DR. CHRISTOPHER ARTHUR ROY WALKER M.D.
Prescription History 1013932011
Obstetrics & Gynecology in Orlando, FL

NPI Status: Active since July 12, 2006

Contact Information

801 N ORANGE AVE STE 710
ORLANDO, FL
ZIP 32801
Phone: (407) 333-0496
Fax: (407) 480-5118

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Prescription History for Informed Healthcare Decisions

Explore the verified Medicare Part D prescription history, volume metrics, and calculated drug costs for DR. CHRISTOPHER ARTHUR ROY WALKER M.D., an active Obstetrics & Gynecology specialist practicing in Orlando, FL. Our medical registry currently tracks 13 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 253 documented patient claims. Among these therapy options, the most frequently utilized medication is Gemtesa, which accounts for 37 claims alone.


Amitriptyline Hcl

Generic Formulation: Amitriptyline HclSpecialty: Obstetrics & Gynecology
Provider Metrics Summary
Total Claims 12
30-Day Fills 32.0
Days Supply 960
FL State Average Benchmarks
Peer Average Claims27.0
Peer Average 30-Day Fills51.6
Peer Average Days Supply1,537
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 55.6% less volume than the regional standard for practitioners inside FL. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $156.55 across this reporting matrix range.

Provider Avg Cost Per Claim

$13.05

State Avg Cost Per Claim

$21.82

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Therapeutic Applications

This medication is used to treat mental/mood problems such as depression. It may help improve mood and feelings of well-being, relieve anxiety and tension, help you sleep better, and increase your energy level. This medication belongs to a class of medications called tricyclic antidepressants. It works by affecting the balance of certain natural chemicals (neurotransmitters such as serotonin) in the brain.

Ciprofloxacin Hcl

Generic Formulation: Ciprofloxacin HclSpecialty: Obstetrics & Gynecology
Provider Metrics Summary
Total Claims 14
30-Day Fills 14.0
Days Supply 74
FL State Average Benchmarks
Peer Average Claims35.0
Peer Average 30-Day Fills35.8
Peer Average Days Supply300
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 60.0% less volume than the regional standard for practitioners inside FL. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $68.73 across this reporting matrix range.

Provider Avg Cost Per Claim

$4.91

State Avg Cost Per Claim

$8.04

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Clinical Summary

A broad-spectrum antimicrobial carboxyfluoroquinoline.

Therapeutic Applications

This medication is used to treat eye infections. Ciprofloxacin belongs to a class of drugs called quinolone antibiotics. It works by stopping the growth of bacteria. This medication treats only bacterial eye infections. It will not work for other types of eye infections. Unnecessary use or overuse of any antibiotic can lead to its decreased effectiveness.

Estradiol

Generic Formulation: EstradiolSpecialty: Obstetrics & Gynecology
Provider Metrics Summary
Total Claims 17
30-Day Fills 48.6
Days Supply 1,458
FL State Average Benchmarks
Peer Average Claims36.0
Peer Average 30-Day Fills91.5
Peer Average Days Supply2,735
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 52.8% less volume than the regional standard for practitioners inside FL. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $1,639.88 across this reporting matrix range.

Provider Avg Cost Per Claim

$96.46

State Avg Cost Per Claim

$70.73

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Clinical Summary

The 17-beta-isomer of estradiol, an aromatized C18 steroid with hydroxyl group at 3-beta- and 17-beta-position. Estradiol-17-beta is the most potent form of mammalian estrogenic steroids.

Therapeutic Applications

This medication is a female hormone (estrogen). It is used by women to help reduce symptoms of menopause (such as hot flashes, vaginal dryness). These symptoms are caused by the body making less estrogen. If you are using this medication to treat symptoms only in and around the vagina, products applied directly inside the vagina should be considered before medications that are taken by mouth, absorbed through the skin, or injected. This medication may also be used by women who are not able to produce enough estrogen (for example, due to hypogonadism, primary ovarian failure). Certain estrogen products may also be used by women after menopause to prevent bone loss (osteoporosis). However, there are other medications (such as raloxifene, bisphosphonates including alendronate) that are also effective in preventing bone loss and may be safer. These medications should be considered for use before estrogen treatment.

Fluconazole

Generic Formulation: FluconazoleSpecialty: Obstetrics & Gynecology
Provider Metrics Summary
Total Claims 16
30-Day Fills 16.0
Days Supply 50
FL State Average Benchmarks
Peer Average Claims22.0
Peer Average 30-Day Fills24.1
Peer Average Days Supply224
Conservative Utilization

This provider writes prescriptions for this formulation 27.3% less frequently than the standard regional baseline metric for practitioners inside FL. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $62.74 across this reporting matrix range.

Provider Avg Cost Per Claim

$3.92

State Avg Cost Per Claim

$12.70

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Clinical Summary

Triazole antifungal agent that is used to treat oropharyngeal CANDIDIASIS and cryptococcal MENINGITIS in AIDS.

Therapeutic Applications

Fluconazole is used to treat vaginal yeast infections. It works by stopping the growth of common types of vaginal yeast (fungus). This medication belongs to a class of drugs called azole antifungals.

Gabapentin

Generic Formulation: GabapentinSpecialty: Obstetrics & Gynecology
Provider Metrics Summary
Total Claims 35
30-Day Fills 54.0
Days Supply 1,620
FL State Average Benchmarks
Peer Average Claims103.0
Peer Average 30-Day Fills177.9
Peer Average Days Supply5,249
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 66.0% less volume than the regional standard for practitioners inside FL. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $228.80 across this reporting matrix range.

Provider Avg Cost Per Claim

$6.54

State Avg Cost Per Claim

$19.25

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Clinical Summary

A cyclohexane-gamma-aminobutyric acid derivative that is used for the treatment of PARTIAL SEIZURES; NEURALGIA; and RESTLESS LEGS SYNDROME.

Therapeutic Applications

Gabapentin is used with other medications to prevent and control seizures. It is also used to relieve nerve pain following shingles (a painful rash due to herpes zoster infection) in adults. Gabapentin is known as an anticonvulsant or antiepileptic drug.

Gemtesa

Generic Formulation: VibegronSpecialty: Obstetrics & Gynecology
Provider Metrics Summary
Total Claims 37
30-Day Fills 64.0
Days Supply 1,920
FL State Average Benchmarks
Peer Average Claims39.0
Peer Average 30-Day Fills53.3
Peer Average Days Supply1,423
Standard Average Utilization

This provider's prescribing patterns for this therapeutic formulation sit directly in line with standard baseline averages across FL. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $32,513.64 across this reporting matrix range.

Provider Avg Cost Per Claim

$878.75

State Avg Cost Per Claim

$580.59

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Therapeutic Applications

This medication is used to treat overactive bladder. Overactive bladder is a problem with how your bladder stores urine that causes a sudden urge to urinate. The urge may be hard to control, and overactive bladder symptoms may include frequent urination, strong sudden urges to urinate, or involuntary loss of urine (incontinence). Vibegron works by relaxing a certain bladder muscle (detrusor), which helps the bladder hold more urine and lessens symptoms of overactive bladder.

Ibuprofen

Generic Formulation: IbuprofenSpecialty: Obstetrics & Gynecology
Provider Metrics Summary
Total Claims 18
30-Day Fills 20.0
Days Supply 560
FL State Average Benchmarks
Peer Average Claims41.0
Peer Average 30-Day Fills48.3
Peer Average Days Supply1,008
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 56.1% less volume than the regional standard for practitioners inside FL. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $128.15 across this reporting matrix range.

Provider Avg Cost Per Claim

$7.12

State Avg Cost Per Claim

$9.27

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Clinical Summary

A non-steroidal anti-inflammatory agent with analgesic, antipyretic, and anti-inflammatory properties

Therapeutic Applications

Ibuprofen is used to help relieve mild to moderate pain. When used with an opioid (such as morphine), it may be used to relieve moderate to severe pain. It is also used to reduce fever. Ibuprofen is known as a nonsteroidal anti-inflammatory drug (NSAID). It works by blocking your body's production of certain natural substances that cause inflammation. This effect helps to decrease swelling, pain, or fever.

Levofloxacin

Generic Formulation: LevofloxacinSpecialty: Obstetrics & Gynecology
Provider Metrics Summary
Total Claims 24
30-Day Fills 24.0
Days Supply 100
FL State Average Benchmarks
Peer Average Claims26.0
Peer Average 30-Day Fills26.6
Peer Average Days Supply220
Standard Average Utilization

This provider's prescribing patterns for this therapeutic formulation sit directly in line with standard baseline averages across FL. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $56.86 across this reporting matrix range.

Provider Avg Cost Per Claim

$2.37

State Avg Cost Per Claim

$8.89

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Clinical Summary

The L-isomer of Ofloxacin.

Therapeutic Applications

This medication is used to treat a variety of bacterial infections. Levofloxacin belongs to a class of drugs known as quinolone antibiotics. It works by stopping the growth of bacteria. Levofloxacin injection is used if you cannot take the medication by mouth. 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.

Nitrofurantoin Mono-Macro

Generic Formulation: Nitrofurantoin Monohyd/M-CrystSpecialty: Obstetrics & Gynecology
Provider Metrics Summary
Total Claims 21
30-Day Fills 27.0
Days Supply 423
FL State Average Benchmarks
Peer Average Claims27.0
Peer Average 30-Day Fills29.0
Peer Average Days Supply274
Standard Average Utilization

This provider's prescribing patterns for this therapeutic formulation sit directly in line with standard baseline averages across FL. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $646.39 across this reporting matrix range.

Provider Avg Cost Per Claim

$30.78

State Avg Cost Per Claim

$23.67

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Therapeutic Applications

This medication is an antibiotic used to treat bladder infections (acute cystitis). 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. This medication should not be used in infants younger than 1 month old (see also Precautions section). This drug should not be used to treat infections outside the bladder (including kidney infections such as pyelonephritis or perinephric abscesses).

Oxycodone-Acetaminophen

Generic Formulation: Oxycodone Hcl/AcetaminophenSpecialty: Obstetrics & Gynecology
Provider Metrics Summary
Total Claims 12
30-Day Fills 12.0
Days Supply 33
FL State Average Benchmarks
Peer Average Claims101.0
Peer Average 30-Day Fills101.4
Peer Average Days Supply2,312
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 88.1% less volume than the regional standard for practitioners inside FL. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $65.91 across this reporting matrix range.

Provider Avg Cost Per Claim

$5.49

State Avg Cost Per Claim

$33.99

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Therapeutic Applications

This combination medication is used to help relieve moderate to severe pain. It contains an opioid pain reliever (oxycodone) and a non-opioid pain reliever (acetaminophen). Oxycodone works in the brain to change how your body feels and responds to pain. Acetaminophen can also reduce a fever.

Premarin

Generic Formulation: Estrogens, ConjugatedSpecialty: Obstetrics & Gynecology
Provider Metrics Summary
Total Claims 21
30-Day Fills 25.0
Days Supply 698
FL State Average Benchmarks
Peer Average Claims23.0
Peer Average 30-Day Fills47.2
Peer Average Days Supply1,404
Standard Average Utilization

This provider's prescribing patterns for this therapeutic formulation sit directly in line with standard baseline averages across FL. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $9,990.91 across this reporting matrix range.

Provider Avg Cost Per Claim

$475.76

State Avg Cost Per Claim

$411.38

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Clinical Summary

A pharmaceutical preparation containing a mixture of water-soluble, conjugated estrogens derived wholly or in part from URINE of pregnant mares or synthetically from ESTRONE and EQUILIN. It contains a sodium-salt mixture of estrone sulfate (52-62%) and equilin sulfate (22-30%) with a total of the two between 80-88%. Other concomitant conjugates include 17-alpha-dihydroequilin, 17-alpha-estradiol, and 17-beta-dihydroequilin. The potency of the preparation is expressed in terms of an equivalent quantity of sodium estrone sulfate.

Therapeutic Applications

This medication is a female hormone. It is used by women to help reduce symptoms of menopause (such as hot flashes, vaginal dryness). These symptoms are caused by the body making less estrogen. If you are using this medication to treat symptoms only in and around the vagina, products applied directly inside the vagina should be considered before medications that are taken by mouth, absorbed through the skin, or injected. Certain estrogen products may also be used by women after menopause to prevent bone loss (osteoporosis). However, there are other medications (such as raloxifene, bisphosphonates including alendronate) that are also effective in preventing bone loss and may be safer. These medications should be considered for use before estrogen treatment. Certain estrogen products may also be used by men and women to treat cancers (certain types of prostate cancer, breast cancer that has spread to other parts of the body) and by women who are not able to produce enough estrogen (for example, due to hypogonadism, primary ovarian failure).

Progesterone

Generic Formulation: Progesterone, MicronizedSpecialty: Obstetrics & Gynecology
Provider Metrics Summary
Total Claims 14
30-Day Fills 26.0
Days Supply 750
FL State Average Benchmarks
Peer Average Claims32.0
Peer Average 30-Day Fills76.4
Peer Average Days Supply2,281
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 56.3% less volume than the regional standard for practitioners inside FL. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $583.61 across this reporting matrix range.

Provider Avg Cost Per Claim

$41.69

State Avg Cost Per Claim

$72.54

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Therapeutic Applications

This medication is used to treat infertility in women who do not make enough of a certain natural hormone called progesterone. This hormone is needed to maintain pregnancy. This medication is also used to restore menstrual cycles in women whose cycles have stopped. Progesterone is needed to keep menstrual periods regular.

Tamsulosin Hcl

Generic Formulation: Tamsulosin HclSpecialty: Obstetrics & Gynecology
Provider Metrics Summary
Total Claims 12
30-Day Fills 30.0
Days Supply 900
FL State Average Benchmarks
Peer Average Claims87.0
Peer Average 30-Day Fills212.5
Peer Average Days Supply6,326
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 86.2% less volume than the regional standard for practitioners inside FL. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $128.79 across this reporting matrix range.

Provider Avg Cost Per Claim

$10.73

State Avg Cost Per Claim

$17.32

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Therapeutic Applications

Tamsulosin is used by men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH). It does not shrink the prostate, but it works by relaxing the muscles in the prostate and the bladder. This helps to relieve symptoms of BPH such as difficulty in beginning the flow of urine, weak stream, and the need to urinate often or urgently (including during the middle of the night). Tamsulosin belongs to a class of drugs known as alpha blockers. Do not use this medication to treat high blood pressure.

Dataset Methodology & CMS Source Information

This analytical profile maps public infrastructure records sourced directly from official **Centers for Medicare & Medicaid Services (CMS)** public data releases. The statistics above track documented pharmaceutical treatment trends assigned to beneficiaries specifically under federal public programs. Evaluating the prescriptive footprints of clinical practitioners like DR. CHRISTOPHER ARTHUR ROY WALKER M.D. provides transparency into local medical care patterns within Orlando, FL.

Key Learning Objectives for this Profile:

  • Prescribing Frequencies: Track and evaluate the volume metrics of specific brand-name and generic medical formulas chosen by this provider over time.
  • Clinical Focus Areas: Identify how the provider distributes therapeutic selections across medical care options to gain insight into their true day-to-day **Obstetrics & Gynecology** practice concentrations.
  • Program Cost Awareness: Review the calculated total systemic drug costs and raw transactional volumes linked to these orders to better anticipate network insurance coverage structures.
  • Patient-Centered Evaluation: Cross-reference localized regional care comparisons to align practitioner habits directly with your proactive health maintenance goals.

Data Scope Exclusion & Limitations: The data elements presented above explicitly reflect prescription orders processed for Medicare beneficiaries during the year 2023. This informational profile does not aggregate prescription data for individuals utilizing private commercial health plans, state Medicaid coverage, or self-pay options. However, because medical decision-making remains highly consistent across clinical settings, this public registry provides a reliable proxy for understanding the general prescribing preferences and pharmaceutical care approach used by this provider.