Doctor profile · Federal record
Dr. William Lester, MD
Internal Medicine Physician (CMS: Internal Medicine) · Boston, MA
- NPI 1316920184
- Accepts Medicare
- 29 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
15 Parkman St, Wacc 6Th Floor Internal Medicine Associates
Boston, MA 021143117
(617) 726-2707
fax (617) 724-2814 - Mailing address
-
Po Box 9142, Mass General Physician Organization
Charlestown, MA 021299142
Credentials & registration
- NPI registered
- November 2005 — 21 yrs on file
- Profile last updated
- April 1, 2011
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Massachusetts #203104
- Medicaid
- MA #0122963
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1316920184. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
332
Distinct HCPCS
4
Medicare allowed
$33,296
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 217 | 168 | $104 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 68 | 68 | $70 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 25 | 25 | $104 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 22 | 18 | $153 |
In context: peer comparison
Among 547 peers in Boston Internal Medicine Physician, average services per provider: 81. This provider delivers 4.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,452
Patients
415
Total drug cost
$91,920
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 285 | 82 | $6,475 |
| Lisinopril | Generic | 171 | 45 | $1,938 |
| Amlodipine Besylate | Generic | 146 | 40 | $1,315 |
| Omeprazole | Generic | 127 | 40 | $3,318 |
| Levothyroxine Sodium | Generic | 108 | 29 | $1,670 |
| Metoprolol Succinate | Generic | 74 | 23 | $1,927 |
| Tamsulosin Hcl | Generic | 69 | 22 | $2,134 |
| Sertraline Hcl | Generic | 67 | 14 | $665 |
| Allopurinol | Generic | 64 | 16 | $1,276 |
| Eliquis (Apixaban) | Brand | 64 | 17 | $62,191 |
Hospital affiliations
Frequently asked questions
What is Dr. William Lester's medical specialty?
Dr. William Lester practices Internal Medicine Physician in Boston, MA.
Where does Dr. William Lester practice?
Dr. William Lester practices at 15 Parkman St, Boston, MA 021143117. Office phone: 6177262707.
What is Dr. William Lester's NPI?
Dr. William Lester's National Provider Identifier (NPI) is 1316920184, issued by NPPES.
Does Dr. William Lester accept Medicare assignment?
Yes. Dr. William Lester accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Lester commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Telephone medical discussion with physician (HCPCS 99443). Source: CMS Medicare Physician & Other Practitioners file.