NPPES file of Aug 9, 2026

Alan Yen-Chen Chou, MD

Pain Medicine (Anesthesiology) Physician · Allentown, PA

Alan Yen-Chen Chou, MD is a pain medicine (anesthesiology) physician with a practice address in Allentown, Pennsylvania, and NPI 1720406846, issued on Apr 4, 2014. Check the license (Pennsylvania MD464589, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1720406846
Name
Alan Yen-Chen Chou
Credential
MD
Primary taxonomy
Pain Medicine (Anesthesiology) Physician 207LP2900X
License numbers
MD464589 PA
MT206073 PA
Self-reported in NPPES; status is on the state search
Practice location
4031 Primrose Dr, Allentown, PA 18104
Phone
(610) 606-8556
Enumerated
Apr 4, 2014
Record last updated
Mar 28, 2025
Medicare enrollment
Enrolled (PECOS I20180822000531); accepts Medicare assignment
Medical or professional school
Columbia University College Of Physicians And Surgeons, 2014
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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8 nearest pain medicine (anesthesiology) physician records → All 200 in Pennsylvania → Look up another NPI →

Verify Alan Yen-Chen Chou 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 MD464589    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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Bills Medicare through one group practice

  1. Lehigh Valley Physician GroupAllentown, PA

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

Alan Yen-Chen Chou among 200 pain medicine (anesthesiology) physician records in Pennsylvania

Alan Yen-Chen Chou, MD is one of 200 pain medicine (anesthesiology) physician records with a practice address in Pennsylvania. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 75% of them.

  • NPI issued2014 · 75% of these records are older, 22% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2014 · median 2007 among the 153 with a school on file
  • Record last updated2025 · 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 207LP2900X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pain Medicine (Anesthesiology) Physician providers in Pennsylvania

There are 200 pain medicine (anesthesiology) physician records in Pennsylvania.

All 200 in Pennsylvania → Every provider in Allentown → Pain Medicine (Anesthesiology) Physician nationwide →

The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes

  1. Robert Corba, D.O.Allentown, PA 181041124016845
  2. Satish Mody, MDAllentown, PA 181041578643227
  3. Ivan Perry, DOAllentown, PA 181041285798017
  4. Robert Wertz, MDAllentown, PA 181041750379426
  5. Laura DeschampsAllentown, PA 181031427402429
  6. Soon Jung, MDAllentown, PA 181031528407392
  7. Yasin Khan, M.D.Allentown, PA 181031952398604
  8. Bruce Nicholson, M.D.Allentown, PA 181031669460481

Common questions

What is Alan Yen-Chen Chou, MD's NPI number?

Alan Yen-Chen Chou, MD's National Provider Identifier (NPI) is 1720406846, issued on Apr 4, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Alan Yen-Chen Chou, MD located?

The NPPES record lists a practice address at 4031 Primrose Dr, Allentown, PA, 18104. Phone: (610) 606-8556. Providers update this record themselves, so call before visiting.

How can I verify Alan Yen-Chen Chou, MD's license?

NPPES lists Pennsylvania license number MD464589, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.