Doctor profile · Federal record
Dr. William Charini, M.D.
Infectious Disease Physician (CMS: Infectious Disease) · Lawrence, MA
- NPI 1265505499
- Accepts Medicare
- 33 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1 General St
Lawrence, MA 018412961
(978) 683-4000 - Mailing address
-
Lawrence General Hospital, 1 General Street
Lawrence, MA 018420389
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- December 14, 2017
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207RI0200X — NUCC code
- State license (1)
- Massachusetts #150270
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265505499. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
751
Distinct HCPCS
6
Medicare allowed
$86,382
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 311 | 143 | $80 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 143 | 132 | $131 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 102 | 94 | $175 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 99 | 66 | $120 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 72 | 53 | $128 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 24 | 24 | $163 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 125. This provider delivers 6.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
38
Patients
0
Total drug cost
$58,540
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Vancomycin Hcl | Generic | 15 | 0 | $707 |
| Stribild (Elviteg/Cob/Emtri/Tenofo Disop) | Brand | 12 | 0 | $53,062 |
| Efavirenz-Emtric-Tenofov Disop (Efavirenz/Emtricit/Tenofovr Df) | Brand | 11 | 0 | $4,771 |
Hospital affiliations
Frequently asked questions
What is Dr. William Charini's medical specialty?
Dr. William Charini practices Infectious Disease Physician in Lawrence, MA.
Where does Dr. William Charini practice?
Dr. William Charini practices at 1 General St, Lawrence, MA 018412961. Office phone: 9786834000.
What is Dr. William Charini's NPI?
Dr. William Charini's National Provider Identifier (NPI) is 1265505499, issued by NPPES.
Does Dr. William Charini accept Medicare assignment?
Yes. Dr. William Charini accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Charini commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.