Timothy Wymer, M.D.
NPI 1376937268 · Internal Medicine Physician · North Chelmsford, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Wymer, M.D. is a Internal Medicine Physician provider in North Chelmsford, MA (NPI 1376937268).
Provider details
- NPI number
- 1376937268
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 273817 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,820 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 820 | $8 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 574 | $16 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 241 | $82 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 217 | $139 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 142 | $136 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 244 | 86 |
| Atorvastatin Calcium | 206 | 68 |
| Lisinopril | 101 | 38 |
| Apixabanbrand: Eliquis | 99 | 33 |
| Amlodipine Besylate | 88 | 33 |
| Furosemide | 77 | 37 |
| Ezetimibe | 73 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$150 across 7 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-03-27
- Last updated
- 2023-07-26
- Certified
- 2023-06-27
Frequently asked questions
- What is Timothy Wymer's NPI number?
- Timothy Wymer's National Provider Identifier (NPI) is 1376937268, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Wymer's specialty?
- Timothy Wymer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Wymer located?
- Timothy Wymer's practice location on file with NPPES is 14 Research Pl Ste 3, North Chelmsford, MA 01863-2460.
- What is Timothy Wymer's phone number?
- The practice phone number listed in the NPPES registry for Timothy Wymer is (660) 797-8256.
- Does Timothy Wymer accept Medicare?
- Timothy Wymer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Wymer's NPI active?
- Yes — Timothy Wymer's NPI (1376937268) is active in the NPPES registry as of the last update on 2023-07-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.