Rita Lorraine Ritsema, MD
Gastroenterology Physician · Havertown, PA
Rita Lorraine Ritsema, MD is a gastroenterology physician with a practice address in Havertown, Pennsylvania, and NPI 1982621629, issued on Jul 17, 2006. Check the license (Pennsylvania MD033108E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Rita Lorraine Ritsema
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD033108E PA
Self-reported in NPPES; status is on the state search - Practice location
- 1010 West Chester Pike, Havertown, PA 19083
- Phone
- (610) 789-3510
- Enumerated
- Jul 17, 2006
- Record last updated
- Feb 20, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (610) 789-3591
- Medicaid ID
- 116809903 PA
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,049 in Pennsylvania → Look up another NPI →
Also registered at 1010 West Chester Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mark Jacobs, MDGastroenterology Physician1013943885
- Kristie Ressler, D.O.Colon & Rectal Surgery Physician1467646406
- Stephen Silver, MDColon & Rectal Surgery Physician1740325513
Verify Rita Lorraine Ritsema in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD033108ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average gastroenterology physician in 2024
707 Medicare Part D claims for 180 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Famotidine135 claims
- Pantoprazole Sodium127 claims
- Omeprazole111 claims
- Dicyclomine Hcl42 claims
- Mesalamine40 claims
- Zenpep29 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $590.90
50 payments; by number, the most common kind was food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Rita Lorraine Ritsema among 1,049 gastroenterology physician records in Pennsylvania
Rita Lorraine Ritsema, MD is one of 1,049 gastroenterology physician records with a practice address in Pennsylvania. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 47% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 73% of these records are
- Record last updated2015 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Pennsylvania
There are 1,049 gastroenterology physician records in Pennsylvania.
All 1,049 in Pennsylvania → Every provider in Havertown → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Philip Gilman, M.D.Havertown, PA 190831164487468
- Charles Hurwitz, DOHavertown, PA 190831730174723
- Mark Jacobs, MDHavertown, PA 190831013943885
- Jacques Khoury, M.D.Havertown, PA 190831427025360
- Yih-Fu Shiau, MDHavertown, PA 190831962429803
- Joanne Linevsky, MDRadnor, PA 190871467408633
- Mark Sostek, M.D.Radnor, PA 190871902881329
- Robert Stein, M.D.Radnor, PA 190871376585208
Common questions
What is Rita Lorraine Ritsema, MD's NPI number?
Rita Lorraine Ritsema, MD's National Provider Identifier (NPI) is 1982621629, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Rita Lorraine Ritsema, MD located?
The NPPES record lists a practice address at 1010 West Chester Pike, Havertown, PA, 19083. Phone: (610) 789-3510. Providers update this record themselves, so call before visiting.
How can I verify Rita Lorraine Ritsema, MD's license?
NPPES lists Pennsylvania license number MD033108E, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Rita Lorraine Ritsema, MD prescribe under Medicare Part D?
In 2024, Rita Lorraine Ritsema, MD had 707 Medicare Part D claims for 180 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.