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RITA LORRAINE RITSEMA MD
NPI 1982621629
Internal Medicine - Gastroenterology in Havertown, PA

Active since July 17, 2006PECOS Enrolled
1010 WEST CHESTER PIKE, STE #202, HAVERTOWN, PA 19083(610) 789-3510(610) 789-3591 Get Directions Write a Review

NPPES record last updated: February 20, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Rita Lorraine Ritsema Md NPPES

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

RITA LORRAINE RITSEMA MD (NPI 1982621629) is an individual gastroenterology provider in Havertown, Pennsylvania, licensed in Pennsylvania (MD033108E) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1982621629
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameRITA LORRAINE RITSEMACredential: MD
Location Address1010 WEST CHESTER PIKE, STE #202Havertown, PA 19083-3442
Mailing Address1010 West Chester Pike, Ste #202Havertown, PA 19083-3442 · (610) 789-3510 · Fax (610) 789-3591
Phone(610) 789-3510
Fax(610) 789-3591
Sole ProprietorNo
Enumeration DateJuly 17, 2006
Last NPPES UpdateFebruary 20, 2015
✔ NPI 1982621629 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 · MD033108E
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.
1010 WEST CHESTER PIKE, Havertown, PA 19083
Open in Google Maps ↗

Other Identifiers 3

Medicare ID-Type Unspecified471874FQH
Medicaid116809903PA
Medicare UPINB42124

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Rita Lorraine Ritsema Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

Medicare enrollment records show Rita Ritsema reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Prospect Health Access Network, Inc.
2.0 mi
Obstetrics & Gynecology
2100 KEYSTONE AVE, SUITE 707
Drexel Hill, PA 19026
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 654 clinicians in this Medicare group
NPI 1255786729 (610) 626-7070
Bryn Mawr Medical Specialists Association
3.4 mi
Multi-Specialty
825 OLD LANCASTER RD, SUITE 320
Bryn Mawr, PA 19010
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 171 clinicians in this Medicare group
NPI 1841226099 (610) 527-3800

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 8

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.

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.
52 services52 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.
51 services47 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
51 services50 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.
49 services44 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.
45 services45 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.
42 services41 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19083 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 7

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

MARK JACOBS MD
Internal Medicine (Gastroenterology)
1010 WEST CHESTER PIKE, SUITE #202
HAVERTOWN, PA 19083
Delaware County (610) 789-3510
TRISTATE COLON AND RECTAL ASSOCIATES PC
Colon & Rectal Surgery
1010 WEST CHESTER PIKE, SUITE 201
HAVERTOWN, PA 19083
Delaware County (610) 466-7882
KRISTIE MARGEVICH RESSLER D.O.
Colon & Rectal Surgery
1010 WEST CHESTER PIKE, SUITE 201
HAVERTOWN, PA 19083
Delaware County (610) 446-7882
TARO ARAI MD
Colon & Rectal Surgery
1010 WEST CHESTER PIKE, SUITE 201
HAVERTOWN, PA 19083
Delaware County (610) 446-7882
SUBURBAN GASTROENTEROLOGY ASSOCIATES INC
Internal Medicine (Gastroenterology)
1010 WEST CHESTER PIKE, STE 202
HAVERTOWN, PA 19083
Delaware County (610) 789-3510
FRANCESCA DIGREGORIO M.S.
Counselor (Mental Health)
1010 WEST CHESTER PIKE, SUITE 303
HAVERTOWN, PA 19083
Delaware County (484) 904-6854
STEPHEN C SILVER MD
Colon & Rectal Surgery
1010 WEST CHESTER PIKE, SUITE 201
HAVERTOWN, PA 19083
Delaware County (610) 446-7882

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 Rita Ritsema's NPI number?

The NPI number for Rita Ritsema is 1982621629. It was assigned to this individual provider in the NPPES registry on July 17, 2006.

Where is Rita Ritsema located?

Rita Ritsema practices at 1010 West Chester Pike Ste #202, Havertown, PA 19083. The listed phone number is (610) 789-3510.

What is Rita Ritsema's specialty?

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

Is Rita Ritsema enrolled in Medicare?

Yes. Rita Ritsema is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Rita Ritsema's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rita Ritsema reassigns Medicare benefits to 2 organizations: Prospect Health Access Network, Inc. (Drexel Hill, PA) and Bryn Mawr Medical Specialists Association (Bryn Mawr, 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 Rita Ritsema's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Rita Ritsema was last updated on February 20, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.