William Lester, MD
NPI 1316920184 · Internal Medicine Physician · Boston, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Lester, MD is a Internal Medicine Physician provider in Boston, MA (NPI 1316920184).
Provider details
- NPI number
- 1316920184
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 203104 (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
507 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 294 | $102 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 75 | $17 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 52 | $152 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 51 | $69 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 21 | $102 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 64 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 364 | 104 |
| Amlodipine Besylate | 177 | 46 |
| Lisinopril | 167 | 44 |
| Omeprazole | 126 | 35 |
| Levothyroxine Sodium | 97 | 26 |
| Ezetimibe | 94 | 30 |
| Metformin Hcl | 82 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-25
- Last updated
- 2011-04-01
Frequently asked questions
- What is William Lester's NPI number?
- William Lester's National Provider Identifier (NPI) is 1316920184, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Lester's specialty?
- William Lester is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Lester located?
- William Lester's practice location on file with NPPES is 15 Parkman St, Boston, MA 02114-3117.
- What is William Lester's phone number?
- The practice phone number listed in the NPPES registry for William Lester is (617) 726-2707.
- Does William Lester accept Medicare?
- William Lester is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Lester's NPI active?
- Yes — William Lester's NPI (1316920184) is active in the NPPES registry as of the last update on 2011-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.