John K. Wang, MD
Internal Medicine Physician · West Chester, PA
John K. Wang, MD is an internal medicine physician with a practice address in West Chester, Pennsylvania, and NPI 1619920923, issued on May 18, 2006. Check the license (Pennsylvania MD430301, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- John K. Wang
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD430301 PA
C10006344 DE
Self-reported in NPPES; status is on the state search - Practice location
- 701 E. Marshall St, West Chester, PA 19380
- Phone
- (610) 431-5262
- Enumerated
- May 18, 2006
- Record last updated
- Mar 21, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (302) 366-1240
- Medicaid ID
- 0001190201 DE
- Medicare enrollment
- Enrolled (PECOS I20070503000399); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 1995
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 701 E. Marshall St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John K. Wang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD430301Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 86.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $145.38
1 payment: food and beverage; the largest payer was Stryker Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Clinical Care Associates OF The University OF Pennsylvania Health.West Chester, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John K. Wang among 7,300 internal medicine physician records in Pennsylvania
John K. Wang, MD 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 64% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1995 · 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).
57 internal medicine physician records list a practice address in West Chester
They are 57 of the 2,831 NPPES records with a practice address in West Chester, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in West Chester → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Douglas Atlas, MDWest Chester, PA 193801932168895
- Helise Bichefsky, DOWest Chester, PA 193801770533267
- Donald Emery, MDWest Chester, PA 193801730139130
- Renee Giometti, MDWest Chester, PA 193801639129208
- Dwight Johnson, DOWest Chester, PA 193801598738833
- Edward Ma, MDWest Chester, PA 193801730153081
- Martye Marshall, MDWest Chester, PA 193801841253648
- Richard Oyelewu, MDWest Chester, PA 193801659345601
Common questions
What is John K. Wang, MD's NPI number?
John K. Wang, MD's National Provider Identifier (NPI) is 1619920923, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John K. Wang, MD located?
The NPPES record lists a practice address at 701 E. Marshall St, West Chester, PA, 19380. Phone: (610) 431-5262. Providers update this record themselves, so call before visiting.
How can I verify John K. Wang, MD's license?
NPPES lists Pennsylvania license number MD430301, 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.
What is John K. Wang, MD's MIPS final score?
The 2023 MIPS final score is 86.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.