William Warning, MD
NPI 1134273733 · Family Medicine Physician · Springfield, PA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Warning, MD is a Family Medicine Physician provider in Springfield, PA (NPI 1134273733).
Provider details
- NPI number
- 1134273733
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD042499L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
128 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 28 | $80 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 26 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 22 | $119 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 21 | $132 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 19 | $81 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 71 | 19 |
| Amlodipine Besylate | 31 | 11 |
| Cyclobenzaprine Hcl | 27 | — |
| Metformin Hclbrand: Metformin Hcl Er | 23 | — |
| Hydrochlorothiazide | 21 | — |
| Lisinopril | 18 | — |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-22
- Last updated
- 2025-12-23
- Certified
- 2025-12-23
Frequently asked questions
- What is William Warning's NPI number?
- William Warning's National Provider Identifier (NPI) is 1134273733, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Warning's specialty?
- William Warning is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Warning located?
- William Warning's practice location on file with NPPES is 1260 E Woodland Ave, Springfield, PA 19064-3969.
- What is William Warning's phone number?
- The practice phone number listed in the NPPES registry for William Warning is (610) 690-4490.
- Does William Warning accept Medicare?
- William Warning is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Warning's NPI active?
- Yes — William Warning's NPI (1134273733) is active in the NPPES registry as of the last update on 2025-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.