NPPES file of Aug 9, 2026

Jack Van Ko, MD

Emergency Medicine Physician · York, PA

Jack Van Ko, MD is an emergency medicine physician with a practice address in York, Pennsylvania, and NPI 1023143674, issued on Feb 23, 2007. Check the license (Pennsylvania MD466504, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023143674
Name
Jack Van Ko
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
MD466504 PA
MD32311 DC
D0055885 MD
Self-reported in NPPES; status is on the state search
Practice location
1001 S George St, York, PA 17403
Phone
(717) 851-2450
Enumerated
Feb 23, 2007
Record last updated
Apr 5, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(717) 851-3469
Medicare enrollment
Enrolled (PECOS I20190306000015); accepts Medicare assignment
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 1001 S George St

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

  1. Saira Aamir, MDInternal Medicine Physician1184515686
  2. Mohammed Asfar Abdus SamadInternal Medicine Physician1487491353
  3. Elias Abebe, MDNeonatal-Perinatal Medicine Physician1831358480
  4. Amanda Achenbach, PACMedical Physician Assistant1972865095
  5. Basilio Addo, M.DCardiovascular Disease Physician1124515838
  6. Ayotemi AdewalePsychiatry Physician1801727300

Verify Jack Van Ko 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 MD466504
    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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75% fewer Medicare Part D claims than the average emergency medicine physician in 2024

56 Medicare Part D claims for 49 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Jack Ko56
  2. Specialty average226

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.

The practice group's MIPS final score for 2023 (Medicare payment program): 36.9 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.

  1. Qualityout of 100 · 30% of the final score20.5
  2. Costout of 100 · 30%60.4
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities20 of 40 points · 15%50.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. York HospitalYork, PA

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

Jack Van Ko among 3,911 emergency medicine physician records in Pennsylvania

Jack Van Ko, MD is one of 3,911 emergency medicine physician records with a practice address in Pennsylvania. 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 2007, is newer than 31% of them.

  • NPI issued2007 · 31% of these records are older, 62% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1996 · median 2013 among the 2,231 with a school on file
  • Record last updated2019 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

184 emergency medicine physician records list a practice address in York

They are 184 of the 4,575 NPPES records with a practice address in York, and 3,911 emergency medicine physician records in Pennsylvania.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. James Amsterdam, D.M.D., M.D.York, PA 174031003852807
  2. Ronald Benenson, M.D.York, PA 174031760410252
  3. Michael Bohrn, M.D.York, PA 174031912936444
  4. John Cole, MDYork, PA 174031144293531
  5. Aizad Dasti, M.D.York, PA 174031518995182
  6. Karen Dipasquale, DOYork, PA 174031902824535
  7. Thomas Falvo, D.O.York, PA 174031568492148
  8. Lynn Jensen, M.D.York, PA 174031508893256

Common questions

What is Jack Van Ko, MD's NPI number?

Jack Van Ko, MD's National Provider Identifier (NPI) is 1023143674, issued on Feb 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jack Van Ko, MD located?

The NPPES record lists a practice address at 1001 S George St, York, PA, 17403. Phone: (717) 851-2450. Providers update this record themselves, so call before visiting.

How can I verify Jack Van Ko, MD's license?

NPPES lists Pennsylvania license number MD466504, 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 Jack Van Ko, MD prescribe under Medicare Part D?

In 2024, Jack Van Ko, MD had 56 Medicare Part D claims for 49 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Jack Van Ko, MD's MIPS final score?

The 2023 MIPS final score is 36.9 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.