RONALD P MARKOS MD
NPI 1851399786
Internal Medicine - Gastroenterology in Sellersville, PA

Q: What is Ronald Markos's NPI number?

The NPI number for Ronald Markos is 1851399786. It was assigned to this individual provider in the NPPES registry on July 13, 2005.

Q: What is Ronald Markos'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 Ronald Markos was last updated on April 27, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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 July 13, 2005PECOS EnrolledAccepts Medicare Assignment

817 LAWN AVE, SELLERSVILLE, PA 18960(215) 257-5071(215) 257-1801 Get Directions Write a Review

NPPES record last updated: April 27, 2012. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Ronald P Markos Md NPPES

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

RONALD P MARKOS MD (NPI 1851399786) is an individual gastroenterology provider in Sellersville, Pennsylvania, licensed in Pennsylvania (MD041987L) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Lansdale Hospital, and is a graduate of Hahnemann University College Of Medicine (1988).

NPPES Registry Identity

NPI1851399786

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameRONALD P MARKOSCredential: MD

Location Address817 LAWN AVESellersville, PA 18960-1549

Mailing Address817 Lawn AveSellersville, PA 18960-1549 · (215) 257-5071 · Fax (215) 257-1801

Phone(215) 257-5071

Fax(215) 257-1801

Sole ProprietorNo

Medical School CMSHahnemann University College Of MedicineGraduated 1988

Enumeration DateJuly 13, 2005

Last NPPES UpdateApril 27, 2012

✔ NPI 1851399786 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 · MD041987L

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.

817 LAWN AVE, Sellersville, PA 18960

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ronald P Markos Md 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 ID5193625051

PECOS Enrollment IDI20100910000140

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.

Areas of Expertise CMS Part B claims 20

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.

Injection, vedolizumab, intravenous, 1 mg J3380

Vedolizumab is a medication given via injection. It's used to treat certain bowel conditions (such as Crohn's disease, ulcerative colitis) by reducing inflammation. It works by blocking a certain protein that causes this inflammation.

8,400 services15 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

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.

315 services261 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.

254 services254 patients

Removal of external hemorrhoids by rubber banding 46221

Rubber band ligation is a procedure used to treat external hemorrhoids. A doctor places small rubber bands around the base of the hemorrhoids. This cuts off blood supply, causing them to shrink and fall off, typically within a week.

157 services76 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.

135 services129 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

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.

120 services115 patients

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.

108 services92 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

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.

96 services96 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

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.

94 services94 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.

49 services49 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.

39 services39 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.

35 services35 patients

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

32 services32 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

31 services17 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.

30 services30 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.

19 services15 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.

17 services17 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.

14 services14 patients

Dilation of esophagus 43450

Dilation of the esophagus is a procedure aimed to stretch or open up your esophagus (the tube connecting your mouth to your stomach) when it's narrow. It helps to improve swallowing and alleviate discomfort. It's typically performed using a flexible tube or balloon, under sedation.

13 services13 patients

Diagnostic exam of anus using an endoscope 46600

This procedure involves using a thin, flexible instrument called an endoscope to examine the anal area. It helps detect any abnormal conditions or issues. It's a safe, routine exam performed by a healthcare professional.

13 services13 patients

Hospital Affiliations CMS Care Compare 5

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

Lansdale Hospital

Acute Care Hospitals · Lansdale, PA

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390012

Location100 Medical Campus DriveLansdale, PA 19446 · Montgomery County

Emergency services

St Lukes Quakertown Hospital

Acute Care Hospitals · Quakertown, PA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390035

Location3000 St. Luke's DriveQuakertown, PA 18951 · Bucks County

Emergency services Birthing friendly

St Luke's Hospital Bethlehem

Acute Care Hospitals · Bethlehem, PA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390049

Location801 Ostrum StreetBethlehem, PA 18015 · Northampton County

Emergency services Birthing friendly

Grand View Health

Acute Care Hospitals · Sellersville, PA

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number390057

Location700 Lawn AvenueSellersville, PA 18960 · Bucks County

Emergency services

Doylestown Hospital

Acute Care Hospitals · Doylestown, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390203

Location595 West State StDoylestown, PA 18901 · Bucks County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 18960 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Appropriate Follow-Up Interval for Normal Colonoscopy in Average Risk Patients

Percentage of patients aged 50 to 75 years of age receiving a screening colonoscopy without biopsy or polypectomy who had a recommended follow-up interval of at least 10 years for repeat colonoscopy documented in their colonoscopy report

100%307 patients

Colonoscopy Interval for Patients with a History of Adenomatous Polyps - Avoidance of Inappropriate Use

Percentage of patients aged 18 years and older receiving a surveillance colonoscopy, with a history of a prior adenomatous polyp(s) in previous colonoscopy findings, which had an interval of 3 or more years since their last colonoscopy

100%570 patients5/55-star benchmark: 100%

Colorectal Cancer Screening

Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer

100%784 patients5/55-star benchmark: 99%

Documentation of Current Medications in the Medical Record

Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.

100%1,733 patients5/55-star benchmark: 100%

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

77%2,307 patients3/55-star benchmark: 100%

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

95%368 patients4/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.

12%1,788 patients1/55-star benchmark: 99%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…

99%1,361 patients4/55-star benchmark: 100%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

94%1,788 patients4/55-star benchmark: 100%

Secure Messaging

For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…

4%1,788 patients1/55-star benchmark: 59%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4035

Other-Enteral and Parenteral · category OB006N

1 supplier15 claims449 services$4.19 avg. paid by Medicare

Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4152

Other-Enteral and Parenteral · category OB006N

1 supplier17 claims7,373 services$0.26 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

KATHLEEN A KUCER, MDPC

Dermatology (Procedural Dermatology)

817 LAWN AVE
SELLERSVILLE, PA 18960

Bucks County (215) 257-0196

THE ENDOSCOPY CENTER LLC

Clinic/Center

817 LAWN AVE
SELLERSVILLE, PA 18960

Bucks County (215) 453-3050

LEAH G WEIDEMOYER CRNP

Nurse Practitioner (Adult Health)

817 LAWN AVE, SUITE 4
SELLERSVILLE, PA 18960

Bucks County (215) 257-8391

MATTHEW CULYBA

Internal Medicine

817 LAWN AVE, FALK CLINIC SUITE 700
SELLERSVILLE, PA 18960

Bucks County (215) 257-8450

DR. RAFAL W SAWICKI MD

Internal Medicine (Pulmonary Disease)

817 LAWN AVE, SUITE 4
SELLERSVILLE, PA 18960

Bucks County (215) 257-8391

KATHLEEN LUKASZEWSKI DO

Internal Medicine (Gastroenterology)

817 LAWN AVE
SELLERSVILLE, PA 18960

Bucks County (215) 257-5071

DR. ABBY IRENE HUANG M.D.

Internal Medicine (Infectious Disease)

817 LAWN AVE
SELLERSVILLE, PA 18960

Bucks County (215) 257-8450

JOHN STEPHEN DOBROTA M.D.

Internal Medicine (Gastroenterology)

817 LAWN AVE
SELLERSVILLE, PA 18960

Bucks County (215) 257-5071

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 Ronald Markos's NPI number?

The NPI number for Ronald Markos is 1851399786. It was assigned to this individual provider in the NPPES registry on July 13, 2005.

Where is Ronald Markos located?

Ronald Markos practices at 817 Lawn Ave, Sellersville, PA 18960. The listed phone number is (215) 257-5071.

What is Ronald Markos's specialty?

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

Is Ronald Markos enrolled in Medicare?

Yes. Ronald Markos 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.

What insurance does Ronald Markos accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Ronald Markos as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Ronald Markos affiliated with any hospitals?

According to CMS data, Ronald Markos is affiliated with Lansdale Hospital, St Lukes Quakertown Hospital, St Luke's Hospital Bethlehem, Grand View Health and Doylestown Hospital.

When was this NPI record last updated?

The NPPES record for Ronald Markos was last updated on April 27, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.