NPPES file of Aug 9, 2026

Alan Y. Tso, M.D.

Internal Medicine Physician · Newark, NJ

Alan Y. Tso, M.D. is an internal medicine physician with a practice address in Newark, New Jersey, and NPI 1871580647, issued on Oct 5, 2005. Check the license (New Jersey 25MA08841200, as entered in NPPES) on the New Jersey State Board of Medical Examiners; 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
1871580647
Name
Alan Y. Tso
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
25MA08841200 NJ
196000 NY
Self-reported in NPPES; status is on the state search
Practice location
741 Broadway, Newark, NJ 07104
Phone
(973) 483-1300
Enumerated
Oct 5, 2005
Record last updated
Feb 25, 2022
Fax
(973) 676-1396
Medicare enrollment
Enrolled (PECOS I20191002000903); accepts Medicare assignment
Medical or professional school
State University Of Ny Upstate Medical University, 1990
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

Also registered at 741 Broadway

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

  1. Chidi Achebe, M.D.Pediatrics Physician1841558806
  2. Luis Alzate-Duque, M.D.Internal Medicine Physician1144630229
  3. Camilla Artwell-Nicholson, FNP-CNurse Practitioner1588306377
  4. Natisha Beaubrun, WHNPWomen's Health Nurse Practitioner1770388688
  5. Francis Bongah, APN, NP-CAdult Health Nurse Practitioner1942434188
  6. Jorane Bonheur, APNAdult Health Nurse Practitioner1043669245

Verify Alan Y. Tso in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 25MA08841200
    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 New Jersey 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

69% fewer Medicare Part D claims than the average internal medicine physician in 2024

985 Medicare Part D claims for 110 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Alan Tso985
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium75 claims
  2. Lisinopril59 claims
  3. Metformin Hcl47 claims
  4. Amlodipine Besylate43 claims
  5. Gabapentin42 claims
  6. Losartan Potassium33 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 2 group practices

  1. Newark Community Health Centers IncNewark, NJ
  2. University Physician Associates OF New Jersey IncNewark, NJ

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

Alan Y. Tso among 4,632 internal medicine physician records in New Jersey

Alan Y. Tso, M.D. is one of 4,632 internal medicine physician records with a practice address in New Jersey. 82% 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, 92% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1990 · median 2000 among the 3,132 with a school on file
  • Record last updated2022 · 63% 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 Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

184 internal medicine physician records list a practice address in Newark

They are 184 of the 4,875 NPPES records with a practice address in Newark, and 4,632 internal medicine physician records in New Jersey.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Luis Alzate-Duque, M.D.Newark, NJ 071041144630229
  2. Arthur Badillo, MDNewark, NJ 071041770635484
  3. Miroslawa Balowska, MDNewark, NJ 071041912168303
  4. Vincent Barba, M.D.Newark, NJ 071041134139876
  5. Claudia Berdugo, D.O.Newark, NJ 071041841285780
  6. Katherine Fung, D.O.Newark, NJ 071041316393465
  7. Jose Gomez, MDNewark, NJ 071041104818129
  8. Mortaza Jafari, MDNewark, NJ 071041053498097

Common questions

What is Alan Y. Tso, M.D.'s NPI number?

Alan Y. Tso, M.D.'s National Provider Identifier (NPI) is 1871580647, issued on Oct 5, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Alan Y. Tso, M.D. located?

The NPPES record lists a practice address at 741 Broadway, Newark, NJ, 07104. Phone: (973) 483-1300. Providers update this record themselves, so call before visiting.

How can I verify Alan Y. Tso, M.D.'s license?

NPPES lists New Jersey license number 25MA08841200, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Alan Y. Tso, M.D. prescribe under Medicare Part D?

In 2024, Alan Y. Tso, M.D. had 985 Medicare Part D claims for 110 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.