Doctor profile · Federal record
Dr. Lakshmi Sivasankar, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Chelmsford, MA
- NPI 1497799779
- Accepts Medicare
- 37 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
228 Billerica RD
Chelmsford, MA 018243604
(978) 250-6419
fax (978) 250-6472
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- November 17, 2020
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Massachusetts #234130
- Medicaid
- MA #2169045
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1497799779. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,183
Distinct HCPCS
10
Medicare allowed
$34,254
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36415 |
Insertion of needle into vein for collection of blood sample | 240 | 112 | $8 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 134 | 96 | $106 | |
83036 |
Hemoglobin a1c level | 98 | 74 | $10 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 94 | 91 | $13 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 71 | 71 | $60 | |
82565 |
Blood creatinine level | 67 | 60 | $5 | |
85027 |
Complete blood cell count (red cells, white blood cell, platelets), automated test | 49 | 47 | $6 | |
82043 |
Urine microalbumin (protein) level | 40 | 39 | $6 | |
82570 |
Creatinine level to test for kidney function or muscle injury | 40 | 39 | $5 | |
84443 |
Blood test, thyroid stimulating hormone (tsh) | 38 | 33 | $16 |
In context: peer comparison
Among 13 peers in Chelmsford Internal Medicine Physician, average services per provider: 78. This provider delivers 15× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,851
Patients
507
Total drug cost
$33,182
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 236 | 67 | $5,810 |
| Levothyroxine Sodium | Generic | 165 | 39 | $2,663 |
| Lisinopril | Generic | 150 | 39 | $1,952 |
| Amlodipine Besylate | Generic | 143 | 38 | $1,987 |
| Simvastatin | Generic | 137 | 36 | $1,823 |
| Metoprolol Succinate | Generic | 131 | 35 | $3,889 |
| Metformin Hcl ER (Metformin Hcl) | Brand | 125 | 38 | $2,459 |
| Gabapentin | Generic | 113 | 35 | $2,507 |
| Clonazepam | Generic | 107 | 17 | $1,293 |
| Losartan Potassium | Generic | 106 | 33 | $1,883 |
Frequently asked questions
What is Dr. Lakshmi Sivasankar's medical specialty?
Dr. Lakshmi Sivasankar practices Internal Medicine Physician in Chelmsford, MA.
Where does Dr. Lakshmi Sivasankar practice?
Dr. Lakshmi Sivasankar practices at 228 Billerica RD, Chelmsford, MA 018243604. Office phone: 9782506419.
What is Dr. Lakshmi Sivasankar's NPI?
Dr. Lakshmi Sivasankar's National Provider Identifier (NPI) is 1497799779, issued by NPPES.
Does Dr. Lakshmi Sivasankar accept Medicare assignment?
Yes. Dr. Lakshmi Sivasankar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lakshmi Sivasankar commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.