Doctor profile · Federal record

Dr. Michael Waronker, DO

Gastroenterology Physician (CMS: Gastroenterology) · Media, PA

  • NPI 1275623449
  • Accepts Medicare
  • 32 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
1088 W Baltimore Pike Ste 2203
Media, PA 190635136
(484) 476-8390
fax (484) 227-9066
Additional location
1011 W Baltimore Pike Ste 10
West Grove, PA 193909446
(610) 869-2224
Additional location
213 Reeceville RD, Suite 17
Coatesville, PA 193201573
(610) 384-2021
fax (610) 384-4825
Show 1 more location
Additional location
217 Reeceville RD Ste C
Coatesville, PA 19320
(610) 384-2021
fax (610) 384-4825
Mailing address
3803 W Chester Pike Ste 160
Newtown Square, PA 190732336

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
February 7, 2026
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Pennsylvania #OS009029L
Medicaid
PA #0018025690003

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275623449. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
870
Distinct HCPCS
10
Medicare allowed
$108,970
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 148 138 $134
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 139 89 $81
45380 Biopsy of large bowel using a flexible endoscope 103 101 $160
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 83 62 $51
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 75 74 $116
99214 Established patient office or other outpatient visit, 30-39 minutes 69 55 $133
45378 Diagnostic exam of large bowel using a flexible endoscope 52 52 $177
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 46 43 $107
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 37 28 $122
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 36 36 $261

In context: peer comparison

Among 5 peers in this city , average services per provider: 150. This provider delivers 5.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$35
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Medtronic, Inc. 1 $34.51

By nature of payment

Food and Beverage
$35

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
69
Patients
29
Total drug cost
$10,151
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 49 29 $1,558
Mesalamine Generic 20 0 $8,593

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Waronker's medical specialty?
Dr. Michael Waronker practices Gastroenterology Physician in Media, PA.
Where does Dr. Michael Waronker practice?
Dr. Michael Waronker practices at 1088 W Baltimore Pike Ste 2203, Media, PA 190635136. Office phone: 4844768390.
What is Dr. Michael Waronker's NPI?
Dr. Michael Waronker's National Provider Identifier (NPI) is 1275623449, issued by NPPES.
Does Dr. Michael Waronker accept Medicare assignment?
Yes. Dr. Michael Waronker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Waronker commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.