MICHAEL ADAM WARONKER DO
NPI 1275623449
Internal Medicine - Gastroenterology in Media, PA

Q: What is Michael Waronker's NPI number?

The NPI number for Michael Waronker is 1275623449. It was assigned to this individual provider in the NPPES registry on October 16, 2006.

Q: What is Michael Waronker's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Michael Waronker was last updated on February 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since October 16, 2006PECOS EnrolledAccepts Medicare Assignment

1088 W BALTIMORE PIKE STE 2203, MEDIA, PA 19063(484) 476-8390(484) 227-9066 Get Directions Write a Review

NPPES record last updated: February 7, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 7, 2026, Apr 16, 2019 (2 updates tracked since 2019).

On this page

About Michael Adam Waronker Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MICHAEL ADAM WARONKER DO (NPI 1275623449) is an individual gastroenterology provider in Media, Pennsylvania, licensed in Pennsylvania (OS009029L) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Reading Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1275623449

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameMICHAEL ADAM WARONKERCredential: DO

Location Address1088 W BALTIMORE PIKE STE 2203Media, PA 19063-5136

Mailing Address3803 W Chester Pike Ste 160Newtown Square, PA 19073-2336 · (484) 476-8390 · Fax (484) 227-9066

Phone(484) 476-8390

Fax(484) 227-9066

Sole ProprietorNo

Medical School CMSPhiladelphia College Of Osteopathic MedicineGraduated 1994

Enumeration DateOctober 16, 2006

Last NPPES UpdateFebruary 7, 20262 updates tracked since enumeration

NPPES CertifiedFebruary 7, 2026

✔ NPI 1275623449 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in PA · OS009029L

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

1088 W BALTIMORE PIKE STE 2203, Media, PA 19063

Open in Google Maps ↗

Secondary Practice Locations 3

Location 11011 W Baltimore Pike Ste 10West Grove, PA 19390-9446 · Phone (610) 869-2224

Location 2217 Reeceville Rd Ste CCoatesville, PA 19320 · Phone (610) 384-2021 · Fax (610) 384-4825

Location 3213 Reeceville Rd, Suite 17Coatesville, PA 19320-1573 · Phone (610) 384-2021 · Fax (610) 384-4825

Other Identifiers 2

Medicaid0018025690003PA

Other039059ES4PA · Medicare

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Michael Adam Waronker Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3274545785

PECOS Enrollment IDI20110425000087

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Michael Waronker reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Clinical Care Associates Of The University Of Pennsylvania Health

7.1 mi

Hepatology

701 E MARSHALL ST
West Chester, PA 19380

Reassigned Medicare billing, Pennsylvania enrollment
983 clinicians in this Medicare group

NPI 1396416251 (610) 431-5000

Main Line Healthcare

10 mi

Family Medicine

3803 WEST CHESTER PIKE, H BLDG SUITE 160
Newtown Square, PA 19073

Reassigned Medicare billing, Pennsylvania enrollment
1,638 clinicians in this Medicare group

NPI 1922077643 (484) 337-1585

Regional Gastroenterology Associates Of Lancaster, Ltd.

45 mi

Gastroenterology

2112 HARRISBURG PIKE STE 202
Lancaster, PA 17601

Reassigned Medicare billing, Pennsylvania enrollment
343 clinicians in this Medicare group

NPI 1154422806 (717) 869-4600

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

129 services95 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

102 services63 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

91 services90 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

89 services89 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

63 services43 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

53 services52 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

39 services39 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

37 services37 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

29 services23 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

24 services22 patients

Biopsy of large bowel using a flexible endoscope 45380

24 services24 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

19 services19 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

15 services15 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Reading Hospital

Acute Care Hospitals · West Reading, PA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390044

Location420 S 5th AvenueWest Reading, PA 19611 · Berks County

Emergency services Birthing friendly

Phoenixville Hospital

Acute Care Hospitals · Phoenixville, PA

3/5 CMS rating

OwnershipProprietary

CMS Certification Number390127

Location140 Nutt RoadPhoenixville, PA 19460 · Chester County

Emergency services Birthing friendly

Bryn Mawr Hospital

Acute Care Hospitals · Bryn Mawr, PA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390139

Location130 South Bryn Mawr AveBryn Mawr, PA 19010 · Montgomery County

Emergency services Birthing friendly

Main Line Hospital Lankenau

Acute Care Hospitals · Wynnewood, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390195

Location100 Lancaster AveWynnewood, PA 19096 · Montgomery County

Emergency services Birthing friendly

Riddle Memorial Hospital

Acute Care Hospitals · Media, PA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390222

Location1068 West Baltimore PikeMedia, PA 19063 · Delaware County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19063 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$137.17 typical visit price

range $59.88 – $180.99

Typical copayment $34.29 (range $14.97 – $45.24)

Most-billed visit code 99204

Established Patient

$105.21 typical visit price

range $19.30 – $147.29

Typical copayment $26.30 (range $4.82 – $36.82)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TARA PAREKH COONEY NURSE PRACTITIONER

Nurse Practitioner

1088 W BALTIMORE PIKE STE 2203
MEDIA, PA 19063

Delaware County (484) 476-8390

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael Waronker's NPI number?

The NPI number for Michael Waronker is 1275623449. It was assigned to this individual provider in the NPPES registry on October 16, 2006.

Where is Michael Waronker located?

Michael Waronker practices at 1088 W Baltimore Pike Ste 2203, Media, PA 19063. The listed phone number is (484) 476-8390.

What is Michael Waronker's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Michael Waronker enrolled in Medicare?

Yes. Michael Waronker is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Michael Waronker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Waronker reassigns Medicare benefits to 3 organizations: Clinical Care Associates Of The University Of Pennsylvania Health (West Chester, PA), Main Line Healthcare (Newtown Square, PA) and Regional Gastroenterology Associates Of Lancaster, Ltd. (Lancaster, PA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Waronker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Michael Waronker affiliated with any hospitals?

According to CMS data, Michael Waronker is affiliated with Reading Hospital, Phoenixville Hospital, Bryn Mawr Hospital, Main Line Hospital Lankenau and Riddle Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Michael Waronker was last updated on February 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.