Diana Warstler
NPI 1225348519 · Family Nurse Practitioner · Bethlehem, PA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Warstler is a Family Nurse Practitioner provider in Bethlehem, PA (NPI 1225348519).
Provider details
- NPI number
- 1225348519
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- RN538921 (PA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 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
650 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 264 | $103 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 176 | $73 |
| Automated Urinalysis Test81003 | 52 | $2 |
| Amplifed Dna Or Rna Probe Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) Antigen87635 | 47 | $50 |
| Detection Test By Nucleic Acid for Strep (streptococcus, Group A), Amplified Probe Technique87651 | 32 | $34 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 |
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 |
|---|---|---|
| Prednisone | 79 | 76 |
| Cephalexin | 74 | 74 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 55 | 44 |
| Azithromycin | 47 | 47 |
| Methylprednisolone | 46 | 46 |
| Amoxicillin | 45 | 43 |
| Azelastine Hcl | 38 | 30 |
| Doxycycline Hyclate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-10-20
- Last updated
- 2022-11-10
- Certified
- 2022-11-10
Frequently asked questions
- What is Diana Warstler's NPI number?
- Diana Warstler's National Provider Identifier (NPI) is 1225348519, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Warstler's specialty?
- Diana Warstler is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Diana Warstler located?
- Diana Warstler's practice location on file with NPPES is Express Care, Bethlehem, PA 18017.
- What is Diana Warstler's phone number?
- The practice phone number listed in the NPPES registry for Diana Warstler is (484) 884-8146.
- Does Diana Warstler accept Medicare?
- Diana Warstler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Warstler's NPI active?
- Yes — Diana Warstler's NPI (1225348519) is active in the NPPES registry as of the last update on 2022-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.