Richard Frederick Sawyer, MD
Gastroenterology Physician · Methuen, MA
Richard Frederick Sawyer, MD is a gastroenterology physician with a practice address in Methuen, Massachusetts, and NPI 1093794042, issued on Jan 10, 2006. Check the license (Massachusetts 79008, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Richard Frederick Sawyer
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 79008 MA
Self-reported in NPPES; status is on the state search - Practice location
- 411 Merrimack St, Methuen, MA 01844
- Phone
- (978) 691-5160
- Enumerated
- Jan 10, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (978) 691-5163
- Medicaid ID
- 3133427 MA
- Medicare enrollment
- Enrolled (PECOS I20250122000057); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 411 Merrimack St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Salah Abass, M.D.Family Medicine Physician1417959776
- Jamshed Anvari, M.D.Internal Medicine Physician1821124405
- Dorothy Haverty-Bussiere, NP-CAdult Health Nurse Practitioner1346558491
- Mai Nguyen, M.D.Hematology & Oncology Physician1316088438
- Durga Rao, M.D.Nephrology Physician1770554370
- Bijan Sadrnoori, M.D.Pulmonary Disease Physician1639135650
Verify Richard Frederick Sawyer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 79008Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average gastroenterology physician in 2024
407 Medicare Part D claims for 170 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Omeprazole299 claims
- Gavilyte-G41 claims
- Pantoprazole Sodium19 claims
- Mesalamine11 claims
- Sulfasalazine11 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.
Bills Medicare through one group practice
- Northeast Gastroenterology Associates, LLCSalem, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gastroenterology Physician providers in Massachusetts
There are 686 gastroenterology physician records in Massachusetts.
Other gastroenterology physician records in Massachusetts
- Robert Aaron, MDStoneham, MA1962694323
- Michael Aaronson, MDBeverly, MA1366547739
- Diane Abraczinskas, MDBoston, MA1811988488
- Nitin Aggarwal, M.D.North Chelmsford, MA1407145402
- Jaya Agrawal, M.D.Florence, MA1316979842
- Heidi Ahmed, M.D.North Chelmsford, MA1801276472
- Lynne Ahn, MDFramingham, MA1144269143
- Hiroyuki Aihara, M.D.Boston, MA1619395795
- Mona AkbariSouth Weymouth, MA1871720037
- Geetanjali Akerkar, M.D.Chelmsford, MA1144289166
Common questions
What is Richard Frederick Sawyer, MD's NPI number?
Richard Frederick Sawyer, MD's National Provider Identifier (NPI) is 1093794042, issued on Jan 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard Frederick Sawyer, MD located?
The NPPES record lists a practice address at 411 Merrimack St, Methuen, MA, 01844. Phone: (978) 691-5160. Providers update this record themselves, so call before visiting.
How can I verify Richard Frederick Sawyer, MD's license?
NPPES lists Massachusetts license number 79008, 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 Frederick Sawyer, MD prescribe under Medicare Part D?
In 2024, Richard Frederick Sawyer, MD had 407 Medicare Part D claims for 170 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.