DREW P RONNERMANN MD
NPI 1235101999
Internal Medicine - Gastroenterology in Pottstown, PA

NPI Status: Active since February 06, 2006

Contact Information

1591 MEDICAL DR
POTTSTOWN, PA
ZIP 19464
Phone: (610) 326-8005
Fax: (610) 326-9144

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  • Individual
  • Male
  • Internal Medicine
  • Gastroenterology

About DREW RONNERMANN

This page provides the complete NPI Profile along with additional information for Drew Ronnermann, an internist established in Pottstown, Pennsylvania with a medical specialization in Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1235101999 assigned on February 2006. The practitioner's primary taxonomy code is 207RG0100X with license number MD017120E (PA). The provider is registered as an individual and his NPI record was last updated 10 years ago.

NPI
1235101999
Provider Name
DREW P RONNERMANN MD
Gender
Male
Entity Type
Individual
Location Address
1591 MEDICAL DR POTTSTOWN, PA 19464
Location Phone
(610) 326-8005
Location Fax
(610) 326-9144
Mailing Address
1569 MEDICAL DR SUITE 202 POTTSTOWN, PA 19464
Mailing Phone
(610) 327-4200
Mailing Fax
(610) 326-9144
Is Sole Proprietor?
No
Enumeration Date
02-06-2006
Last Update Date
07-13-2016
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An internist like Drew Ronnermann is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
License No.
MD017120E
License State
PA
Taxonomy Description
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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
B35364MEDICARE UPIN (02) 
87361MEDICARE ID-TYPE UNSPECIFIED (04) 
80039002OTHER (01)PAAMERICHOICE
100009637MEDICARE PIN (08) 

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

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

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.

This service was performed 41 times for 41 patients

Biopsy of large bowel using a flexible endoscope

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.

This service was performed 81 times for 81 patients

Colorectal cancer screening; colonoscopy on individual at high risk

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

This service was performed 72 times for 70 patients

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

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.

This service was performed 22 times for 22 patients

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

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.

This service was performed 19 times for 19 patients

Diagnostic exam of large bowel using a flexible endoscope

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.

This service was performed 11 times for 11 patients

Established patient office or other outpatient visit, 10-19 minutes

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

This service was performed 29 times for 27 patients

Established patient office or other outpatient visit, 20-29 minutes

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

This service was performed 199 times for 146 patients

Established patient office or other outpatient visit, 30-39 minutes

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.

This service was performed 97 times for 84 patients

New patient office or other outpatient visit, 30-44 minutes

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

This service was performed 40 times for 40 patients

New patient office or other outpatient visit, 45-59 minutes

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.

This service was performed 44 times for 44 patients

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

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.

This service was performed 64 times for 64 patients

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1235101999, we treat the final digit (9) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
2
Unchanged
Pos 3
3
Doubled → 6
Pos 4
5
Unchanged
Pos 5
1
Doubled → 2
Pos 6
0
Unchanged
Pos 7
1
Doubled → 2
Pos 8
9
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
9
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 3 → 6 1 → 2 1 → 2 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 2 + 6 + 5 + 2 + 0 + 2 + 9 + 1 + 8 + 24 = 61

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1235101999.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine
1591 MEDICAL DR
POTTSTOWN, PA 19464
Dermatology (Procedural Dermatology)
1591 MEDICAL DR
POTTSTOWN, PA 19464
Anesthesiology (Pain Medicine)
1591 MEDICAL DR
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Radiology (Vascular & Interventional Radiology)
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POTTSTOWN, PA 19464
Clinic/Center (Ambulatory Surgical)
1591 MEDICAL DR
POTTSTOWN, PA 19464
Internal Medicine (Gastroenterology)
1591 MEDICAL DR
POTTSTOWN, PA 19464
Preferred Provider Organization
1591 MEDICAL DR
POTTSTOWN, PA 19464
Registered Nurse (Diabetes Educator)
1591 MEDICAL DR
POTTSTOWN, PA 19464
Internal Medicine (Hematology & Oncology)
1591 MEDICAL DR
POTTSTOWN, PA 19464
Internal Medicine (Nephrology)
1591 MEDICAL DR
POTTSTOWN, PA 19464
Nurse Practitioner
1591 MEDICAL DR
POTTSTOWN, PA 19464
Internal Medicine (Hematology & Oncology)
1591 MEDICAL DR
POTTSTOWN, PA 19464
Internal Medicine (Gastroenterology)
1591 MEDICAL DR
POTTSTOWN, PA 19464
Internal Medicine (Gastroenterology)
1591 MEDICAL DR
POTTSTOWN, PA 19464
Internal Medicine (Cardiovascular Disease)
1591 MEDICAL DR
POTTSTOWN, PA 19464
Internal Medicine (Pulmonary Disease)
1591 MEDICAL DR
POTTSTOWN, PA 19464
Nurse Practitioner
1591 MEDICAL DR
POTTSTOWN, PA 19464
Nurse Practitioner (Adult Health)
1591 MEDICAL DR
POTTSTOWN, PA 19464
Internal Medicine (Nephrology)
1591 MEDICAL DR
POTTSTOWN, PA 19464
Physician Assistant
1591 MEDICAL DR
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Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1235101999, enumerated as an "individual" on February 06, 2006.

The provider is located at 1591 MEDICAL DR POTTSTOWN, PA 19464 and the phone number is (610) 326-8005.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.