Doctor profile · Federal record

Dr. Bonnie Ashby, MD

Internal Medicine Physician (CMS: Internal Medicine) · Geriatric Medicine (Internal Medicine) Physician · Infectious Disease Physician · Bryn Mawr, PA

  • NPI 1659350130
  • Accepts Medicare
  • 58 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
933 E Haverford RD
Bryn Mawr, PA 190103819
(610) 520-5200
fax (610) 520-1998

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
November 9, 2017
Year of graduation
1968 — 58 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Pennsylvania #MD-010909-E

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659350130. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,357
Distinct HCPCS
10
Medicare allowed
$159,005
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 970 335 $133
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 102 101 $76
G0008 Administration of influenza virus vaccine 102 101 $32
99213 Established patient office or other outpatient visit, 20-29 minutes 67 58 $94
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 28 26 $15
99212 Established patient office or other outpatient visit, 10-19 minutes 22 20 $59
99496 Transitional care management services for problem of high complexity 19 16 $288
90480 Admn sarscov2 vacc 1 dose 17 17 $43
91322 Sarscov2 vac 50 mcg/0.5ml im 17 17 $143
99215 Established patient office or other outpatient visit, 40-54 minutes 13 13 $186

In context: peer comparison

Among 12 peers in Bryn Mawr Internal Medicine Physician, average services per provider: 112. This provider delivers 12× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
8,562
Patients
1,087
Total drug cost
$258,388
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 1,092 143 $12,398
Metoprolol Succinate Generic 891 92 $8,621
Amlodipine Besylate Generic 792 124 $4,850
Atorvastatin Calcium Generic 727 115 $5,842
Losartan Potassium Generic 614 105 $7,567
Gabapentin Generic 601 57 $5,375
Omeprazole Generic 595 66 $5,510
Pantoprazole Sodium Generic 534 65 $5,740
Rosuvastatin Calcium Generic 509 103 $9,540
Furosemide Generic 458 37 $2,219

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Bonnie Ashby's medical specialty?
Dr. Bonnie Ashby practices Internal Medicine Physician in Bryn Mawr, PA.
Where does Dr. Bonnie Ashby practice?
Dr. Bonnie Ashby practices at 933 E Haverford RD, Bryn Mawr, PA 190103819. Office phone: 6105205200.
What is Dr. Bonnie Ashby's NPI?
Dr. Bonnie Ashby's National Provider Identifier (NPI) is 1659350130, issued by NPPES.
Does Dr. Bonnie Ashby accept Medicare assignment?
Yes. Dr. Bonnie Ashby accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Bonnie Ashby commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage (HCPCS 90694); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.