Elizabeth Tarnell, MD
NPI 1942209390 · Internal Medicine Physician · Dedham, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Tarnell, MD is a Internal Medicine Physician provider in Dedham, MA (NPI 1942209390).
Provider details
- NPI number
- 1942209390
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 73363 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
4,107 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 618 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 590 | $93 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 198 | $53 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 174 | $13 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 168 | $76 |
| Hemoglobin A1c Level83036 | 137 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 122 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 633 | 172 |
| Amlodipine Besylate | 454 | 118 |
| Alendronate Sodium | 385 | 87 |
| Losartan Potassium | 382 | 88 |
| Lisinopril | 355 | 91 |
| Famotidine | 299 | 85 |
| Levothyroxine Sodium | 297 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-19
- Last updated
- 2011-10-07
Frequently asked questions
- What is Elizabeth Tarnell's NPI number?
- Elizabeth Tarnell's National Provider Identifier (NPI) is 1942209390, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Tarnell's specialty?
- Elizabeth Tarnell is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Elizabeth Tarnell located?
- Elizabeth Tarnell's practice location on file with NPPES is 1 Lyons St, Dedham, MA 02026-5599.
- What is Elizabeth Tarnell's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Tarnell is (781) 329-1400.
- Does Elizabeth Tarnell accept Medicare?
- Elizabeth Tarnell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Tarnell's NPI active?
- Yes — Elizabeth Tarnell's NPI (1942209390) is active in the NPPES registry as of the last update on 2011-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.