Bonnie Ashby, MD
NPI 1659350130 · Internal Medicine Physician · Bryn Mawr, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bonnie Ashby, MD is a Internal Medicine Physician provider in Bryn Mawr, PA (NPI 1659350130).
Provider details
- NPI number
- 1659350130
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD-010909-E (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
1,084 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 | 846 | $131 |
| Administration of Influenza Virus VaccineG0008 | 73 | $33 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 48 | $93 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 45 | $17 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 39 | $15 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 174 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 1,094 | 134 |
| Metoprolol Succinate | 1,064 | 87 |
| Atorvastatin Calcium | 950 | 102 |
| Amlodipine Besylate | 905 | 108 |
| Pantoprazole Sodium | 727 | 60 |
| Gabapentin | 634 | 50 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-12
- Last updated
- 2017-11-09
Frequently asked questions
- What is Bonnie Ashby's NPI number?
- Bonnie Ashby's National Provider Identifier (NPI) is 1659350130, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bonnie Ashby's specialty?
- Bonnie Ashby is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Bonnie Ashby located?
- Bonnie Ashby's practice location on file with NPPES is 933 E Haverford Rd, Bryn Mawr, PA 19010-3819.
- What is Bonnie Ashby's phone number?
- The practice phone number listed in the NPPES registry for Bonnie Ashby is (610) 520-5200.
- Does Bonnie Ashby accept Medicare?
- Bonnie Ashby is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bonnie Ashby's NPI active?
- Yes — Bonnie Ashby's NPI (1659350130) is active in the NPPES registry as of the last update on 2017-11-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.