John Cordeaux Lambert , NP
Nurse Practitioner • Brookhaven, MS
1036 D A Biglane Dr
Brookhaven, MS 396012331
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 June 30, 2016; this date does not establish years in practice.
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Published CMS data list 530 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:
- 99284 — Emergency department visit with moderate level of medical decision making: 360 service units.
- 99283 — Emergency department visit with low level of medical decision making: 121 service units.
- 99285 — Emergency department visit with high level of medical decision making: 49 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 the full table · Guide: How to read Medicare Part B data
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Published CMS data list 852 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:
- Ondansetron Odt (Ondansetron) — 164 prescription fills, including refills.
- Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) — 117 prescription fills, including refills.
- Prednisone — 69 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 20 records in the table · Guide: How to read Medicare Part D prescriber data
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Close to the middle for Medicare Part B services among clinicians listed under Nurse Practitioner in Mississippi (2024, 529 clinicians with data). Median for this group: 458. Middle half: 131 to 1,109.
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 453 in 2020 to 530 in 2024.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2020–2024.
Practice Location & Contact Primary Location
1036 D A Biglane Dr
Brookhaven, MS 396012331
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: Kings Daughters Medical Center. 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
2016
What Public CMS Data Show
Nurse Practitioner: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare patients
470 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 $47,907 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 $35,738 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
852 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
$5,265 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.
Open Payments general payments, program year 2022
All general payments: $67.34 across 4 records.
By nature of payment
- Food and Beverage: $67.34 across 4 records.
Reporting-company totals (3 largest of 4)
- BOSTON SCIENTIFIC CORPORATION: $23.71 across 1 record.
- HOLOGIC INC: $16.22 across 1 record.
- Bioventus LLC: $13.71 across 1 record.
A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.
Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2022 (published June 30, 2026).
Years since graduation
10 years (graduated 2016)
CMS Doctors and Clinicians data list 2016 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
2016
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.
Accepts Medicare assignment
CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.
With Original Medicare, you usually pay only your deductible and coinsurance, and the office sends the claim to Medicare for you.
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)
John Lambert 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 John Lambert 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 Brookhaven and Mississippi
Billing and prescribing volume is not a quality rating.
Medicare Part B services
Close to the middle for clinicians listed under Nurse Practitioner in Mississippi (2024, 529 clinicians with data). Median for this group: 458. Middle half: 131 to 1,109.
Too few clinicians listed under Nurse Practitioner in Brookhaven have Medicare Part B data for 2024 to compare.
Medicare-allowed amount
A higher Medicare-allowed amount than 70% of clinicians listed under Nurse Practitioner in Mississippi (2024, 529 clinicians with data). Median for this group: $25,004. Middle half: $9,005 to $56,746.
Too few clinicians listed under Nurse Practitioner in Brookhaven have Medicare Part B data for 2024 to compare.
Paid by Medicare
A higher Medicare payment amount than 65% of clinicians listed under Nurse Practitioner in Mississippi (2024, 529 clinicians with data). Median for this group: $18,922. Middle half: $6,727 to $42,964.
Too few clinicians listed under Nurse Practitioner in Brookhaven have Medicare Part B data for 2024 to compare.
Medicare Part D prescriptions
Close to the middle for clinicians listed under Nurse Practitioner in Mississippi (2024, 633 clinicians with data). Median for this group: 478. Middle half: 108 to 2,147.
Too few clinicians listed under Nurse Practitioner in Brookhaven have Medicare Part D data for 2024 to compare.
Part D drug cost
A lower Part D drug cost than 60% of clinicians listed under Nurse Practitioner in Mississippi (2024, 633 clinicians with data). Median for this group: $23,209. Middle half: $1,512 to $189,545.
Too few clinicians listed under Nurse Practitioner in Brookhaven have Medicare Part D data for 2024 to compare.
11 active clinicians are listed under Nurse Practitioner with a practice address in Brookhaven, MS (1,078 in Mississippi).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Brookhaven
0% of these 11 clinicians have the CMS telehealth indicator.
81.8% of these 11 clinicians are listed by CMS as accepting Medicare assignment.
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 increased 17% from 453 in 2020 to 530 in 2024.
- 2020: 453
- 2021: 527
- 2022: 641
- 2023: 410
- 2024: 530
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Medicare-allowed amount
Medicare-allowed amount increased 55% from $30,916 in 2020 to $47,907 in 2024.
- 2020: $30,916
- 2021: $44,386
- 2022: $55,381
- 2023: $36,493
- 2024: $47,907
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Paid by Medicare
Paid by Medicare increased 70% from $20,980 in 2020 to $35,738 in 2024.
- 2020: $20,980
- 2021: $31,963
- 2022: $38,606
- 2023: $24,857
- 2024: $35,738
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Medicare Part D prescriptions
Medicare Part D prescriptions increased 344% from 192 in 2020 to 852 in 2024.
- 2020: 192
- 2021: 204
- 2022: 368
- 2023: 579
- 2024: 852
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30-day fills
30-day fills increased 318% from 204 in 2020 to 852 in 2024.
- 2020: 204
- 2021: 220
- 2022: 392
- 2023: 580
- 2024: 852
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Part D drug cost
Part D drug cost increased 267% from $1,435 in 2020 to $5,265 in 2024.
- 2020: $1,435
- 2021: $1,442
- 2022: $3,706
- 2023: $3,835
- 2024: $5,265
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Industry payments (Open Payments)
Industry payments (Open Payments) went from $33.34 in 2021 to $67.34 in 2022.
- 2021: $33.34
- 2022: $67.34
Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Medicare Part D Prescribers (2024), 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 $67.34.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| BOSTON SCIENTIFIC CORPORATION |
Food and Beverage
Cash or cash equivalent
|
SpyGlass | General | $23.71 |
| HOLOGIC INC |
Food and Beverage
In-kind items and services
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AFFIRM PRONE BIOPSY SYSTEM | General | $16.22 |
| Bioventus LLC |
Food and Beverage
In-kind items and services
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SonicOne Clinic | General | $13.71 |
| Smith+Nephew, Inc. |
Food and Beverage
In-kind items and services
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COLLAGENASE SANTYL | General | $13.70 |
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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99284
Emergency department visit with moderate level of medical decision making
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360 | 325 | $693.11 | $95.43 |
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99283
Emergency department visit with low level of medical decision making
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121 | 113 | $379.97 | $55.89 |
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99285
Emergency department visit with high level of medical decision making
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49 | 47 | $1034.73 | $138.57 |
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 2024.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Ondansetron Odt | Ondansetron | 164 | 639 | $972.88 | 156 |
| Amoxicillin-Clavulanate Potass | Amoxicillin/Potassium Clav | 117 | 751 | $853.81 | 112 |
| Prednisone | Prednisone | 69 | 345 | $122.70 | 67 |
| Hydrocodone-Acetaminophen | Hydrocodone/Acetaminophen | 62 | 162 | $157.68 | 61 |
| Naproxen | Naproxen | 59 | 301 | $97.66 | 57 |
| Ciprofloxacin Hcl | Ciprofloxacin Hcl | 54 | 371 | $241.24 | 53 |
| Cyclobenzaprine Hcl | Cyclobenzaprine Hcl | 49 | 220 | $96.30 | 49 |
| Promethazine Hcl | Promethazine Hcl | 42 | 185 | $79.28 | 37 |
| Doxycycline Monohydrate | Doxycycline Monohydrate | 33 | 268 | $350.16 | 31 |
| Levofloxacin | Levofloxacin | 25 | 177 | $99.57 | 25 |
| Nitrofurantoin Mono-Macro | Nitrofurantoin Monohyd/M-Cryst | 24 | 130 | $239.55 | 22 |
| Albuterol Sulfate Hfa | Albuterol Sulfate | 24 | 465 | $603.06 | 24 |
| Tramadol Hcl | Tramadol Hcl | 23 | 78 | $22.77 | 21 |
| Metronidazole | Metronidazole | 21 | 178 | $189.62 | 21 |
| Sucralfate | Sucralfate | 21 | 314 | $833.03 | 21 |
| Famotidine | Famotidine | 16 | 480 | $64.66 | 16 |
| Mupirocin | Mupirocin | 15 | 202 | $129.93 | 11 |
| Meclizine Hcl | Meclizine Hcl | 12 | 57 | $40.21 | 11 |
| Cephalexin | Cephalexin | 11 | 94 | $36.10 | 11 |
| Sulfamethoxazole-Trimethoprim | Sulfamethoxazole/Trimethoprim | 11 | 81 | $34.50 | 11 |
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: 363L00000X
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - NURSE PRACTITIONER
I20160825000320
MS
2961797204
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
Kings Daughters Medical Center
427 Hwy 51 N, Brookhaven, MS 396012350
Phone: 6018336011
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.)
Nurse Practitioner - Acute Care
ACNPCAG
Nurse Practitioner - Family
Family Nurse Practitioner
Career & Practice History
NPI enumerated June 30, 2016.
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 Nurse Practitioners in Brookhaven
- Brenilla Vaughn, FNP
- Carol Buckels, FNP-BC
- Jennifer Smith, FNP
- Montoyae Leavy, NP
- Holly Kimbrell, CFNP
- Elizabeth Brown, MSN, RN
Mailing Address
1036 D A Biglane Dr
Brookhaven, MS 396012331
Phone: 6018351182