Doctor profile · Federal record
Dr. Charles Chalko, D.O.
Internal Medicine Physician (CMS: Internal Medicine) · South Weymouth, MA
- NPI 1548218126
- Accepts Medicare
- MIPS 79.9 / 100 · 2023
- 42 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
541 Main St, Suite 400
South Weymouth, MA 021901868
(781) 952-1240
fax (781) 952-1257
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- March 13, 2014
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Massachusetts #76091
- Medicaid
- MA #3094588
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1548218126. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,040
Distinct HCPCS
3
Medicare allowed
$97,717
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 692 | 263 | $84 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 181 | 178 | $138 | |
99238 |
Hospital discharge day management, 30 minutes or less | 167 | 159 | $87 |
In context: peer comparison
Among 11 peers in South Weymouth Internal Medicine Physician, average services per provider: 150. This provider delivers 6.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
102
Patients
45
Total drug cost
$8,137
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cefpodoxime Proxetil | Generic | 19 | 19 | $514 |
| Atorvastatin Calcium | Generic | 14 | 13 | $259 |
| Amlodipine Besylate | Generic | 13 | 13 | $73 |
| Eliquis (Apixaban) | Brand | 12 | 0 | $6,959 |
| Furosemide | Generic | 11 | 0 | $51 |
| Lisinopril | Generic | 11 | 0 | $46 |
| Metoprolol Succinate | Generic | 11 | 0 | $116 |
| Quetiapine Fumarate | Generic | 11 | 0 | $118 |
Hospital affiliations
Frequently asked questions
What is Dr. Charles Chalko's medical specialty?
Dr. Charles Chalko practices Internal Medicine Physician in South Weymouth, MA.
Where does Dr. Charles Chalko practice?
Dr. Charles Chalko practices at 541 Main St, South Weymouth, MA 021901868. Office phone: 7819521240.
What is Dr. Charles Chalko's NPI?
Dr. Charles Chalko's National Provider Identifier (NPI) is 1548218126, issued by NPPES.
Does Dr. Charles Chalko accept Medicare assignment?
Yes. Dr. Charles Chalko accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Chalko 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); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.