John Lambert, NP
NPI 1568813558 · Nurse Practitioner · Brookhaven, MS
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Lambert, NP is a Nurse Practitioner provider in Brookhaven, MS (NPI 1568813558).
Provider details
- NPI number
- 1568813558
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Male
- Sole proprietor
- No
- License
- 901614 (MS)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
530 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 360 | $95 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 121 | $56 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 49 | $139 |
Typical Medicare-allowed amounts for these services range $56–$139 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 164 | 156 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 117 | 112 |
| Prednisone | 69 | 67 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 62 | 61 |
| Naproxen | 59 | 57 |
| Ciprofloxacin Hcl | 54 | 53 |
| Cyclobenzaprine Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-06-30
- Last updated
- 2016-07-25
Frequently asked questions
- What is John Lambert's NPI number?
- John Lambert's National Provider Identifier (NPI) is 1568813558, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Lambert's specialty?
- John Lambert is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Lambert located?
- John Lambert's practice location on file with NPPES is 1036 D a Biglane Dr, Brookhaven, MS 39601-2331.
- What is John Lambert's phone number?
- The practice phone number listed in the NPPES registry for John Lambert is (601) 835-1182.
- Does John Lambert accept Medicare?
- John Lambert is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Lambert's NPI active?
- Yes — John Lambert's NPI (1568813558) is active in the NPPES registry as of the last update on 2016-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.