DR. STEPHEN ARNOLD RAFELSON M.D.
NPI 1417997875
Internal Medicine - Gastroenterology in Langhorne, PA

Q: What is Stephen Rafelson's NPI number?

The NPI number for Stephen Rafelson is 1417997875. It was assigned to this individual provider in the NPPES registry on June 7, 2006.

Q: What is Stephen Rafelson'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 Stephen Rafelson was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 June 07, 2006PECOS EnrolledAccepts Medicare Assignment

840 TOWN CENTER DR, LANGHORNE, PA 19047(215) 321-7221(215) 321-9109 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Stephen Arnold Rafelson M.d. NPPES

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

DR. STEPHEN ARNOLD RAFELSON M.D. (NPI 1417997875) is an individual gastroenterology provider in Langhorne, Pennsylvania, licensed in Pennsylvania (MD026411E) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Capital Health Medical Center - Hopewell, and is a graduate of Perelman School Of Med At The University Of Pennsylvania (1972).

NPPES Registry Identity

NPI1417997875

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. STEPHEN ARNOLD RAFELSONCredential: M.D.

Location Address840 TOWN CENTER DRLanghorne, PA 19047-1748

Mailing Address301 Oxford Valley Rd, Suite 701Yardley, PA 19067-7706 · (215) 321-7221 · Fax (215) 321-9109

Phone(215) 321-7221

Fax(215) 321-9109

Sole ProprietorNo

Medical School CMSPerelman School Of Med At The University Of PennsylvaniaGraduated 1972

Enumeration DateJune 7, 2006

Last NPPES UpdateJuly 13, 2026

NPPES CertifiedJuly 2, 2026

✔ NPI 1417997875 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 · MD026411E

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.

840 TOWN CENTER DR, Langhorne, PA 19047

Open in Google Maps ↗

Other Identifiers 1

Medicaid1070402PA

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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Stephen Arnold Rafelson M.d. 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 ID6204835903

PECOS Enrollment IDI20100628001047

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 Reassignment

Medicare enrollment records show Stephen Rafelson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Regional Gastroenterology Associates Of Lancaster, Ltd.

79 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 12

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 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.

150 services133 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.

106 services95 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.

98 services96 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.

98 services97 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.

58 services57 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.

56 services55 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.

29 services29 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.

21 services20 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.

19 services18 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.

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.

17 services17 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.

13 services13 patients

Hospital Affiliations CMS Care Compare 3

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

Capital Health Medical Center - Hopewell

Acute Care Hospitals · Pennington, NJ

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310044

LocationOne Capital WayPennington, NJ 08534 · Mercer County

Emergency services Birthing friendly

Hospital Of Univ Of Pennsylvania

Acute Care Hospitals · Philadelphia, PA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390111

Location34th & Spruce StsPhiladelphia, PA 19104 · Philadelphia County

Emergency services Birthing friendly

St Mary Medical Center

Acute Care Hospitals · Langhorne, PA

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390258

LocationLanghorne-Newtown RdLanghorne, PA 19047 · Bucks County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19047 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 3

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

GEE-SUE ELIZABETH PARK PA-C

Physician Assistant

840 TOWN CENTER DR
LANGHORNE, PA 19047

Bucks County (215) 702-7090

DR. KENNETH SPENCER BRESLIN M.D.

Internal Medicine (Gastroenterology)

840 TOWN CENTER DR
LANGHORNE, PA 19047

Bucks County (215) 321-7221

ASHLEY A DAVIS MD

Internal Medicine (Gastroenterology)

840 TOWN CENTER DR
LANGHORNE, PA 19047

Bucks County (215) 321-7221

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 Stephen Rafelson's NPI number?

The NPI number for Stephen Rafelson is 1417997875. It was assigned to this individual provider in the NPPES registry on June 7, 2006.

Where is Stephen Rafelson located?

Stephen Rafelson practices at 840 Town Center Dr, Langhorne, PA 19047. The listed phone number is (215) 321-7221.

What is Stephen Rafelson's specialty?

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

Is Stephen Rafelson enrolled in Medicare?

Yes. Stephen Rafelson 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 organization bills Medicare for Stephen Rafelson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Rafelson reassigns Medicare benefits to Regional Gastroenterology Associates Of Lancaster, Ltd. (Lancaster, PA). The 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 Stephen Rafelson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Stephen Rafelson accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Stephen Rafelson 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 Stephen Rafelson affiliated with any hospitals?

According to CMS data, Stephen Rafelson is affiliated with Capital Health Medical Center - Hopewell, Hospital Of Univ Of Pennsylvania and St Mary Medical Center.

When was this NPI record last updated?

The NPPES record for Stephen Rafelson was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.