Timothy James Wymer, M.D.
Internal Medicine Physician · North Chelmsford, MA
Timothy James Wymer, M.D. is an internal medicine physician with a practice address in North Chelmsford, Massachusetts, and NPI 1376937268, issued on Mar 27, 2015. Check the license (Massachusetts 273817, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Timothy James Wymer
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 273817 MA
Self-reported in NPPES; status is on the state search - Practice location
- 14 Research PL Ste 3, North Chelmsford, MA 01863
- Phone
- (660) 797-8256
- Enumerated
- Mar 27, 2015
- Record last updated
- Jul 26, 2023
- Medicaid ID
- 110107702A MA
- Medicare enrollment
- Enrolled (PECOS I20180522000273); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 14 Research PL Ste 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heather Lacharite, A-GNP-CNurse Practitioner1750016028
- Cecillia Wong, M.D.Cardiovascular Disease Physician1225560485
Verify Timothy James Wymer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 273817Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,556 Medicare Part D claims for 289 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Metoprolol Succinate244 claims
- Atorvastatin Calcium206 claims
- Lisinopril101 claims
- Eliquis99 claims
- Amlodipine Besylate88 claims
- Furosemide77 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: $150.01
7 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Lgh Merrimack Valley Cardiology Associates, LLCNorth Chelmsford, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy James Wymer among 6,825 internal medicine physician records in Massachusetts
Timothy James Wymer, M.D. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 74% of them.
- NPI issued2015 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2015 · median 2004 among the 4,103 with a school on file
- Record last updated2023 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 internal medicine physician records list a practice address in North Chelmsford
They are 5 of the 159 NPPES records with a practice address in North Chelmsford, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in North Chelmsford → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Michael Bertos, M.D.N Chelmsford, MA 018631043245145
- Louis Bresnick, M.D.N Chelmsford, MA 018631205861390
- Jacqueline Chu, MDNorth Chelmsford, MA 018631619359858
- Joshua GoldbergNorth Chelmsford, MA 018631699320432
- Philip Tavano, M.D.N Chelmsford, MA 018631710919238
- Caitlin Waters, MDNorth Chelmsford, MA 018631841600178
- Jessica Wieselquist, MDNorth Chelmsford, MA 018631144255712
- Tatiana Bernde Aime Noel, MDN Billerica, MA 018621588061964
Common questions
What is Timothy James Wymer, M.D.'s NPI number?
Timothy James Wymer, M.D.'s National Provider Identifier (NPI) is 1376937268, issued on Mar 27, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Timothy James Wymer, M.D. located?
The NPPES record lists a practice address at 14 Research PL Ste 3, North Chelmsford, MA, 01863. Phone: (660) 797-8256. Providers update this record themselves, so call before visiting.
How can I verify Timothy James Wymer, M.D.'s license?
NPPES lists Massachusetts license number 273817, 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 Timothy James Wymer, M.D. prescribe under Medicare Part D?
In 2024, Timothy James Wymer, M.D. had 1,556 Medicare Part D claims for 289 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.