NPPES file of Aug 9, 2026

Daniel Lo Chen, M.D.

Internal Medicine Physician · Philadelphia, PA

Daniel Lo Chen, M.D. is an internal medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1376779124, issued on Jun 8, 2009. Check the license (Pennsylvania MD445417, 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
1376779124
Name
Daniel Lo Chen
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
MD445417 PA
MT195627 PA
Self-reported in NPPES; status is on the state search
Practice location
4417 N 6TH St, Philadelphia, PA 19140
Phone
(215) 302-3600
Enumerated
Jun 8, 2009
Record last updated
Oct 22, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20121206000018); accepts Medicare assignment
Medical or professional school
Jefferson Medical College Of Thomas Jefferson University, 2009
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4417 N 6TH St

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

  1. Gloria CastroDoula1518774140
  2. Laura ChaconDoula1295602928
  3. Jocelyn CuadradoClinical Social Worker1982258877
  4. Christina Derenge, PSYDPsychologist1275002644
  5. Dominic Derenge, D.O.Family Medicine Physician1033598339
  6. Corin Dickinson, MSN, FNP-CFamily Nurse Practitioner1871102152

Verify Daniel Lo Chen 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 MD445417
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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13% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,778 Medicare Part D claims for 156 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims. 21 claims were for opioids.

  1. Daniel Chen2,778
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium171 claims
  2. Jardiance102 claims
  3. Gabapentin88 claims
  4. Fluticasone Propionate87 claims
  5. Diclofenac Sodium83 claims
  6. Losartan Potassium81 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.

Bills Medicare through one group practice

  1. Esperanza Health Center, Inc.Philadelphia, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Daniel Lo Chen among 7,300 internal medicine physician records in Pennsylvania

Daniel Lo Chen, M.D. 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 2009, is newer than 47% of them.

  • NPI issued2009 · 47% of these records are older, 50% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2009 · median 2008 among the 4,208 with a school on file
  • Record last updated2014 · 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. Kathleen Coppola, MDPhiladelphia, PA 191401932197837
  2. Giuliana Defrancesch, MDPhila, PA 191401154307783
  3. Susan Gersh, MDPhiladelphia, PA 191401780672659
  4. Sharon Herring, MDPhiladelphia, PA 191401285600197
  5. Lawrence Kaplan, MDPhiladelphia, PA 191401225026198
  6. Karen Lin, MDPhiladelphia, PA 191401194713099
  7. Keith McNellis, MDPhiladelphia, PA 191401003804907
  8. Faria Mesgar, MDPhiladelphia, PA 191401104814268

Common questions

What is Daniel Lo Chen, M.D.'s NPI number?

Daniel Lo Chen, M.D.'s National Provider Identifier (NPI) is 1376779124, issued on Jun 8, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Daniel Lo Chen, M.D. located?

The NPPES record lists a practice address at 4417 N 6TH St, Philadelphia, PA, 19140. Phone: (215) 302-3600. Providers update this record themselves, so call before visiting.

How can I verify Daniel Lo Chen, M.D.'s license?

NPPES lists Pennsylvania license number MD445417, 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 Daniel Lo Chen, M.D. prescribe under Medicare Part D?

In 2024, Daniel Lo Chen, M.D. had 2,778 Medicare Part D claims for 156 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.