ALWIN SEBASTIAN M.D.
Prescription History 1740928514
Family Medicine in Portsmouth, NH
What does Dr. Sebastian prescribe?
In 2024, Dr. Sebastian wrote 383 Medicare prescriptions for 18 medications. The most prescribed was Atorvastatin Calcium, with 75 prescriptions for 31 patients.
Medicare Part D only. These are prescriptions filled by people with Medicare drug coverage in 2024, from the CMS data released in 2026, the most recent year available. CMS does not publish medications with fewer than 11 prescriptions, so this is not a full list of what Dr. Sebastian prescribes.
Medications 18 medications
Prescriptions filled under Medicare Part D in 2024. Select a medication to see what it is used for and how it compares with other New Hampshire prescribers.
What it is used for
Atorvastatin is used along with a proper diet to help lower "bad" cholesterol and fats (such as LDL, triglycerides) and raise "good" cholesterol (HDL) in the blood.
Compared with New Hampshire prescribers
Dr. Sebastian wrote 75 prescriptions for Atorvastatin Calcium, about half as often as the typical New Hampshire prescriber of it (169). Medicare paid $8.28 per fill, versus $9.41 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Lisinopril is used to treat high blood pressure.
Compared with New Hampshire prescribers
Dr. Sebastian wrote 35 prescriptions for Lisinopril, about 31% as often as the typical New Hampshire prescriber of it (114). Medicare paid $5.56 per fill, versus $6.30 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as depression, anxiety, panic attacks, and social anxiety disorder).
Compared with New Hampshire prescribers
Dr. Sebastian wrote 31 prescriptions for Venlafaxine Hcl Er, about as often as the typical New Hampshire prescriber of it (34). Medicare paid $9.94 per fill, versus $23.38 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Gabapentin is used with other medications to prevent and control seizures.
Compared with New Hampshire prescribers
Dr. Sebastian wrote 25 prescriptions for Gabapentin, about 34% as often as the typical New Hampshire prescriber of it (73). Medicare paid $10.49 per fill, versus $17.01 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Albuterol (also known as salbutamol) is used to prevent and treat wheezing and shortness of breath caused by breathing problems (such as asthma, chronic obstructive pulmonary disease).
Compared with New Hampshire prescribers
Dr. Sebastian wrote 24 prescriptions for Albuterol Sulfate Hfa, about half as often as the typical New Hampshire prescriber of it (56). Medicare paid $22.06 per fill, versus $27.49 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with New Hampshire prescribers
Dr. Sebastian wrote 24 prescriptions for Levothyroxine Sodium, about 19% as often as the typical New Hampshire prescriber of it (123). Medicare paid $4.66 per fill, versus $10.13 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with New Hampshire prescribers
Dr. Sebastian wrote 20 prescriptions for Metformin Hcl Er, about 41% as often as the typical New Hampshire prescriber of it (48). Medicare paid $2.42 per fill, versus $9.75 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Amlodipine is used with or without other medications to treat high blood pressure.
Compared with New Hampshire prescribers
Dr. Sebastian wrote 19 prescriptions for Amlodipine Besylate, about 17% as often as the typical New Hampshire prescriber of it (110). Medicare paid $5.48 per fill, versus $6.26 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with New Hampshire prescribers
Dr. Sebastian wrote 19 prescriptions for Omeprazole, about 24% as often as the typical New Hampshire prescriber of it (79). Medicare paid $13.64 per fill, versus $13.54 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with New Hampshire prescribers
Dr. Sebastian wrote 15 prescriptions for Duloxetine Hcl, about 35% as often as the typical New Hampshire prescriber of it (42). Medicare paid $24.70 per fill, versus $27.12 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with New Hampshire prescribers
Dr. Sebastian wrote 15 prescriptions for Escitalopram Oxalate, about 31% as often as the typical New Hampshire prescriber of it (49). Medicare paid $5.07 per fill, versus $12.45 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is a beta-blocker used to treat chest pain (angina), heart failure, and high blood pressure.
Compared with New Hampshire prescribers
Dr. Sebastian wrote 13 prescriptions for Metoprolol Succinate, about 14% as often as the typical New Hampshire prescriber of it (94). Medicare paid $7.49 per fill, versus $14.32 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Rosuvastatin is used along with a proper diet to help lower "bad" cholesterol and fats (such as LDL, triglycerides) and raise "good" cholesterol (HDL) in the blood.
Compared with New Hampshire prescribers
Dr. Sebastian wrote 13 prescriptions for Rosuvastatin Calcium, about 17% as often as the typical New Hampshire prescriber of it (76). Medicare paid $7.70 per fill, versus $15.89 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as depression, panic attacks, obsessive compulsive disorder).
Compared with New Hampshire prescribers
Dr. Sebastian wrote 11 prescriptions for Fluoxetine Hcl, about 29% as often as the typical New Hampshire prescriber of it (38). Medicare paid $13.17 per fill, versus $11.55 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Empagliflozin is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with New Hampshire prescribers
Dr. Sebastian wrote 11 prescriptions for Jardiance, about 29% as often as the typical New Hampshire prescriber of it (38). Medicare paid $1,618.55 per fill, versus $1,082.14 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with New Hampshire prescribers
Dr. Sebastian wrote 11 prescriptions for Metformin Hcl, about 18% as often as the typical New Hampshire prescriber of it (62). Medicare paid $6.63 per fill, versus $7.36 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to help relieve moderate to severe pain.
Compared with New Hampshire prescribers
Dr. Sebastian wrote 11 prescriptions for Oxycodone Hcl, about 23% as often as the typical New Hampshire prescriber of it (48). Medicare paid $16.90 per fill, versus $16.25 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat depression.
Compared with New Hampshire prescribers
Dr. Sebastian wrote 11 prescriptions for Trazodone Hcl, about 18% as often as the typical New Hampshire prescriber of it (62). Medicare paid $37.08 per fill, versus $9.16 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Questions about Dr. Sebastian’s prescriptions
What does Dr. Sebastian prescribe most?
In 2024 Medicare Part D data, Dr. Sebastian's most prescribed medications were Atorvastatin Calcium (75), Lisinopril (35) and Venlafaxine Hcl Er (31).
How does Dr. Sebastian's prescribing compare with other New Hampshire prescribers?
Of the 18 medications with a state comparison, Dr. Sebastian prescribes 1 about as often than the typical New Hampshire prescriber and 17 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Sebastian prescribes?
No. It covers prescriptions filled by people with Medicare Part D drug coverage in 2024, and CMS leaves out any medication with fewer than 11 prescriptions.
About this data
This page shows one provider’s slice of public Medicare files. NPI Profile does not receive prescriptions or patient records.
| Source | What it provides here | Data year |
|---|---|---|
| CMS Medicare Part D Prescribers by Provider and Drug | Each medication, prescriptions, patients, 30-day fills, days of medication and cost. State comparisons average the New Hampshire prescribers of the same medication and form, where at least five wrote it. | 2024 (released 2026, the most recent available) |
| CMS Medicare Part D Drug Spending Dashboard | What each medication is used for. | 2024 |
- Only prescriptions filled by people with Medicare Part D drug coverage are counted. Private insurance, Medicaid and cash purchases are not.
- CMS leaves out medications with fewer than 11 prescriptions and hides patient counts under 11.
- Cost per fill is what the plan and the patient paid the pharmacy together, not what you pay at the counter.
- Medication descriptions are summaries from CMS. They are not medical advice; ask a health care professional about any medication.
