Dr. Gerald B Hamilton , MD
Surgery • Lenexa, KS
23401 Prairie Star Pkwy, Suite 300
Lenexa, KS 662277268
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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NPI assigned on September 15, 2005; this date does not establish years in practice.
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Published CMS data list 415 Original Medicare Part B services in 2024.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Published rows only; this is not a quality measure.
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Published Part B service records, 2024:
- 97530 — Therapy procedure using functional activities: 56 service units.
- 97110 — Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility: 28 service units.
- 97162 — Evaluation for physical therapy: 17 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2023 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2024). CPT notice
See all 29 records in the table · Guide: How to read Medicare Part B data
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Published CMS data list 14 Medicare Part D prescriptions, including refills, in 2020.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2020. Published rows only; this is not a quality measure.
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Published Part D records, 2020:
- Omeprazole — 14 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2020. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See the full table · Guide: How to read Medicare Part D prescriber data
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More Medicare Part B services than 60% of clinicians listed under Surgery in Kansas (2024, 158 clinicians with data). Median for this group: 315. Middle half: 166 to 626.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Billing and prescribing volume is not a quality rating.
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Medicare Part B services went from 571 in 2020 to 415 in 2024.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2020–2024.
Practice Location & Contact Primary Location
23401 Prairie Star Pkwy
Suite 300
Lenexa, KS 662277268
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
CMS Doctors and Clinicians lists 1 group name: Kc Bariatric Llc. See the list
Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.
Listings do not confirm current availability, employment or a shared ownership network.
Medicare Profile & Education
Source: CMS Doctors and Clinicians National Downloadable File
University Of Tennessee, Hsc, College Of Medicine
1997
What Public CMS Data Show
Surgery: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare patients
46 people with Original Medicare in 2024
It gives a sense of how many people with Medicare this clinician treated that year.
Source: CMS, Medicare Physician & Other Practitioners – by Provider, 2024.
Medicare-allowed amount
About $6,820 in 2024
The total amount Medicare approved for these services in 2024. 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, 2024.
Paid by Medicare
About $5,696 in 2024
The part of the Medicare-allowed amount that Medicare itself paid in 2024, 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, 2024.
30-day fills
14 standardized 30-day fills in 2020
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
$47 in 2020
The total cost of these prescriptions in 2020, 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, 2020.
Industry payments (Open Payments)
Fewer than 11 payment records totaling $26.33 in 2022
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 2022.
Years since graduation
29 years (graduated 1997)
CMS Doctors and Clinicians data list 1997 as the year this clinician finished professional school.
It tells you roughly how long ago the clinician finished school.
What this does not show: Years since graduation
It is not the number of years in practice, and more years does not mean better care.
Source: CMS Doctors and Clinicians National Downloadable File.
NPI first issued
2005
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.
May accept Medicare assignment
CMS data show this clinician may accept Medicare assignment. Clinicians who do not always accept assignment can decide case by case.
Ask the office before your visit. If a clinician does not accept assignment for a service, they can charge up to 15% more than the Medicare-approved amount, and you may be asked to pay the full amount at the visit.
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. Hamilton 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. Hamilton 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 Lenexa and Kansas
Billing and prescribing volume is not a quality rating.
Medicare Part B services
More Medicare Part B services than 60% of clinicians listed under Surgery in Kansas (2024, 158 clinicians with data). Median for this group: 315. Middle half: 166 to 626.
Too few clinicians listed under Surgery in Lenexa have Medicare Part B data for 2024 to compare.
Medicare-allowed amount
A lower Medicare-allowed amount than 90% of clinicians listed under Surgery in Kansas (2024, 158 clinicians with data). Median for this group: $38,806. Middle half: $19,391 to $72,805.
Too few clinicians listed under Surgery in Lenexa have Medicare Part B data for 2024 to compare.
Paid by Medicare
A lower Medicare payment amount than 90% of clinicians listed under Surgery in Kansas (2024, 158 clinicians with data). Median for this group: $29,757. Middle half: $14,415 to $55,660.
Too few clinicians listed under Surgery in Lenexa have Medicare Part B data for 2024 to compare.
Medicare Part D
Comparisons use 2024 data. The latest CMS data for Dr. Hamilton are from 2020.
5 active clinicians are listed under Surgery with a practice address in Lenexa, KS (350 in Kansas).
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 27% from 571 in 2020 to 415 in 2024.
- 2020: 571
- 2021: 278
- 2022: 32
- 2023: 236
- 2024: 415
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Medicare-allowed amount
Medicare-allowed amount decreased 20% from $8,521 in 2020 to $6,820 in 2024.
- 2020: $8,521
- 2021: $5,128
- 2022: $2,465
- 2023: $2,896
- 2024: $6,820
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Paid by Medicare
Paid by Medicare decreased 26% from $7,725 in 2020 to $5,696 in 2024.
- 2020: $7,725
- 2021: $4,420
- 2022: $1,728
- 2023: $2,252
- 2024: $5,696
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Medicare Part D prescriptions
Medicare Part D prescriptions decreased 91% from 161 in 2013 to 14 in 2020.
- 2013: 161
- 2014: 73
- 2015: 17
- 2020: 14
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30-day fills
30-day fills decreased 91% from 163 in 2013 to 14 in 2020.
- 2013: 163
- 2014: 75
- 2015: 21
- 2020: 14
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Part D drug cost
Part D drug cost decreased 99% from $5,093 in 2013 to $47 in 2020.
- 2013: $5,093
- 2014: $1,218
- 2015: $153
- 2020: $47
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Industry payments (Open Payments)
Industry payments (Open Payments) decreased 100% from $13,254.93 in 2019 to $26.33 in 2022.
- 2019: $13,254.93
- 2020: $160.20
- 2021: $142.27
- 2022: $26.33
Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Medicare Part D Prescribers (2020), CMS Open Payments (2022), 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 2022 (payments made January 1 – December 31, 2022): fewer than 11 records totaling $26.33.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| Ambu Inc. |
Food and Beverage
Cash or cash equivalent
|
— | General | $26.33 |
Source: CMS Open Payments, program year 2022, 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 2016–2023 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, 2017–2024; 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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97530
Therapy procedure using functional activities
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56 | 25 | $100.00 | $25.77 |
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97110
Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes
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28 | 19 | $100.00 | $20.04 |
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97162
Evaluation for physical therapy, typically 30 minutes
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17 | 16 | $200.00 | $88.64 |
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97164
Re-evaluation for physical therapy, typically 20 minutes
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14 | 14 | $100.00 | $61.32 |
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80061
Blood test, lipids (cholesterol and triglycerides)
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12 | 11 | $55.00 | $13.12 |
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82040
Albumin (protein) level
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12 | 11 | $14.00 | $4.85 |
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82247
Bilirubin level, total
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12 | 11 | $14.00 | $4.92 |
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82306
Vitamin d-3 level
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12 | 11 | $124.00 | $29.01 |
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82310
Calcium level, total
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12 | 11 | $15.00 | $5.06 |
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82435
Blood chloride level
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12 | 11 | $15.00 | $4.51 |
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82565
Blood creatinine level
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12 | 11 | $15.00 | $5.02 |
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82607
Cyanocobalamin (vitamin b-12) level
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12 | 11 | $62.00 | $14.78 |
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82728
Ferritin (blood protein) level
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12 | 11 | $20.00 | $13.36 |
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82746
Folic acid level, serum
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12 | 11 | $60.00 | $14.41 |
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82947
Blood glucose (sugar) level
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12 | 11 | $15.00 | $3.85 |
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83540
Iron level
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12 | 11 | $26.00 | $6.34 |
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83735
Magnesium level
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12 | 11 | $60.00 | $6.57 |
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84075
Phosphatase (enzyme) level, alkaline
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12 | 11 | $15.00 | $5.08 |
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84100
Phosphate level
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12 | 11 | $60.00 | $4.65 |
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84132
Blood potassium level
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12 | 11 | $15.00 | $4.66 |
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84134
Prealbumin (protein) level
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12 | 11 | $60.00 | $14.30 |
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84155
Total protein level, blood
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12 | 11 | $15.00 | $3.60 |
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84295
Blood sodium level
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12 | 11 | $15.00 | $4.71 |
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84443
Blood test, thyroid stimulating hormone (tsh)
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12 | 11 | $69.00 | $16.46 |
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84450
Liver enzyme (sgot), level
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12 | 11 | $20.00 | $5.08 |
(top 25 shown)
Source: CMS Part B by Provider and Service, 2024; 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 2020.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Omeprazole | Omeprazole | 14 | 409 | $46.99 | — |
Source: CMS Part D by Provider and Drug, 2020; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits
Specialties & License Numbers Reported to NPPES
NUCC Taxonomy Code: 208600000X
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Additional State Medicaid & Healthcare Payer Identifiers
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - GENERAL SURGERY
I20120921000269
KS
7012956105
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Medicare Group Practice Enrollments
Source: CMS Doctors and Clinicians National Downloadable File
Kc Bariatric Llc
23401 Prairie Star Pkwy, Lenexa, KS 662277246
Kc Bariatric Llc
23401 Prairie Star Pkwy, Lenexa, KS 662277268
Phone: 9136776319
Kc Bariatric Llc
23401 Prairie Star Pkwy, Lenexa, KS 662277268
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Surgery
Doctor of Medicine (M.D.)
Physical Therapist
Physical Therapist
Physical Therapist
Master of Science in Physical Therapy
Physician Assistant - Surgical
Physician Assistant (Certified)
Nurse Practitioner
APRNFNPC
Physician Assistant
Physician Assistant (Certified)
Career & Practice History
NPI enumerated September 15, 2005.
No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from January 2017 to August 2026.
NPI Administrative Meta
Other Surgery Specialists in Lenexa
Healthcare providers in LenexaMailing Address
23401 Prairie Star Pkwy, Suite 300
Lenexa, KS 662277268
Phone: 9136776319