Dr. Timothy Derrick Do , MD
Neurological Surgery • Orange Park, FL
4689 Us Highway 17, Suite 11
Orange Park, FL 320034831
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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Dr. Timothy Do is listed in NPPES under Neurological Surgery.
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NPI assigned on November 9, 2008; this date does not establish years in practice.
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Published CMS data list 1,883 Original Medicare Part B services in 2023.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2023. Published rows only; this is not a quality measure.
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Published Part B service records, 2023:
- 99215 — Established patient outpatient office visit: 615 service units.
- 95937 — Testing of nerve-muscle junction: 350 service units.
- 95886 — Needle measurement of electrical activity in arm or leg muscles, complete study: 317 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2023. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2022 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2023). CPT notice
See all 11 records in the table · Guide: How to read Medicare Part B data
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Published CMS data list 288 Medicare Part D prescriptions, including refills, in 2024.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Published rows only; this is not a quality measure.
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Published Part D records, 2024:
- Levetiracetam — 47 prescription fills, including refills.
- Atorvastatin Calcium — 32 prescription fills, including refills.
- Carbidopa-Levodopa (Carbidopa/Levodopa) — 32 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See all 13 records in the table · Guide: How to read Medicare Part D prescriber data
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More Part D prescriptions than 80% of clinicians listed under Neurological Surgery in Florida (2024, 234 clinicians with data). Median for this group: 76. Middle half: 29 to 223.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Billing and prescribing volume is not a quality rating.
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Medicare Part B services went from 2,604 in 2019 to 1,883 in 2023.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2019–2023.
Practice Location & Contact Primary Location
4689 Us Highway 17
Suite 11
Orange Park, FL 320034831
What Public CMS Data Show
Neurological Surgery: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare-allowed amount
About $281,584 in 2023
The total amount Medicare approved for these services in 2023. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.
It shows the total cost of this clinician's Original Medicare services under Medicare's fee rules.
What this does not show: Medicare-allowed amount
This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2023.
Paid by Medicare
About $216,034 in 2023
The part of the Medicare-allowed amount that Medicare itself paid in 2023, after patients' deductibles and coinsurance.
The gap between the allowed amount and this number is roughly what patients and their other insurance paid.
What this does not show: Paid by Medicare
This is not the clinician's income and not a measure of quality.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2023.
30-day fills
665 standardized 30-day fills in 2024
CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.
What this does not show: 30-day fills
It is not a count of patients and not a measure of quality.
Part D drug cost
$10,614 in 2024
The total cost of these prescriptions in 2024, paid by Medicare drug plans, patients and other payers together.
It shows the total spending on drugs this clinician prescribed, not what any one patient paid.
What this does not show: Part D drug cost
A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024.
Industry payments (Open Payments)
Fewer than 11 payment records totaling $17.35 in 2021
Drug and medical device companies must report certain payments to doctors and some other clinicians to CMS, such as meals, travel, speaking fees or research funding.
It shows reported financial ties between this clinician and companies. You can ask your clinician about them.
These records are submitted by drug and medical device companies, and a reported payment does not necessarily mean the financial relationship is improper.
General: payments not tied to research, such as meals, travel, consulting or speaking fees.
A reported payment does not necessarily mean the financial relationship is improper. Research payments can go to a hospital or university for a study the clinician leads, not to the clinician personally. Clinicians can dispute records with the company that reported them.
Source: CMS Open Payments, program year 2021.
NPI first issued
2008
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Enrolled in Medicare (PECOS)
Dr. Do has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Can order Medicare-covered services
CMS lists Dr. Do as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Orange Park and Florida
Billing and prescribing volume is not a quality rating.
Medicare Part D prescriptions
More Part D prescriptions than 80% of clinicians listed under Neurological Surgery in Florida (2024, 234 clinicians with data). Median for this group: 76. Middle half: 29 to 223.
Too few clinicians listed under Neurological Surgery in Orange Park have Medicare Part D data for 2024 to compare.
Part D drug cost
A higher Part D drug cost than 90% of clinicians listed under Neurological Surgery in Florida (2024, 234 clinicians with data). Median for this group: $763. Middle half: $253 to $2,389.
Too few clinicians listed under Neurological Surgery in Orange Park have Medicare Part D data for 2024 to compare.
Medicare Part B
Comparisons use 2024 data. The latest CMS data for Dr. Do are from 2023.
4 active clinicians are listed under Neurological Surgery with a practice address in Orange Park, FL (645 in Florida).
Addresses are self-reported to NPPES and may be out of date.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part B services
Medicare Part B services decreased 28% from 2,604 in 2019 to 1,883 in 2023.
- 2019: 2,604
- 2020: 2,463
- 2021: 2,370
- 2022: 2,052
- 2023: 1,883
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Medicare-allowed amount
Medicare-allowed amount decreased 15% from $330,261 in 2019 to $281,584 in 2023.
- 2019: $330,261
- 2020: $331,320
- 2021: $358,138
- 2022: $318,177
- 2023: $281,584
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Paid by Medicare
Paid by Medicare decreased 16% from $257,514 in 2019 to $216,034 in 2023.
- 2019: $257,514
- 2020: $256,524
- 2021: $277,130
- 2022: $245,494
- 2023: $216,034
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Medicare Part D prescriptions
Medicare Part D prescriptions decreased 82% from 1,637 in 2020 to 288 in 2024.
- 2020: 1,637
- 2021: 1,687
- 2022: 1,750
- 2023: 1,762
- 2024: 288
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30-day fills
30-day fills decreased 73% from 2,460 in 2020 to 665 in 2024.
- 2020: 2,460
- 2021: 2,634
- 2022: 2,883
- 2023: 3,107
- 2024: 665
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Part D drug cost
Part D drug cost decreased 96% from $269,244 in 2020 to $10,614 in 2024.
- 2020: $269,244
- 2021: $265,971
- 2022: $107,050
- 2023: $214,369
- 2024: $10,614
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Industry payments (Open Payments)
Industry payments (Open Payments) went from $70.17 in 2019 to $17.35 in 2021.
- 2019: $70.17
- 2020: $14.15
- 2021: $17.35
Sources: CMS Medicare Physician & Other Practitioners (2023), CMS Medicare Part D Prescribers (2024), CMS Open Payments (2021), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2021 (payments made January 1 – December 31, 2021): fewer than 11 records totaling $17.35.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| Novartis Pharmaceuticals Corporation |
Food and Beverage
In-kind items and services
|
AIMOVIG | General | $17.35 |
Source: CMS Open Payments, program year 2021, released June 30, 2026.
Performed Procedures & Service Volume
CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016–2022 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners – by Provider and Service data, 2017–2023; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
| HCPCS Code | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
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99215
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
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615 | 298 | $303.00 | $177.23 |
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95937
Testing of nerve-muscle junction
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350 | 141 | $213.00 | $102.18 |
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95886
Needle measurement of electrical activity in arm or leg muscles, complete study
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317 | 143 | $279.00 | $94.31 |
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95887
Needle measurement of electrical activity in trunk or head muscles
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177 | 144 | $248.00 | $81.16 |
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99204
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
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118 | 118 | $358.00 | $164.61 |
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95913
Nerve conduction, 13 or more studies
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93 | 86 | $964.53 | $273.93 |
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95912
Nerve conduction, 11-12 studies
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84 | 84 | $840.00 | $243.86 |
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95816
Measurement of brain wave activity (eeg), awake and drowsy
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45 | 45 | $947.00 | $368.85 |
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99214
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
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30 | 28 | $225.00 | $125.10 |
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99205
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more
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27 | 27 | $443.00 | $220.62 |
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G2212
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or
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27 | 21 | $69.00 | $32.26 |
Source: CMS Part B by Provider and Service, 2023; services under 11 beneficiaries omitted by CMS. Privacy limits
Submitted charges are billed amounts, not a price quote for your visit.
Medicare Part D Prescribing Profile & Medications
Medicare Part D prescriptions filled, including refills, in 2024.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Levetiracetam | Levetiracetam | 47 | 2,217 | $1,261.53 | 13 |
| Atorvastatin Calcium | Atorvastatin Calcium | 32 | 2,890 | $276.43 | 16 |
| Carbidopa-Levodopa | Carbidopa/Levodopa | 32 | 2,090 | $304.63 | 15 |
| Memantine Hcl Er | Memantine Hcl | 32 | 2,340 | $3,512.21 | 13 |
| Memantine Hcl | Memantine Hcl | 29 | 1,935 | $673.93 | 15 |
| Clopidogrel | Clopidogrel Bisulfate | 24 | 2,170 | $274.59 | 12 |
| Primidone | Primidone | 18 | 1,310 | $332.58 | — |
| Donepezil Hcl | Donepezil Hcl | 16 | 720 | $345.72 | — |
| Amantadine | Amantadine Hcl | 14 | 1,130 | $649.16 | — |
| Gabapentin | Gabapentin | 11 | 690 | $173.82 | — |
| Amlodipine Besylate | Amlodipine Besylate | 11 | 990 | $129.31 | — |
| Tizanidine Hcl | Tizanidine Hcl | 11 | 630 | $172.83 | — |
| Rivastigmine | Rivastigmine | 11 | 810 | $2,507.48 | — |
Source: CMS Part D by Provider and Drug, 2024; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits
Specialties & License Numbers Reported to NPPES
NUCC Taxonomy Code: 207T00000X
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
NUCC Taxonomy Code: 207T00000X
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
Additional State Medicaid & Healthcare Payer Identifiers
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - NEUROLOGY
I20130709000143
FL
3678713096
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Recorded as TIMOTHY DO, MD
Neurological Surgery (license number reported to NPPES: DC 150583)
NPI status registered as active in NPPES database
Registered at 4689 US HIGHWAY 17, SUITE 11, ORANGE PARK, FL 320034831 (Tel: 9042697007)
Registered at 4689 US HIGHWAY 17, SUITE 11, ORANGE PARK, FL 320034831 (Tel: 9042697007)
Recorded as THI DO, MD
Neurological Surgery (license number reported to NPPES: FL ME111835)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
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Mailing Address
4689 Us Highway 17, Suite 11
Orange Park, FL 320034831
Phone: 9042697007