NPPES file of Aug 9, 2026

Alex Chu, D.O.

Internal Medicine Physician · Philadelphia, PA

Alex Chu, D.O. is an internal medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1922082270, issued on Nov 30, 2005. Check the license (Pennsylvania OS-006940-L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922082270
Name
Alex Chu
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
OS-006940-L PA
Self-reported in NPPES; status is on the state search
Practice location
6100 Castor Ave, Philadelphia, PA 19149
Phone
(215) 744-6061
Enumerated
Nov 30, 2005
Record last updated
Jul 23, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(215) 000-0000
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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Verify Alex Chu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license OS-006940-L
    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
Open the Pennsylvania license search

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63% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,168 Medicare Part D claims for 87 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Alex Chu1,168
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium80 claims
  2. Amlodipine Besylate64 claims
  3. Losartan Potassium63 claims
  4. Glipizide Er61 claims
  5. Metoprolol Succinate45 claims
  6. Furosemide41 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.

Alex Chu among 7,300 internal medicine physician records in Pennsylvania

Alex Chu, D.O. is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% 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, 91% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2012 · 56% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,855 internal medicine physician records list a practice address in Philadelphia

They are 1,855 of the 42,849 NPPES records with a practice address in Philadelphia, and 7,300 internal medicine physician records in Pennsylvania.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Barry Blinkoff, M.D.Philadelphia, PA 191491447262134
  2. Sharon Carey, M.D.Philadelphia, PA 191491700898301
  3. Timi Edeki, MDPhiladelphia, PA 191491962647644
  4. Barbara Joebstl, MDPhiladelphia, PA 191491194769919
  5. V Marshall, DOPhila, PA 191491952341992
  6. Leslie Mayro, M.D.Philadelphia, PA 191491003829508
  7. Jack Nemez, M.D.Phila, PA 191491336171651
  8. Ngozi Onuoha, MDPhiladelphia, PA 191491700832953

Common questions

What is Alex Chu, D.O.'s NPI number?

Alex Chu, D.O.'s National Provider Identifier (NPI) is 1922082270, issued on Nov 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Alex Chu, D.O. located?

The NPPES record lists a practice address at 6100 Castor Ave, Philadelphia, PA, 19149. Phone: (215) 744-6061. Providers update this record themselves, so call before visiting.

How can I verify Alex Chu, D.O.'s license?

NPPES lists Pennsylvania license number OS-006940-L, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Alex Chu, D.O. prescribe under Medicare Part D?

In 2024, Alex Chu, D.O. had 1,168 Medicare Part D claims for 87 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions 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. 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.