Dr. Hong Yu Daisy Wen, MD

  • Buffalo, NY
  • Internist
NPI1205867546
Medicare services, 2024
1,106
Medicare patients, 2024
90
Part D claims, 2024
3,085
Affiliated sites
1
Medical group
1
Practice address
425 Essjay Rd, Buffalo, NY 14221
Practice phone
Call (716) 630-2500
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Buffalo Medical Group, P.C.

Buffalo, New York

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Dr. Hong Yu Daisy Wen is an internist in Buffalo, New York

Dr. Wen practices at Buffalo Medical Group, P.C. in Buffalo, New York.

Dr. Wen's NPI, 1205867546, was assigned on July 5, 2006. Dr. Wen graduated from Peking Union Medical College in 1994. Dr. Wen holds New York license 251943.

NPI and contact details
NPI enumeration date
July 5, 2006
NPI status
Active
Practice phone
(716) 630-2500
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
58
Medical school graduation
1994

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Dr. Hong Yu Daisy Wen practices at Buffalo Medical Group, P.C. in Buffalo, New York

Dr. Wen's primary practice is Buffalo Medical Group, P.C., at 425 Essjay Rd, Buffalo, NY 14221 in Erie County. The practice phone is (716) 630-2500.

  • Buffalo Medical Group, P.C.
    425 Essjay Rd, Buffalo, NY 14221 · Erie CountyPhone(716) 630-2500

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Hong Yu Daisy Wen is affiliated with 2 sites of care and 1 medical group

Dr. Wen's primary practice is Buffalo Medical Group, P.C. in Buffalo, New York. The medical group on file is Buffalo Medical Group. Dmand AI also links Dr. Wen to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Wen

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Hong Yu Daisy Wen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wen practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Buffalo Medical Group, P.C.Available with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Hong Yu Daisy Wen is one of 9,643 internists in New York

Internal medicine is Dr. Wen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Wen is licensed in New York.

Specialties and state licenses

  • Internal medicine, New YorkPrimaryLicense 251943 · taxonomy 207R00000X

Internists near Dr. Wen

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Hong Yu Daisy Wen billed Medicare for 1,106 services in 2024

CMS data shows 1,106 Medicare services from Dr. Wen across 17 procedure codes in 2024, for 90 Medicare patients. Medicare paid $28,545 for them. Every service was in an office.

Medicare services, 20241,106
Medicare patients90
Paid by Medicare$28,545
Procedure codes17

Dr. Wen's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Lab and pathology
2023: 6802024: 7328%
Other services
2023: 1102024: 20687%
Office and hospital visits
2023: 1292024: 1312%
Tests and treatments
2023: 572024: 3735%

Dr. Wen compared with the New York median for internists, 2024

  • Dr. Wen
  • New York median
Medicare services
1,106vs 4262.6 times
Medicare patients
90vs 15843% below
Part D claims
2,585vs 6224.2 times

Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.

Dr. Wen's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Hong Yu Daisy Wen treated 90 Medicare patients in 2024, average age 75

CMS counts 90 Medicare patients who saw Dr. Wen in 2024. The largest group is 75 to 84, with 40 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.03, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Wen's median patient age at 68, with 78% women.

Medicare patients, 202490
Average age75
Average risk score1.03
Also on Medicaid17%

Dr. Wen's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Wen's Medicare patients by sex, 2024

  • Women6168%
  • Men2932%

Chronic conditions among Dr. Wen's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease69%
  4. Arthritis34%
  5. Diabetes26%
  6. Ischemic heart disease22%
  7. COPD18%
  8. Anxiety13%

Share of Medicare patients with each condition. A patient can have several.

Dr. Wen's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women78%
  • Men21%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Hong Yu Daisy Wen wrote 3,085 Medicare Part D claims in 2024

In 2024, Dr. Wen wrote 3,085 Medicare Part D claims for 301 patients. 85% of them were for generic drugs. CMS names the drug for 2,585 of them, across 62 drugs with 11 or more claims each, at $162,982 in total drug cost. In 2023, CMS named 2,458 claims across 57 drugs.

Part D claims, 20243,085
Drugs named by CMS62
Total drug cost$162,982
Part D patients301

Dr. Wen's Part D claims by kind of drug, 2024

  • Generic2,614 claims85%
  • Brand-name442 claims14%
  • Other29 claims1%

Dr. Wen's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Wen's Part D claims, 2024

  • Opioids2%49 of 3,085 claims
  • Antibiotics2%65 of 3,085 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2,4582024: 2,5855%

Drugs named by CMS: 62 in 2024, 57 in 2023.

See all prescribing by Dr. Wen

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Dr. Hong Yu Daisy Wen graduated from Peking Union Medical College

Dr. Wen graduated from Peking Union Medical College in 1994.

  1. Medical schoolPeking Union Medical College

Source: Dmand AI Professional Profile Data

Sources for Dr. Hong Yu Daisy Wen's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Hong Yu Daisy Wen

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Hong Yu Daisy Wen's NPI number?

Dr. Hong Yu Daisy Wen's NPI number is 1205867546. It was assigned on July 5, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Hong Yu Daisy Wen?

Dr. Hong Yu Daisy Wen is an internist in Buffalo, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Hong Yu Daisy Wen practice?

Dr. Wen practices at 425 Essjay Rd, Buffalo, NY 14221. Dr. Wen's primary practice is Buffalo Medical Group, P.C. in Buffalo, New York. Dmand AI also links Dr. Wen to 1 group practice or clinic.

What is Dr. Hong Yu Daisy Wen's office phone number?

The practice phone on file for Dr. Wen is (716) 630-2500.

What is Dr. Hong Yu Daisy Wen's medical license number?

Dr. Wen holds New York license 251943.

What medical group is Dr. Hong Yu Daisy Wen part of?

Dr. Wen is linked to Buffalo Medical Group.

Does Dr. Hong Yu Daisy Wen accept Medicare?

Yes. CMS data shows Dr. Wen billed Medicare for 1,106 services in 2024.

How many Medicare patients does Dr. Hong Yu Daisy Wen see?

CMS counts 90 Medicare patients who saw Dr. Wen in 2024, with an average age of 75.

What services does Dr. Hong Yu Daisy Wen bill to Medicare?

In 2024, Dr. Wen's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and lab and pathology test (80048).

Where did Dr. Hong Yu Daisy Wen go to medical school?

Dr. Wen graduated from Peking Union Medical College in 1994.

What drugs does Dr. Hong Yu Daisy Wen prescribe most?

In 2024 Medicare Part D data, Dr. Wen's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.

How long has Dr. Hong Yu Daisy Wen been practicing?

Dr. Wen graduated from medical school in 1994, 32 years ago.

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