KOSHA NATHWANI M.D.
Prescription History 1275066607
Family Medicine in Encinitas, CA
What does Dr. Nathwani prescribe?
In 2024, Dr. Nathwani wrote 410 Medicare prescriptions for 18 medications. The most prescribed was Levothyroxine Sodium, with 50 prescriptions for 15 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. Nathwani 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 California prescribers.
What it is used for
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with California prescribers
Dr. Nathwani wrote 50 prescriptions for Levothyroxine Sodium, about 40% as often as the typical California prescriber of it (125). Medicare paid $9.51 per fill, versus $13.30 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
Simvastatin 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 California prescribers
Dr. Nathwani wrote 35 prescriptions for Simvastatin, about half as often as the typical California prescriber of it (63). Medicare paid $11.40 per fill, versus $9.03 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 California prescribers
Dr. Nathwani wrote 34 prescriptions for Amlodipine Besylate, about 24% as often as the typical California prescriber of it (141). Medicare paid $13.91 per fill, versus $7.08 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
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 California prescribers
Dr. Nathwani wrote 34 prescriptions for Atorvastatin Calcium, about 17% as often as the typical California prescriber of it (202). Medicare paid $5.06 per fill, versus $10.47 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
Losartan is used to treat high blood pressure (hypertension) and to help protect the kidneys from damage due to diabetes.
Compared with California prescribers
Dr. Nathwani wrote 29 prescriptions for Losartan Potassium, about 24% as often as the typical California prescriber of it (121). Medicare paid $12.92 per fill, versus $10.35 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 California prescribers
Dr. Nathwani wrote 26 prescriptions for Lisinopril, about 27% as often as the typical California prescriber of it (98). Medicare paid $5.94 per fill, versus $8.30 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
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with California prescribers
Dr. Nathwani wrote 26 prescriptions for Metformin Hcl, about 26% as often as the typical California prescriber of it (100). Medicare paid $12.37 per fill, versus $9.26 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
This medication is used to treat depression.
Compared with California prescribers
Dr. Nathwani wrote 22 prescriptions for Trazodone Hcl, about 39% as often as the typical California prescriber of it (57). Medicare paid $11.39 per fill, versus $9.93 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 California prescribers
Dr. Nathwani wrote 19 prescriptions for Synthroid, about half as often as the typical California prescriber of it (38). Medicare paid $97.42 per fill, versus $74.43 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 California prescribers
Dr. Nathwani wrote 18 prescriptions for Omeprazole, about 23% as often as the typical California prescriber of it (78). Medicare paid $2.38 per fill, versus $11.26 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
This medication is used to treat certain mental/mood disorders (such as depression, panic attacks, obsessive compulsive disorder, anxiety disorders, post-traumatic stress disorder).
Compared with California prescribers
Dr. Nathwani wrote 18 prescriptions for Paroxetine Hcl, about 72% as often as the typical California prescriber of it (25). Medicare paid $9.84 per fill, versus $12.24 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 California prescribers
Dr. Nathwani wrote 17 prescriptions for Rosuvastatin Calcium, about 17% as often as the typical California prescriber of it (101). Medicare paid $12.86 per fill, versus $15.64 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 California prescribers
Dr. Nathwani wrote 16 prescriptions for Albuterol Sulfate Hfa, about 28% as often as the typical California prescriber of it (58). Medicare paid $39.01 per fill, versus $28.70 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 California prescribers
Dr. Nathwani wrote 14 prescriptions for Escitalopram Oxalate, about 29% as often as the typical California prescriber of it (48). Medicare paid $18.04 per fill, versus $11.14 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
Meloxicam is used to treat arthritis.
Compared with California prescribers
Dr. Nathwani wrote 14 prescriptions for Meloxicam, about 28% as often as the typical California prescriber of it (50). Medicare paid $9.21 per fill, versus $4.39 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
Fluticasone is used to relieve seasonal and year-round allergic and non-allergic nasal symptoms, such as stuffy/runny nose, itching, and sneezing.
Compared with California prescribers
Dr. Nathwani wrote 13 prescriptions for Fluticasone Propionate, about 26% as often as the typical California prescriber of it (50). Medicare paid $5.56 per fill, versus $15.10 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 California prescribers
Dr. Nathwani wrote 13 prescriptions for Venlafaxine Hcl Er, about half as often as the typical California prescriber of it (28). Medicare paid $6.15 per fill, versus $23.92 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 California prescribers
Dr. Nathwani wrote 12 prescriptions for Gabapentin, about 15% as often as the typical California prescriber of it (80). Medicare paid $24.87 per fill, versus $15.63 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. Nathwani’s prescriptions
What does Dr. Nathwani prescribe most?
In 2024 Medicare Part D data, Dr. Nathwani's most prescribed medications were Levothyroxine Sodium (50), Simvastatin (35) and Amlodipine Besylate (34).
How does Dr. Nathwani's prescribing compare with other California prescribers?
Of the 18 medications with a state comparison, Dr. Nathwani prescribes 18 less often than the typical California prescriber. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Nathwani 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 California 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.
