PHOEBE CHI YIE KOH M.D.
Prescription History 1184368607
Family Medicine in Massillon, OH
What does Dr. Koh prescribe?
In 2024, Dr. Koh wrote 1,502 Medicare prescriptions for 47 medications. The most prescribed was Atorvastatin Calcium, with 161 prescriptions for 59 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. Koh prescribes.
Medications 47 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 Ohio 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 Ohio prescribers
Dr. Koh wrote 161 prescriptions for Atorvastatin Calcium, about 72% as often as the typical Ohio prescriber of it (224). Medicare paid $10.55 per fill, versus $9.54 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
Amlodipine is used with or without other medications to treat high blood pressure.
Compared with Ohio prescribers
Dr. Koh wrote 140 prescriptions for Amlodipine Besylate, about as often as the typical Ohio prescriber of it (154). Medicare paid $6.23 per fill, versus $5.34 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 Ohio prescribers
Dr. Koh wrote 85 prescriptions for Metoprolol Succinate, about 68% as often as the typical Ohio prescriber of it (125). Medicare paid $8.81 per fill, versus $13.28 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 Ohio prescribers
Dr. Koh wrote 81 prescriptions for Lisinopril, about half as often as the typical Ohio prescriber of it (135). Medicare paid $6.67 per fill, versus $5.77 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 Ohio prescribers
Dr. Koh wrote 79 prescriptions for Metformin Hcl, about 80% as often as the typical Ohio prescriber of it (98). Medicare paid $8.85 per fill, versus $6.67 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 high blood pressure.
Compared with Ohio prescribers
Dr. Koh wrote 54 prescriptions for Hydrochlorothiazide, about 70% as often as the typical Ohio prescriber of it (77). Medicare paid $3.13 per fill, versus $3.46 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 Ohio prescribers
Dr. Koh wrote 52 prescriptions for Albuterol Sulfate Hfa, about 68% as often as the typical Ohio prescriber of it (76). Medicare paid $22.20 per fill, versus $26.98 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 Ohio prescribers
Dr. Koh wrote 48 prescriptions for Levothyroxine Sodium, about 28% as often as the typical Ohio prescriber of it (173). Medicare paid $6.52 per fill, versus $9.60 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
Dulaglutide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Ohio prescribers
Dr. Koh wrote 45 prescriptions for Trulicity, about as often as the typical Ohio prescriber of it (42). Medicare paid $1,159.62 per fill, versus $1,225.65 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 Ohio prescribers
Dr. Koh wrote 40 prescriptions for Omeprazole, about 36% as often as the typical Ohio prescriber of it (112). Medicare paid $17.05 per fill, versus $11.28 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
Apixaban is used to prevent serious blood clots from forming due to a certain irregular heartbeat (atrial fibrillation) or after hip/knee replacement surgery.
Compared with Ohio prescribers
Dr. Koh wrote 38 prescriptions for Eliquis, about 38% as often as the typical Ohio prescriber of it (100). Medicare paid $826.51 per fill, versus $838.29 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
Metoprolol is used with or without other medications to treat high blood pressure (hypertension).
Compared with Ohio prescribers
Dr. Koh wrote 38 prescriptions for Metoprolol Tartrate, about half as often as the typical Ohio prescriber of it (84). Medicare paid $2.83 per fill, versus $6.29 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 Ohio prescribers
Dr. Koh wrote 37 prescriptions for Losartan Potassium, about 32% as often as the typical Ohio prescriber of it (117). Medicare paid $14.31 per fill, versus $8.81 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
Pantoprazole is used to treat certain stomach and esophagus problems (such as acid reflux).
Compared with Ohio prescribers
Dr. Koh wrote 34 prescriptions for Pantoprazole Sodium, about 37% as often as the typical Ohio prescriber of it (92). Medicare paid $5.61 per fill, versus $13.02 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
Tamsulosin is used by men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH).
Compared with Ohio prescribers
Dr. Koh wrote 34 prescriptions for Tamsulosin Hcl, about 36% as often as the typical Ohio prescriber of it (93). Medicare paid $11.31 per fill, versus $13.87 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
Furosemide is used to reduce extra fluid in the body (edema) caused by conditions such as heart failure, liver disease, and kidney disease.
Compared with Ohio prescribers
Dr. Koh wrote 31 prescriptions for Furosemide, about 34% as often as the typical Ohio prescriber of it (92). Medicare paid $4.44 per fill, versus $4.55 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
This medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with Ohio prescribers
Dr. Koh wrote 27 prescriptions for Duloxetine Hcl, about half as often as the typical Ohio prescriber of it (58). Medicare paid $16.35 per fill, versus $23.49 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
Gabapentin is used with other medications to prevent and control seizures.
Compared with Ohio prescribers
Dr. Koh wrote 26 prescriptions for Gabapentin, about 25% as often as the typical Ohio prescriber of it (104). Medicare paid $23.89 per fill, versus $14.20 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 Ohio prescribers
Dr. Koh wrote 25 prescriptions for Citalopram Hbr, about half as often as the typical Ohio prescriber of it (45). Medicare paid $3.00 per fill, versus $6.54 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
Isosorbide mononitrate is used to prevent chest pain (angina) in patients with a certain heart condition (coronary artery disease).
Compared with Ohio prescribers
Dr. Koh wrote 23 prescriptions for Isosorbide Mononitrate Er, about half as often as the typical Ohio prescriber of it (50). Medicare paid $7.90 per fill, versus $11.84 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
Ibuprofen is used to relieve pain from various conditions such as headache, dental pain, menstrual cramps, muscle aches, or arthritis.
Compared with Ohio prescribers
Dr. Koh wrote 21 prescriptions for Ibuprofen, about 63% as often as the typical Ohio prescriber of it (33). Medicare paid $7.04 per fill, versus $7.45 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 mineral supplement used to treat or prevent low amounts of potassium in the blood.
Compared with Ohio prescribers
Dr. Koh wrote 21 prescriptions for Potassium Chloride, about 28% as often as the typical Ohio prescriber of it (75). Medicare paid $8.79 per fill, versus $20.26 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
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 Ohio prescribers
Dr. Koh wrote 21 prescriptions for Simvastatin, about 28% as often as the typical Ohio prescriber of it (75). Medicare paid $6.73 per fill, versus $7.25 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
Empagliflozin is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Ohio prescribers
Dr. Koh wrote 20 prescriptions for Jardiance, about 36% as often as the typical Ohio prescriber of it (55). Medicare paid $1,121.89 per fill, versus $991.08 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
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 Ohio prescribers
Dr. Koh wrote 19 prescriptions for Fluticasone Propionate, about 36% as often as the typical Ohio prescriber of it (52). Medicare paid $19.60 per fill, versus $13.37 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 mineral supplement used to treat or prevent low amounts of potassium in the blood.
Compared with Ohio prescribers
Dr. Koh wrote 19 prescriptions for Klor-Con M20, about 86% as often as the typical Ohio prescriber of it (22). Medicare paid $6.70 per fill, versus $19.58 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
Insulin glargine is used with a proper diet and exercise program to control high blood sugar in people with diabetes.
Compared with Ohio prescribers
Dr. Koh wrote 18 prescriptions for Lantus Solostar, about 38% as often as the typical Ohio prescriber of it (48). Medicare paid $124.41 per fill, versus $121.60 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
Terazosin is used alone or with other drugs to treat high blood pressure (hypertension).
Compared with Ohio prescribers
Dr. Koh wrote 18 prescriptions for Terazosin Hcl, about 81% as often as the typical Ohio prescriber of it (22). Medicare paid $7.99 per fill, versus $16.55 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
This product is used to control and prevent symptoms (such as wheezing and shortness of breath) caused by asthma and ongoing lung disease (chronic obstructive pulmonary disease-COPD, which includes chronic bronchitis and emphysema).
Compared with Ohio prescribers
Dr. Koh wrote 18 prescriptions for Trelegy Ellipta, about 31% as often as the typical Ohio prescriber of it (58). Medicare paid $638.95 per fill, versus $846.96 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
Tirzepatide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Ohio prescribers
Dr. Koh wrote 17 prescriptions for Mounjaro, about 39% as often as the typical Ohio prescriber of it (43). Medicare paid $1,094.09 per fill, versus $1,233.75 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
This is a long-acting form of oxybutynin that is used to treat overactive bladder and urinary conditions.
Compared with Ohio prescribers
Dr. Koh wrote 17 prescriptions for Oxybutynin Chloride Er, about half as often as the typical Ohio prescriber of it (38). Medicare paid $9.75 per fill, versus $23.89 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, anxiety).
Compared with Ohio prescribers
Dr. Koh wrote 16 prescriptions for Escitalopram Oxalate, about 28% as often as the typical Ohio prescriber of it (56). Medicare paid $3.00 per fill, versus $10.69 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
Clopidogrel is used to prevent heart attacks and strokes in persons with heart disease (recent heart attack), recent stroke, or blood circulation disease (peripheral vascular disease).
Compared with Ohio prescribers
Dr. Koh wrote 15 prescriptions for Clopidogrel, about 23% as often as the typical Ohio prescriber of it (67). Medicare paid $5.48 per fill, versus $10.49 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
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 Ohio prescribers
Dr. Koh wrote 14 prescriptions for Rosuvastatin Calcium, about 13% as often as the typical Ohio prescriber of it (107). Medicare paid $17.69 per fill, versus $13.17 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 Ohio prescribers
Dr. Koh wrote 14 prescriptions for Trazodone Hcl, about 19% as often as the typical Ohio prescriber of it (75). Medicare paid $3.83 per fill, versus $8.44 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
Famotidine is used to treat ulcers of the stomach and intestines and to prevent intestinal ulcers from coming back after they have healed.
Compared with Ohio prescribers
Dr. Koh wrote 13 prescriptions for Famotidine, about 24% as often as the typical Ohio prescriber of it (55). Medicare paid $10.99 per fill, versus $11.31 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
Finasteride is used to shrink an enlarged prostate (benign prostatic hyperplasia or BPH) in adult men.
Compared with Ohio prescribers
Dr. Koh wrote 12 prescriptions for Finasteride, about 22% as often as the typical Ohio prescriber of it (55). Medicare paid $1.12 per fill, versus $12.43 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
This medication is used to treat certain mental/mood disorders (such as depression, panic attacks, obsessive compulsive disorder, post-traumatic stress disorder, social anxiety disorder).
Compared with Ohio prescribers
Dr. Koh wrote 12 prescriptions for Sertraline Hcl, about 15% as often as the typical Ohio prescriber of it (80). Medicare paid $9.61 per fill, versus $8.69 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
Carvedilol is used to treat high blood pressure and heart failure.
Compared with Ohio prescribers
Dr. Koh wrote 11 prescriptions for Carvedilol, about 16% as often as the typical Ohio prescriber of it (70). Medicare paid $5.93 per fill, versus $8.34 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
Cefdinir is used to treat a wide variety of bacterial infections.
Compared with Ohio prescribers
Dr. Koh wrote 11 prescriptions for Cefdinir, about 38% as often as the typical Ohio prescriber of it (29). Medicare paid $17.94 per fill, versus $14.14 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Compared with Ohio prescribers
Dr. Koh wrote 11 prescriptions for Easy Touch Alcohol Prep Pads, about 63% as often as the typical Ohio prescriber of it (18). Medicare paid $7.71 per fill, versus $5.20 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
Hydralazine is used with or without other medications to treat high blood pressure.
Compared with Ohio prescribers
Dr. Koh wrote 11 prescriptions for Hydralazine Hcl, about 27% as often as the typical Ohio prescriber of it (41). Medicare paid $3.83 per fill, versus $13.64 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
Sitagliptin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with Ohio prescribers
Dr. Koh wrote 11 prescriptions for Januvia, about 31% as often as the typical Ohio prescriber of it (36). Medicare paid $591.49 per fill, versus $890.76 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
Memantine is used to treat moderate to severe confusion (dementia) related to Alzheimer's disease.
Compared with Ohio prescribers
Dr. Koh wrote 11 prescriptions for Memantine Hcl, about 16% as often as the typical Ohio prescriber of it (67). Medicare paid $34.33 per fill, versus $33.91 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
Prednisone is used to treat conditions such as arthritis, blood disorders, breathing problems, severe allergies, skin diseases, cancer, eye problems, and immune system disorders.
Compared with Ohio prescribers
Dr. Koh wrote 11 prescriptions for Prednisone, about 21% as often as the typical Ohio prescriber of it (52). Medicare paid $1.96 per fill, versus $3.48 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 and prevent ulcers in the intestines.
Compared with Ohio prescribers
Dr. Koh wrote 11 prescriptions for Sucralfate, about 35% as often as the typical Ohio prescriber of it (32). Medicare paid $17.49 per fill, versus $51.10 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 muscle spasms caused by certain conditions (such as multiple sclerosis, spinal cord injury).
Compared with Ohio prescribers
Dr. Koh wrote 11 prescriptions for Tizanidine Hcl, about 21% as often as the typical Ohio prescriber of it (51). Medicare paid $1.80 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.
Questions about Dr. Koh’s prescriptions
What does Dr. Koh prescribe most?
In 2024 Medicare Part D data, Dr. Koh's most prescribed medications were Atorvastatin Calcium (161), Amlodipine Besylate (140) and Metoprolol Succinate (85).
How does Dr. Koh's prescribing compare with other Ohio prescribers?
Of the 47 medications with a state comparison, Dr. Koh prescribes 5 about as often than the typical Ohio prescriber and 42 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Koh 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 Ohio 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.
