William J. Warning, MD
Family Medicine Physician · Springfield, PA
William J. Warning, MD is a family medicine physician with a practice address in Springfield, Pennsylvania, and NPI 1134273733, issued on Jan 22, 2007. Check the license (Pennsylvania MD042499L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- William J. Warning
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD042499L PA
Self-reported in NPPES; status is on the state search - Practice location
- 1260 E Woodland Ave, Springfield, PA 19064
- Phone
- (610) 690-4490
- Enumerated
- Jan 22, 2007
- Record last updated
- Dec 23, 2025
- Fax
- (610) 328-9391
- Medicaid ID
- 001609064 PA
- Medicare enrollment
- Enrolled (PECOS I20101123000993); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Also registered at 1260 E Woodland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniel Asihene, M.D.Family Medicine Physician1639558901
- David Baxter, D.O.Sports Medicine (Family Medicine) Physician1477932762
- Cansu Baycora, DOFamily Medicine Physician1609403971
- Melissa Broyles, DOFamily Medicine Physician1285660977
- John Cook, MA, LPCMental Health Counselor1184018962
- Anne Donnelly, M.D.Family Medicine Physician1396719639
Verify William J. Warning in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD042499LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average family medicine physician in 2024
637 Medicare Part D claims for 63 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.
Most prescribed
- Atorvastatin Calcium71 claims
- Amlodipine Besylate31 claims
- Cyclobenzaprine Hcl27 claims
- Metformin Hcl Er23 claims
- Hydrochlorothiazide21 claims
- Lisinopril18 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.
Bills Medicare through one group practice
- Clinical Specialty AssociatesSpringfield, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William J. Warning among 7,483 family medicine physician records in Pennsylvania
William J. Warning, 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 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 46% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1988 · median 2005 among the 4,529 with a school on file
- Record last updated2025 · 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).
49 family medicine physician records list a practice address in Springfield
They are 49 of the 603 NPPES records with a practice address in Springfield, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Springfield → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Melissa Broyles, DOSpringfield, PA 190641285660977
- Sean Conroy, D.O.Springfield, PA 190641902893027
- Christopher Davis, DOSpringfield, PA 190641922196724
- William Demedio, M.D.Springfield, PA 190641659313419
- Anne Donnelly, M.D.Springfield, PA 190641396719639
- Christine Donohue-Henry, MDSpringfield, PA 190641942207212
- Amy Erdman, DOSpringfield, PA 190641730294141
- Daniel Martin, MDSpringfield, PA 190641598767816
Common questions
What is William J. Warning, MD's NPI number?
William J. Warning, MD's National Provider Identifier (NPI) is 1134273733, issued on Jan 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William J. Warning, MD located?
The NPPES record lists a practice address at 1260 E Woodland Ave, Springfield, PA, 19064. Phone: (610) 690-4490. Providers update this record themselves, so call before visiting.
How can I verify William J. Warning, MD's license?
NPPES lists Pennsylvania license number MD042499L, 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 William J. Warning, MD prescribe under Medicare Part D?
In 2024, William J. Warning, MD had 637 Medicare Part D claims for 63 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.