NPPES file of Aug 9, 2026

David J. Chalker, D.O.

Family Medicine Physician · York, PA

David J. Chalker, D.O. is a family medicine physician with a practice address in York, Pennsylvania, and NPI 1497726293, issued on Jan 30, 2006. Check the license (Pennsylvania OS004873L, 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
1497726293
Name
David J. Chalker
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
OS004873L PA
Self-reported in NPPES; status is on the state search
Practice location
1689 Kenneth RD, York, PA 17408
Phone
(717) 852-7766
Enumerated
Jan 30, 2006
Record last updated
Jul 20, 2023
Fax
(717) 852-7862
Medicaid ID
000908062 PA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify David J. Chalker 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 OS004873L
    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

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45% fewer Medicare Part D claims than the average family medicine physician in 2024

1,942 Medicare Part D claims for 407 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 33 claims were for opioids.

  1. David Chalker1,942
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium211 claims
  2. Lisinopril84 claims
  3. Prednisone78 claims
  4. Amlodipine Besylate64 claims
  5. Albuterol Sulfate Hfa53 claims
  6. Rosuvastatin Calcium52 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.

Industry payments in 2024: $3,255.59

169 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Chalker$3,255.59
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

David J. Chalker among 7,483 family medicine physician records in Pennsylvania

David J. Chalker, D.O. is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 79% 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 12% of them.

  • NPI issued2006 · 12% of these records are older, 53% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 61% of these records are
  • Record last updated2023 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

200 family medicine physician records list a practice address in York

They are 200 of the 4,575 NPPES records with a practice address in York, and 7,483 family medicine physician records in Pennsylvania.

The 8 family medicine physician records with the nearest ZIP codes

  1. Brittany Barker, D.O.York, PA 174081134414907
  2. Christian Kone, M.DYork, PA 174081730351867
  3. Adelle Kurtz, M.D.York, PA 174081306805817
  4. Kimberly Lumsden, MD, PHDYork, PA 174081386935708
  5. Preeti Murudkar, MDYork, PA 174081902006455
  6. Snehal Patel, M.D.York, PA 174081629038393
  7. Kieren Knapp, D.O.Jacobus, PA 174071417911652
  8. John Doherty, MDYork, PA 174061255351946

Common questions

What is David J. Chalker, D.O.'s NPI number?

David J. Chalker, D.O.'s National Provider Identifier (NPI) is 1497726293, issued on Jan 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David J. Chalker, D.O. located?

The NPPES record lists a practice address at 1689 Kenneth RD, York, PA, 17408. Phone: (717) 852-7766. Providers update this record themselves, so call before visiting.

How can I verify David J. Chalker, D.O.'s license?

NPPES lists Pennsylvania license number OS004873L, 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 David J. Chalker, D.O. prescribe under Medicare Part D?

In 2024, David J. Chalker, D.O. had 1,942 Medicare Part D claims for 407 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.