Michael A. Warner, MD
Family Medicine Physician · West Chester, PA
Michael A. Warner, MD is a family medicine physician with a practice address in West Chester, Pennsylvania, and NPI 1437266137, issued on Aug 25, 2006. Check the license (Pennsylvania MD042357L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Michael A. Warner
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD042357L PA
Self-reported in NPPES; status is on the state search - Practice location
- 1601 Mcdaniel Dr, West Chester, PA 19380
- Phone
- (484) 905-8000
- Enumerated
- Aug 25, 2006
- Record last updated
- Nov 14, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (484) 905-8005
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Also registered at 1601 Mcdaniel Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joseph Quintiliani, D.O.Family Medicine Physician1932544467
Verify Michael A. Warner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD042357LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average family medicine physician in 2024
238 Medicare Part D claims for 20 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 52 claims were for opioids.
Most prescribed
- Oxycodone Hcl27 claims
- Levothyroxine Sodium19 claims
- Morphine Sulfate Er14 claims
- Zolpidem Tartrate12 claims
- Armodafinil11 claims
- Celecoxib11 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: $16.54
1 payment: food and beverage; the largest payer was Amgen 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Michael A. Warner among 7,483 family medicine physician records in Pennsylvania
Michael A. Warner, MD 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 updated2011 · 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).
57 family 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 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in West Chester → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Catherine Bergan, DOWest Chester, PA 193801629058631
- Beth Bingaman, DOWest Chester, PA 193801568442432
- William Carroll, MDWest Chester, PA 193801366422057
- Paul Debacco, MDWest Chester, PA 193801013987783
- Mary Lisa Gunning, MDWest Chester, PA 193801457351587
- Louis Hirshberg, DOWest Chester, PA 193801063406239
- William Lehner, MDWest Chester, PA 193801982684882
- George Limpert, MDWest Chester, PA 193801467411694
Common questions
What is Michael A. Warner, MD's NPI number?
Michael A. Warner, MD's National Provider Identifier (NPI) is 1437266137, issued on Aug 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael A. Warner, MD located?
The NPPES record lists a practice address at 1601 Mcdaniel Dr, West Chester, PA, 19380. Phone: (484) 905-8000. Providers update this record themselves, so call before visiting.
How can I verify Michael A. Warner, MD's license?
NPPES lists Pennsylvania license number MD042357L, 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 Michael A. Warner, MD prescribe under Medicare Part D?
In 2024, Michael A. Warner, MD had 238 Medicare Part D claims for 20 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.