William K. Giang
Internal Medicine Physician · Bronx, NY
William K. Giang is an internal medicine physician with a practice address in Bronx, New York, and NPI 1386737518, issued on Oct 2, 2006. Check the license (New York 194012, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- William K. Giang
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 194012 NY
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Bainbridge Ave, Bronx, NY 10467
- Phone
- (718) 920-8888
- Enumerated
- Oct 2, 2006
- Record last updated
- Feb 1, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040318001553); may accept Medicare assignment
- Medical or professional school
- New York Medical College, 1991
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 3400 Bainbridge Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Milinda Aiello, NPAcute Care Nurse Practitioner1346811254
- Jillian Alfonso, MDStudent in an Organized Health Care Education/Training Program1629224159
- Terry Amaral, MDOrthopaedic Surgery Physician1891870192
- Alyssa Beckinella, PA-CPhysician Assistant1518756865
- Marisa Bellotti, AU.D.Audiologist1184039315
- Janis Bilello, P.C.-CMedical Physician Assistant1336198613
Verify William K. Giang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 194012Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average internal medicine physician in 2024
9,908 Medicare Part D claims for 671 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 35 claims were for opioids.
Most prescribed
- Atorvastatin Calcium896 claims
- Amlodipine Besylate585 claims
- Metformin Hcl374 claims
- Gabapentin314 claims
- Losartan Potassium313 claims
- Albuterol Sulfate Hfa291 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital affiliation
- Montefiore Medical CenterBronx, NY · Acute Care Hospitals3 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
William K. Giang among 12,067 internal medicine physician records in New York
William K. Giang is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1991 · median 2002 among the 7,221 with a school on file
- Record last updated2010 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
960 internal medicine physician records list a practice address in Bronx
They are 960 of the 32,017 NPPES records with a practice address in Bronx, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Bronx → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Dimyan Balikcioglu, MDBronx, NY 104671619984432
- Janet Gorkin, M.D.Bronx, NY 104671245346345
- Masoumeh Hassaninejad-Farahani, M.D.Bronx, NY 104671376513929
- Carol Kelly, M.D.Bronx, NY 104671306808647
- Maria Mazing, MDBronx, NY 104671598877276
- Dione Ndiaye, PACBronx, NY 104671851338883
Common questions
What is William K. Giang's NPI number?
William K. Giang's National Provider Identifier (NPI) is 1386737518, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William K. Giang located?
The NPPES record lists a practice address at 3400 Bainbridge Ave, Bronx, NY, 10467. Phone: (718) 920-8888. Providers update this record themselves, so call before visiting.
How can I verify William K. Giang's license?
NPPES lists New York license number 194012, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William K. Giang prescribe under Medicare Part D?
In 2024, William K. Giang had 9,908 Medicare Part D claims for 671 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is William K. Giang's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.