 8 → 16 → 7 4 → 8 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 0 + 3 + 1 + 6 + 4 + 8 + 9 + 1 + 2 + 24 = 60

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

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

60 - 60 = 0

This NPI is valid

The calculated check digit is 0, which matches the last digit of 1003844960.