NPPES file of Aug 9, 2026

William Hahnym Gu

Pharmacist · Pittsburgh, PA

William Hahnym Gu is a pharmacist with a practice address in Pittsburgh, Pennsylvania, and NPI 1417725128, issued on Dec 13, 2023. Check the license (Pennsylvania RP458109, as entered in NPPES) with the Pennsylvania board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1417725128
Name
William Hahnym Gu
Primary taxonomy
Pharmacist 183500000X
License number
RP458109 PA
Self-reported in NPPES; status is on the state search
Practice location
4411 Howley St, Pittsburgh, PA 15224
Phone
(412) 621-9987
Enumerated
Dec 13, 2023
Record last updated
Dec 13, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 4411 Howley St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. James ChaslerPharmacist1295042786
  2. Isabella Gamboa, PHARM.DPharmacist1447988696
  3. James Irmer, PHARM.DPharmacist1851068878
  4. Karlee Kaminski, PHARM.DPharmacist1659704245
  5. Won Joon KangPharmacist1700580313
  6. Erin McCarthy, PHARMDPharmacist1841699048

Verify William Hahnym Gu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license RP458109
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Pennsylvania license search

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1,478 pharmacist records list a practice address in Pittsburgh

They are 1,478 of the 28,866 NPPES records with a practice address in Pittsburgh, and 13,059 pharmacist records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other pharmacist records in Pennsylvania

  1. Seth Aaron, RPHMerion Station, PA1902427453
  2. Kofi Abanquah, PHARMACISTPhiladelphia, PA1023418381
  3. Nicole AbarcaEast Stroudsburg, PA1801634662
  4. Janine AbatePittsburgh, PA1689370587
  5. Steven AbateErie, PA1619639986
  6. Sharon Abayasekara, R.PH.Camp Hill, PA1790782415
  7. Marjan Abbassi, PHARM.DPhiladelphia, PA1366691008
  8. Sally Abbonizio, RPHWest Chester, PA1801085089
  9. Catherine AbbottPlymouth Meeting, PA1184950578
  10. Jessica Abbott, PHARM.D, RPHGreentown, PA1255654059

Common questions

What is William Hahnym Gu's NPI number?

William Hahnym Gu's National Provider Identifier (NPI) is 1417725128, issued on Dec 13, 2023. An NPI identifies a provider in billing; it is not a license.

Where is William Hahnym Gu located?

The NPPES record lists a practice address at 4411 Howley St, Pittsburgh, PA, 15224. Phone: (412) 621-9987. Providers update this record themselves, so call before visiting.

How can I verify William Hahnym Gu's license?

NPPES lists Pennsylvania license number RP458109, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.