DR. DEREK MICHAEL PHELPS OD
Prescription History 1316508708
Optometrist in Tempe, AZ
Medicare Part D Prescription History
Explore the verified Medicare Part D prescription history, volume metrics, and calculated drug costs for DR. DEREK MICHAEL PHELPS OD, an active Optometrist specialist practicing in Tempe, AZ. Our medical registry currently tracks 15 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 654 documented patient claims. Among these therapy options, the most frequently utilized medication is Prednisolone Acetate, which accounts for 142 claims alone. Use the table below to sort by claims, cost, or utilization compared with the state average; select any medication for its full profile.
| Medication | Prescriptions (2023)Rx (2023) | Avg Cost per FillCost / Fill | Vs. Other AZ PrescribersVs. AZ Avg |
|---|---|---|---|
| Prednisolone Acetate | 142 | $35.18▼ below AZ avg | ≈ Typical |
About Prednisolone Acetate: This medication is used to treat certain eye conditions due to inflammation or injury. Show more ▾ Prednisolone works by relieving symptoms such as swelling, redness, and itching. It belongs to a class of drugs known as corticosteroids. In 2023, this provider wrote 142 Medicare prescriptions for Prednisolone Acetate, about the same volume as the typical Arizona prescriber of this medication (130). Medicare paid an average of $35.18 per fill, versus $46.72 statewide. How often this provider prescribes it This provider's prescribing volume for this medication is in line with the average AZ prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the AZ average for this medication. 193 30-Day Fills standardized to 30-day supplies 4,791 Days of Medication total across all patients in 2023 | |||
| ValacyclovirValacyclovir Hcl | 76 | $64.10 | ▲ More than typical |
About Valacyclovir: Valacyclovir is used to treat infections caused by certain types of viruses. Show more ▾ In children, it is used to treat cold sores around the mouth (caused by herpes simplex) and chickenpox (caused by varicella zoster). In adults, it is used to treat shingles (caused by herpes zoster) and cold sores around the mouth. Valacyclovir is also used to treat outbreaks of genital herpes. In people with frequent outbreaks, this medication is used to reduce the number of future episodes. Valacyclovir is an antiviral drug. It stops the growth of certain viruses. However, it is not a cure for these infections. The viruses that cause these infections continue to live in the body even between outbreaks. Valacyclovir decreases the severity and length of these outbreaks. It helps the sores heal faster, keeps new sores from forming, and decreases pain/itching. This medication may also help reduce how long pain remains after the sores heal. A prodrug of acyclovir that is used in the treatment of HERPES ZOSTER and HERPES SIMPLEX VIRUS INFECTION of the skin and mucous membranes, including GENITAL HERPES. In 2023, this provider wrote 76 Medicare prescriptions for Valacyclovir, about 3.6 times the volume of the typical Arizona prescriber of this medication (21). Medicare paid an average of $64.10 per fill, versus $50.53 statewide. How often this provider prescribes it This provider prescribes this medication more often than the average AZ prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 118 30-Day Fills standardized to 30-day supplies 3,098 Days of Medication total across all patients in 2023 | |||
| Fluorometholone | 58 | $78.36 | ▲ More than typical |
About Fluorometholone: This medication is used to treat certain eye conditions due to inflammation or injury. Show more ▾ Fluorometholone works by relieving symptoms such as swelling, redness, and itching. It belongs to a class of drugs known as corticosteroids. A glucocorticoid employed, usually as eye drops, in the treatment of allergic and inflammatory conditions of the eye. It has also been used topically in the treatment of various skin disorders. (From Martindale, The Extra Pharmacopoeia, 30th ed, p732) In 2023, this provider wrote 58 Medicare prescriptions for Fluorometholone, about 1.3 times the volume of the typical Arizona prescriber of this medication (43). Medicare paid an average of $78.36 per fill, versus $77.56 statewide. How often this provider prescribes it This provider prescribes this medication more often than the average AZ prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 122.1 30-Day Fills standardized to 30-day supplies 3,568 Days of Medication total across all patients in 2023 | |||
| Ketorolac Tromethamine | 53 | $20.65▼ below AZ avg | ▼ Less than typical |
About Ketorolac Tromethamine: This medication is used to temporarily relieve itching eyes caused by seasonal allergies. Show more ▾ It is also used to prevent and treat eye swelling due to a certain type of eye surgery (cataract removal). Ketorolac belongs to a class of drugs known as nonsteroidal anti-inflammatory drugs (NSAIDs). It works by blocking certain natural substances in your body to reduce pain and swelling. A pyrrolizine carboxylic acid derivative structurally related to INDOMETHACIN. It is a non-steroidal anti-inflammatory agent used for analgesia for postoperative pain and inhibits cyclooxygenase activity. In 2023, this provider wrote 53 Medicare prescriptions for Ketorolac Tromethamine, about half the volume of the typical Arizona prescriber of this medication (90). Medicare paid an average of $20.65 per fill, versus $30.53 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average AZ prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the AZ average for this medication. 66.4 30-Day Fills standardized to 30-day supplies 1,674 Days of Medication total across all patients in 2023 | |||
| Latanoprost | 53 | $21.60▼ below AZ avg | ▼ Less than typical |
About Latanoprost: Latanoprost is used to treat high pressure inside the eye due to glaucoma (open angle type) or other eye diseases (such as ocular hypertension). Show more ▾ It is similar to a natural chemical in the body (prostaglandin) and works by regulating the flow of fluid within the eye which results in lower pressure. Lowering high pressure inside the eye helps to prevent blindness. A prostaglandin F analog used to treat OCULAR HYPERTENSION in patients with GLAUCOMA. In 2023, this provider wrote 53 Medicare prescriptions for Latanoprost, about a third of the volume of the typical Arizona prescriber of this medication (167). Medicare paid an average of $21.60 per fill, versus $25.58 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average AZ prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the AZ average for this medication. 114.3 30-Day Fills standardized to 30-day supplies 3,424 Days of Medication total across all patients in 2023 | |||
| Timolol Maleate | 42 | $15.15▼ below AZ avg | ▼ Less than typical |
About Timolol Maleate: This medication is used to treat high pressure inside the eye due to glaucoma (open angle-type) or other eye diseases (such as ocular hypertension). Show more ▾ Lowering high pressure inside the eye helps to prevent blindness. This medication works by decreasing the amount of fluid within the eye. Timolol belongs to a class of drugs known as beta-blockers. A beta-adrenergic antagonist that is similar in action to PROPRANOLOL; the levo-isomer is more active. Timolol has been proposed as an anti-hypertensive, anti-arrhythmic, anti-angina, and anti-glaucoma agent. It is also used in the treatment of MIGRAINE DISORDERS and tremor. In 2023, this provider wrote 42 Medicare prescriptions for Timolol Maleate, about half the volume of the typical Arizona prescriber of this medication (96). Medicare paid an average of $15.15 per fill, versus $17.83 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average AZ prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the AZ average for this medication. 79 30-Day Fills standardized to 30-day supplies 2,344 Days of Medication total across all patients in 2023 | |||
| Doxycycline Hyclate | 35 | $26.03 | ≈ Typical |
About Doxycycline Hyclate: This medication is used to treat a wide variety of bacterial infections, including those that cause acne. Show more ▾ This medication is also used to prevent malaria. This medication is known as a tetracycline antibiotic. It works by stopping the growth of bacteria. This antibiotic treats only bacterial infections. It will not work for viral infections (such as common cold, flu). Using any antibiotic when it is not needed can cause it to not work for future infections. A synthetic tetracycline derivative with similar antimicrobial activity. In 2023, this provider wrote 35 Medicare prescriptions for Doxycycline Hyclate, about the same volume as the typical Arizona prescriber of this medication (31). Medicare paid an average of $26.03 per fill, versus $22.31 statewide. How often this provider prescribes it This provider's prescribing volume for this medication is in line with the average AZ prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 53.8 30-Day Fills standardized to 30-day supplies 1,449 Days of Medication total across all patients in 2023 | |||
| ErythromycinErythromycin Base | 35 | $13.85▼ below AZ avg | ▼ Less than typical |
About Erythromycin: Erythromycin is used to treat a wide variety of bacterial infections. Show more ▾ It may also be used to prevent certain bacterial infections. Erythromycin is known as a macrolide antibiotic. It works by stopping the growth of bacteria. This antibiotic treats or prevents only bacterial infections. It will not work for viral infections (such as common cold, flu). Using any antibiotic when it is not needed can cause it to not work for future infections. In 2023, this provider wrote 35 Medicare prescriptions for Erythromycin, about 70% of the volume of the typical Arizona prescriber of this medication (50). Medicare paid an average of $13.85 per fill, versus $20.63 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average AZ prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the AZ average for this medication. 35 30-Day Fills standardized to 30-day supplies 360 Days of Medication total across all patients in 2023 | |||
| Dorzolamide-TimololDorzolamide Hcl/Timolol Maleat | 34 | $32.75▼ below AZ avg | ▼ Less than typical |
About Dorzolamide-Timolol: This product contains two drugs used to treat high pressure inside the eye due to glaucoma (open angle-type) or other eye diseases (such as ocular hypertension). Show more ▾ Lowering high pressure inside the eye helps to prevent blindness. This medication works by decreasing the amount of fluid within the eye. Timolol belongs to a class of drugs known as beta-blockers, and dorzolamide belongs to a class of drugs known as carbonic anhydrase inhibitors. In 2023, this provider wrote 34 Medicare prescriptions for Dorzolamide-Timolol, about a third of the volume of the typical Arizona prescriber of this medication (86). Medicare paid an average of $32.75 per fill, versus $35.08 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average AZ prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the AZ average for this medication. 95.1 30-Day Fills standardized to 30-day supplies 2,854 Days of Medication total across all patients in 2023 | |||
| Polymyxin B Sul-TrimethoprimPolymyxin B Sulf/Trimethoprim | 27 | $8.93▼ below AZ avg | ≈ Typical |
About Polymyxin B Sul-Trimethoprim: This medication is used to treat bacterial infections (such as blepharitis, conjunctivitis) of the eye. Show more ▾ It contains 2 antibiotics. Polymyxin B works by killing the bacteria. Trimethoprim works by stopping the growth of the bacteria. This medication treats only bacterial eye infections. It will not work for other types of eye infections. Unnecessary use or misuse of any antibiotic can lead to its decreased effectiveness. In 2023, this provider wrote 27 Medicare prescriptions for Polymyxin B Sul-Trimethoprim, about the same volume as the typical Arizona prescriber of this medication (26). Medicare paid an average of $8.93 per fill, versus $9.24 statewide. How often this provider prescribes it This provider's prescribing volume for this medication is in line with the average AZ prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the AZ average for this medication. 46.1 30-Day Fills standardized to 30-day supplies 1,375 Days of Medication total across all patients in 2023 | |||
| Acyclovir | 26 | $17.34▼ below AZ avg | ≈ Typical |
About Acyclovir: Acyclovir is used to treat infections caused by certain types of viruses. Show more ▾ It treats cold sores around the mouth (caused by herpes simplex), shingles (caused by herpes zoster), and chickenpox. This medication is also used to treat outbreaks of genital herpes. In people with frequent outbreaks, acyclovir is used to help reduce the number of future episodes. Acyclovir is an antiviral drug. However, it is not a cure for these infections. The viruses that cause these infections continue to live in the body even between outbreaks. Acyclovir decreases the severity and length of these outbreaks. It helps the sores heal faster, keeps new sores from forming, and decreases pain/itching. This medication may also help reduce how long pain remains after the sores heal. In addition, in people with a weakened immune system, acyclovir can decrease the risk of the virus spreading to other parts of the body and causing serious infections. A GUANOSINE analog that acts as an antimetabolite. Viruses are especially susceptible. Used especially against herpes. In 2023, this provider wrote 26 Medicare prescriptions for Acyclovir, about the same volume as the typical Arizona prescriber of this medication (24). Medicare paid an average of $17.34 per fill, versus $24.78 statewide. How often this provider prescribes it This provider's prescribing volume for this medication is in line with the average AZ prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the AZ average for this medication. 42 30-Day Fills standardized to 30-day supplies 1,245 Days of Medication total across all patients in 2023 | |||
| MoxifloxacinMoxifloxacin Hcl | 25 | $38.84 | ▼ Less than typical |
About Moxifloxacin: This medication is a quinolone antibiotic used for eye infections. Show more ▾ A fluoroquinolone that acts as an inhibitor of DNA TOPOISOMERASE II and is used as a broad-spectrum antibacterial agent. In 2023, this provider wrote 25 Medicare prescriptions for Moxifloxacin, about a third of the volume of the typical Arizona prescriber of this medication (81). Medicare paid an average of $38.84 per fill, versus $33.93 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average AZ prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 25.3 30-Day Fills standardized to 30-day supplies 441 Days of Medication total across all patients in 2023 | |||
| Doxycycline Monohydrate | 19 | $18.76▼ below AZ avg | ▼ Less than typical |
About Doxycycline Monohydrate: This medication is used to treat a certain type of skin condition called rosacea. Show more ▾ It helps to reduce the number of pimples and bumps on the face, but it may not decrease redness. It works by reducing skin inflammation caused by rosacea. Although doxycycline belongs to the class of antibiotics known as tetracyclines, this product does not work as an antibiotic because it does not stop the growth of bacteria. Do not use this product to treat any infection, including viral infections (such as the common cold, flu). Use this medication only as prescribed by your doctor. A plant family of the order Dipsacales, subclass Asteridae, class Magnoliopsida. Members of this family are sometimes classified in CAPRIFOLIACEAE. In 2023, this provider wrote 19 Medicare prescriptions for Doxycycline Monohydrate, about 68% of the volume of the typical Arizona prescriber of this medication (28). Medicare paid an average of $18.76 per fill, versus $22.20 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average AZ prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the AZ average for this medication. 29 30-Day Fills standardized to 30-day supplies 834 Days of Medication total across all patients in 2023 | |||
| RestasisCyclosporine | 17 | $869.08▼ below AZ avg | ▼ Less than typical |
About Restasis: Cyclosporine eye drops are used to treat a certain type of dry eyes. Show more ▾ They work by increasing the amount of tears you make. A group of closely related cyclic undecapeptides from the fungi Trichoderma polysporum and Cylindocarpon lucidum. They have some antineoplastic and antifungal action and significant immunosuppressive effects. Cyclosporins have been proposed as adjuvants in tissue and organ transplantation to suppress graft rejection. In 2023, this provider wrote 17 Medicare prescriptions for Restasis, about a third of the volume of the typical Arizona prescriber of this medication (43). Medicare paid an average of $869.08 per fill, versus $1,142.57 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average AZ prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the AZ average for this medication. 27 30-Day Fills standardized to 30-day supplies 750 Days of Medication total across all patients in 2023 | |||
| ZirganGanciclovir | 12 | $457.13▼ below AZ avg | ▼ Less than typical |
About Zirgan: Ganciclovir is used to treat herpes infection of the eye. Show more ▾ Although ganciclovir stops the growth of the virus, it is not a cure for the herpes infection. Herpes virus continues to live in the body even between outbreaks of infection. However, treating an outbreak may help the sores in the eye to heal faster and lower the risk of complications (such as decreased vision, blindness). Ganciclovir is an anti-viral drug. This medication treats only herpes eye infections. It will not work for other types of eye infections, such as those caused by bacteria. Unnecessary use or misuse of any anti-infective drug can lead to its decreased effectiveness. An ACYCLOVIR analog that is a potent inhibitor of the Herpesvirus family including cytomegalovirus. Ganciclovir is used to treat complications from AIDS-associated cytomegalovirus infections. In 2023, this provider wrote 12 Medicare prescriptions for Zirgan, about half the volume of the typical Arizona prescriber of this medication (25). Medicare paid an average of $457.13 per fill, versus $556.88 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average AZ prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the AZ average for this medication. 12 30-Day Fills standardized to 30-day supplies 249 Days of Medication total across all patients in 2023 | |||
About this data. The prescription history for DR. DEREK MICHAEL PHELPS OD is compiled from the Centers for Medicare & Medicaid Services (CMS) Medicare Part D Prescriber Public Use File for calendar year 2023, the most recent federal release. Figures cover prescriptions filled for Medicare Part D beneficiaries only; prescriptions under private insurance, Medicaid, or self-pay plans are not included. Because prescribing decisions are generally consistent across coverage types, this record offers a useful view of the overall Optometrist prescribing approach at this Tempe, AZ practice.
Reading the costs. Drug costs are gross amounts paid to pharmacies under Part D, including both plan and beneficiary payments. They are not the price a patient pays at the pharmacy counter. Medications with fewer than 11 claims are excluded from the federal source data, and state comparisons use the average volume among AZ prescribers of the same medication. Always confirm current medications and costs directly with the provider and your plan.
