Physician Profile
Based in North Chelmsford, MA, Timothy J. Wymer, M.D. is listed in the NPI registry under internal medicine. Timothy graduated from University of Maryland School of Medicine in 2015. According to Medicare claims data, Timothy cared for 2,433 Medicare patients across 2,797 services. The services billed most often include routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
14 RESEARCH PL STE 3
North Chelmsford, MA 01863
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Most searched procedures
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
Heart health
Imaging referral
Immunizations
Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
2,797 services · 2,433 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Nuclear medicine studies of heart muscle at rest and with stress and spect | Imaging | 78452 |
12 | Less often than most peers in Internal Medicine |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | Imaging | 78452 |
12 | Less often than most peers in Internal Medicine |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
820 | More than most peers in Internal Medicine |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
574 | More than most peers in Internal Medicine |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
135 | More often than most peers in Internal Medicine |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
110 | More often than most peers in Internal Medicine |
| Ultrasound of heart, follow-up | Treatment | 93308 |
38 | More often than most peers in Internal Medicine |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | Treatment | 93015 |
34 | As often as other peers in Internal Medicine |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | Treatment | 93018 |
23 | Less often than most peers in Internal Medicine |
| Programming of dual lead pacemaker system | Treatment | 93280 |
22 | Less often than most peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Timothy J. Wymer is an internist in North Chelmsford, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Timothy J. Wymer is listed at 14 Research Pl Ste 3, North Chelmsford, MA 01863. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (660) 797-8256. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Timothy J. Wymer's National Provider Identifier is 1376937268. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Timothy J. Wymer attended University of Maryland School of Medicine, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
Timothy J. Wymer has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Timothy J. Wymer performs imaging including nuclear medicine studies of heart muscle at rest and with stress and spect; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Timothy J. Wymer. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.