Richard S. Tilson, MD
Gastroenterology Physician · Lowell, MA
Richard S. Tilson, MD is a gastroenterology physician with a practice address in Lowell, Massachusetts, and NPI 1346336831, issued on Oct 4, 2006. Check the license (Massachusetts 208339, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Richard S. Tilson
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 208339 MA
Self-reported in NPPES; status is on the state search - Practice location
- 41 Wellman St Ste 400, Lowell, MA 01851
- Phone
- (978) 459-6737
- Enumerated
- Oct 4, 2006
- Record last updated
- Jan 20, 2025
- Fax
- (855) 818-1869
- Medicaid ID
- 0177181 MA
- Medicare enrollment
- Enrolled (PECOS I20041026000682); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 686 in Massachusetts → Look up another NPI →
Also registered at 41 Wellman St Ste 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carl Edouard Jn Pierre, MDAnesthesiology Physician1952659922
- Franklin Marinelli, MDGastroenterology Physician1780676155
- Supriya Rao, M.D.Internal Medicine Physician1205098886
- Winnie Szeto, MDGastroenterology Physician1588899504
Verify Richard S. Tilson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 208339Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% more Medicare Part D claims than the average gastroenterology physician in 2024
983 Medicare Part D claims for 367 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Omeprazole173 claims
- Sutab97 claims
- Pantoprazole Sodium76 claims
- Dicyclomine Hcl57 claims
- Linzess57 claims
- Sod Sulf-Potass Sulf-Mag Sulf44 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: $1,905.21
57 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. 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.
Bills Medicare through one group practice
- Integrated Gastroenterology Consultants, P.C.Andover, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Richard S. Tilson among 686 gastroenterology physician records in Massachusetts
Richard S. Tilson, MD is one of 686 gastroenterology physician records with a practice address in Massachusetts. 80% 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, 49% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1996 · median 2004 among the 491 with a school on file
- Record last updated2025 · 66% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Massachusetts
There are 686 gastroenterology physician records in Massachusetts.
All 686 in Massachusetts → Every provider in Lowell → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Franklin Marinelli, MDLowell, MA 018511780676155
- Winnie Szeto, MDLowell, MA 018511588899504
- Mark Nitzberg, M.D.Methuen, MA 018441881652758
- Richard Sawyer, MDMethuen, MA 018441093794042
- Thomas Fazio, M.D.Lawrence, MA 018431902800832
- Drew Niccolini, M.D.Lawrence, MA 018431639174410
- Nitin Aggarwal, M.D.North Chelmsford, MA 018631407145402
- Heidi Ahmed, M.D.North Chelmsford, MA 018631801276472
Common questions
What is Richard S. Tilson, MD's NPI number?
Richard S. Tilson, MD's National Provider Identifier (NPI) is 1346336831, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard S. Tilson, MD located?
The NPPES record lists a practice address at 41 Wellman St Ste 400, Lowell, MA, 01851. Phone: (978) 459-6737. Providers update this record themselves, so call before visiting.
How can I verify Richard S. Tilson, MD's license?
NPPES lists Massachusetts license number 208339, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Richard S. Tilson, MD prescribe under Medicare Part D?
In 2024, Richard S. Tilson, MD had 983 Medicare Part D claims for 367 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.