HONG YU DAISY WEN M.D.
NPI 1205867546
Internal Medicine in Williamsville, NY

Q: What is Hong Yu Wen's NPI number?

The NPI number for Hong Yu Wen is 1205867546. It was assigned to this individual provider in the NPPES registry on July 5, 2006.

Q: What is Hong Yu Wen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Hong Yu Wen was last updated on December 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since July 05, 2006PECOS Enrolled

325ESSJAY RD, WILLIAMSVILLE, NY 14221(716) 630-1182(716) 250-5982 Get Directions Write a Review

NPPES record last updated: December 14, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 14, 2021, Apr 22, 2019 (2 updates tracked since 2019).

On this page

About Hong Yu Daisy Wen M.d. NPPES

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

HONG YU DAISY WEN M.D. (NPI 1205867546) is an individual internal medicine provider in Williamsville, New York, licensed in New York (251943) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1205867546

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameHONG YU DAISY WENCredential: M.D.

Location Address325ESSJAY RDWilliamsville, NY 14221-8216

Mailing Address425 Essjay Rd Ste 170Williamsville, NY 14221-8235 · (716) 630-1219 · Fax (716) 817-1726

Phone(716) 630-1182

Fax(716) 250-5982

Sole ProprietorNo

Enumeration DateJuly 5, 2006

Last NPPES UpdateDecember 14, 20212 updates tracked since enumeration

NPPES CertifiedDecember 14, 2021

✔ NPI 1205867546 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in NY · 251943

Definition

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.

325ESSJAY RD, Williamsville, NY 14221

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Other Identifiers 1

Medicaid02273187NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hong Yu Daisy Wen M.d. 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 Hong Yu Wen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Buffalo Medical Group, P.C.

Same address

Family Medicine

325 ESSJAY RD, 4TH FLOOR ADMIN
Williamsville, NY 14221

Reassigned Medicare billing, New York enrollment
344 clinicians in this Medicare group

NPI 1881659506 (716) 630-2500

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 16

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.

114 services75 patients

Blood test, basic group of blood chemicals (calcium, total) 80048

A basic group blood test measures the levels of certain chemicals in your blood, including calcium. This helps assess your overall health and detect potential problems. The procedure involves drawing a small amount of blood from your arm, which is then analyzed in a lab.

101 services54 patients

Blood test, lipids (cholesterol and triglycerides) 80061

A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.

93 services55 patients

Liver enzyme (sgot), level 84450

A Liver Enzyme (SGOT) Level test is a simple blood test used to measure the amount of certain enzymes in your blood. These enzymes are normally found in liver cells. If the liver is damaged or diseased, these enzymes can leak into your bloodstream, indicating potential liver issues.

92 services54 patients

Liver enzyme (sgpt), level 84460

A liver enzyme (SGPT) level test is a blood test that checks the health of your liver. SGPT is an enzyme found in your liver cells. If your liver is damaged or inflamed, SGPT can leak into your bloodstream, raising the enzyme level. This test helps identify liver diseases early.

92 services54 patients

Blood test, thyroid stimulating hormone (tsh) 84443

A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.

89 services52 patients

Urine microalbumin (protein) level 82043

The urine microalbumin level test measures the amount of a protein called albumin in your urine. This test helps to detect early signs of kidney damage. High levels of albumin may suggest your kidneys aren't functioning properly. It's a simple, non-invasive test that involves providing a urine sample.

75 services47 patients

Creatinine level to test for kidney function or muscle injury 82570

A creatinine level test measures the amount of creatinine in your blood. This substance is a waste product from normal muscle use. Higher levels can indicate possible kidney dysfunction or muscle injury. This test helps monitor kidney health.

75 services47 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test 85027

A complete blood cell count (CBC) is an automated test that measures different components of the blood, including red cells, white cells, and platelets. It helps assess overall health, detect disorders like anemia or infection, and monitor medical treatments.

71 services48 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

71 services71 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

32 services17 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

27 services26 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

25 services24 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.

17 services14 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

12 services11 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

12 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14221 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

$126.40 typical visit price

range $54.87 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$97.08 typical visit price

range $17.54 – $136.14

Typical copayment $24.27 (range $4.38 – $34.03)

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 6

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

6 suppliers21 claims38 services$2.78 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

5 suppliers12 claims12 services$0.58 avg. paid by Medicare

Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, without built-in convexity, each A4385

DME-Orthotic Devices · category DF010N

1 supplier13 claims260 services$4.63 avg. paid by Medicare

Ostomy skin barrier, pectin-based, paste, per ounce A4406

DME-Orthotic Devices · category DF010N

2 suppliers14 claims58 services$4.10 avg. paid by Medicare

Ostomy skin barrier, with flange (solid, flexible, or accordion), extended wear, with built-in convexity, 4 x 4 inches or smaller, each A4407

DME-Orthotic Devices · category DF010N

1 supplier11 claims210 services$8.23 avg. paid by Medicare

Ostomy pouch, drainable; for use on barrier with flange (2 piece system), each A5063

DME-Orthotic Devices · category DF010N

2 suppliers16 claims440 services$2.50 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 Hong Yu Wen's NPI number?

The NPI number for Hong Yu Wen is 1205867546. It was assigned to this individual provider in the NPPES registry on July 5, 2006.

Where is Hong Yu Wen located?

Hong Yu Wen practices at 325essjay Rd, Williamsville, NY 14221. The listed phone number is (716) 630-1182.

What is Hong Yu Wen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Hong Yu Wen enrolled in Medicare?

Yes. Hong Yu Wen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Hong Yu Wen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hong Yu Wen reassigns Medicare benefits to Buffalo Medical Group, P.C. (Williamsville, NY). 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 Hong Yu Wen'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 Hong Yu Wen was last updated on December 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.