William Louie, MD
Diagnostic Radiology Physician · New York, NY
William Louie, MD is a diagnostic radiology physician with a practice address in New York, New York, and NPI 1336141183, issued on Aug 11, 2005. Check the license (New York 178751, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- William Louie
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 178751 NY
Self-reported in NPPES; status is on the state search - Practice location
- 61 E 77TH St, New York, NY 10021
- Phone
- (212) 772-3111
- Enumerated
- Aug 11, 2005
- Record last updated
- Mar 5, 2026
- Fax
- (212) 861-1796
- Medicaid ID
- 02233892 NY
- Medicare enrollment
- Enrolled (PECOS I20060221000588); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 1988
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 3,146 in New York → Look up another NPI →
Also registered at 61 E 77TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Louie 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 178751Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 74.5 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).
Bills Medicare through 3 group practices
- Delaware Radiology Associates PANew York, NY
- Hudson Valley Radiology Associates PLLCNew York, NY
- Lenox Hill Radiology And Medical Imaging Associates PCBrooklyn, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Louie among 3,146 diagnostic radiology physician records in New York
William Louie, MD is one of 3,146 diagnostic radiology physician records with a practice address in New York. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1988 · median 2002 among the 2,169 with a school on file
- Record last updated2026 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
950 diagnostic radiology physician records list a practice address in New York
They are 950 of the 98,468 NPPES records with a practice address in New York, and 3,146 diagnostic radiology physician records in New York.
All 3,146 in New York → Every provider in New York → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Steven Albert, M.D.New York, NY 100211639172943
- T. Babagbemi, M.D.New York, NY 100211447245097
- James Brady, M.D.New York, NY 100211710983010
- Douglas Decorato, M.D.New York, NY 100211588667877
- Carmel Donovan, MDNew York, NY 100211902806946
- Richard Herzog, M.D.New York, NY 100211548263338
- Richard Katz, M.D.New York, NY 100211376546630
- John Melnick, M.D.New York, NY 100211477552933
Common questions
What is William Louie, MD's NPI number?
William Louie, MD's National Provider Identifier (NPI) is 1336141183, issued on Aug 11, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Louie, MD located?
The NPPES record lists a practice address at 61 E 77TH St, New York, NY, 10021. Phone: (212) 772-3111. Providers update this record themselves, so call before visiting.
How can I verify William Louie, MD's license?
NPPES lists New York license number 178751, 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.
What is William Louie, MD's MIPS final score?
The 2023 MIPS final score is 74.5 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.