Dr. John Sydney Lambert, MD
- Medicare services, 2024
- 187
- Medicare patients, 2024
- 119
- Part D claims, 2024
- 278
- Hospital affiliations
- 3
- Industry payments
- $3,123
- Practice address
- 1710 Harrison St, Batesville, AR 72501
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
White River Health System - Unit
Acute Care Hospital-Unit · Batesville, Arkansas
Find Dr. Lambert's professional email, personal email and mobile number
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Dr. John Sydney Lambert is a general surgeon in Batesville, Arkansas
Dr. Lambert practices at White River Health System - Unit in Batesville, Arkansas.
Dr. Lambert's NPI, 1285614958, was assigned on January 19, 2006. Dr. Lambert graduated from University of Arkansas College of Medicine in 1981. Dr. Lambert holds Arkansas license C5073.
- NPI
- 1285614958NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810099512
- NPI enumeration date
- January 19, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Sydney Lambert practices at White River Health System - Unit in Batesville, Arkansas
Dr. Lambert's primary practice is White River Health System - Unit, at 1710 Harrison St, Batesville, AR 72501.
- White River Health System - Unit1710 Harrison St, Batesville, AR 72501
Source: Dmand AI Affiliation Data
Dr. John Sydney Lambert is affiliated with 4 sites of care and 1 medical group
Dr. Lambert's primary practice is White River Health System - Unit in Batesville, Arkansas. Dr. Lambert is also affiliated with White River Medical Center. The medical group on file is White River Health. Dmand AI also links Dr. Lambert to 1 more hospital and 1 group practice or clinic, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John Sydney Lambert's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lambert practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| White River Health System - Unit | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Sydney Lambert is one of 238 general surgeons in Arkansas
Surgery is Dr. Lambert's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Lambert is licensed in Arkansas.
Specialties and state licenses
- Surgery, ArkansasPrimary
General surgeons near Dr. Lambert
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John Sydney Lambert billed Medicare for 187 services in 2024
CMS data shows 187 Medicare services from Dr. Lambert across 7 procedure codes in 2024, for 119 Medicare patients. Medicare paid $16,315 for them.
Dr. Lambert's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3722024: 12866%
- Surgery
- 2023: 412024: 4817%
- Other services
- 2023: 192024: 1142%
Where Dr. Lambert's Medicare services took place, 2024
- In an office12868%
- In a facility5932%
Dr. Lambert compared with the Arkansas median for general surgeons, 2024
- Dr. Lambert
- Arkansas median
- Medicare services
- 187vs 24724% below
- Medicare patients
- 119vs 18034% below
- Part D claims
- 161vs 772.1 times
Medians across 246 general surgeons in Arkansas with Dmand AI profiles that report each measure.
Dr. Lambert's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lambert and other general surgeons in Arkansas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Sydney Lambert treated 119 Medicare patients in 2024, average age 71
CMS counts 119 Medicare patients who saw Dr. Lambert in 2024. The largest group is 65 to 74, with 53 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 22% are also on Medicaid. Their average risk score is 1.32, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lambert's median patient age at 66, with 56% women.
Dr. Lambert's Medicare patients by age, 2024
Dr. Lambert's Medicare patients by sex, 2024
- Women5849%
- Men6151%
Chronic conditions among Dr. Lambert's Medicare patients, 2024
- High blood pressure75%
- High cholesterol71%
- Arthritis61%
- Mood disorders40%
- Depression35%
- Chronic kidney disease34%
- Diabetes34%
- Ischemic heart disease33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lambert's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Sydney Lambert wrote 278 Medicare Part D claims in 2024
In 2024, Dr. Lambert wrote 278 Medicare Part D claims for 89 patients. 94% of them were for generic drugs. CMS names the drug for 161 of them, across 11 drugs with 11 or more claims each, at $2,171 in total drug cost. In 2023, CMS named 92 claims across 5 drugs.
Dr. Lambert's Part D claims by kind of drug, 2024
- Generic260 claims94%
- Brand-name18 claims6%
Dr. Lambert's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Lambert's Part D claims, 2024
- Opioids17%46 of 278 claims
- Antibiotics15%41 of 278 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 922024: 16175%
Drugs named by CMS: 11 in 2024, 5 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. John Sydney Lambert ranks in the 44th percentile for colonoscopy in Medicare
Dr. Lambert accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 15 procedures of colonoscopy by Dr. Lambert, more than 44% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Lambert ranks in Medicare procedure volume
- Colonoscopy
- 44th percentile15 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 43rd percentile12 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. John Sydney Lambert received $3,123 in industry payments from 2016 to 2025
CMS Open Payments shows 45 general payments to Dr. Lambert from 18 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 63% of the total. KCI USA, Inc. paid the most, $1,178.
General payments to Dr. Lambert by program year, 2016 to 2025
General payments to Dr. Lambert by kind, 2016 to 2025
- Travel and lodging$1,96063%
- Food and beverage$1,16337%
Companies that paid Dr. Lambert the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Sydney Lambert graduated from University of Arkansas College of Medicine
Dr. Lambert graduated from University of Arkansas College of Medicine in 1981.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Sydney Lambert's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John Sydney Lambert
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John Sydney Lambert's NPI number?
Dr. John Sydney Lambert's NPI number is 1285614958. It was assigned on January 19, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Sydney Lambert?
Dr. John Sydney Lambert is a general surgeon in Batesville, Arkansas. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. John Sydney Lambert practice?
Dr. Lambert practices at 1710 Harrison St, Batesville, AR 72501. Dr. Lambert's primary practice is White River Health System - Unit in Batesville, Arkansas. Dmand AI also links Dr. Lambert to 1 hospital and 1 group practice or clinic.
What is Dr. John Sydney Lambert's medical license number?
Dr. Lambert holds Arkansas license C5073.
Which hospitals is Dr. John Sydney Lambert affiliated with?
Dr. Lambert is affiliated with White River Medical Center. Dmand AI links Dr. Lambert to 2 more hospitals.
What medical group is Dr. John Sydney Lambert part of?
Dr. Lambert is linked to White River Health.
Does Dr. John Sydney Lambert accept Medicare?
Yes. CMS data shows Dr. Lambert billed Medicare for 187 services in 2024, and Dr. Lambert accepts Medicare assignment.
How many Medicare patients does Dr. John Sydney Lambert see?
CMS counts 119 Medicare patients who saw Dr. Lambert in 2024, with an average age of 71.
What services does Dr. John Sydney Lambert bill to Medicare?
In 2024, Dr. Lambert's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99203) and office visit, established patient (99214).
Where did Dr. John Sydney Lambert go to medical school?
Dr. Lambert graduated from University of Arkansas College of Medicine in 1981.
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What drugs does Dr. John Sydney Lambert prescribe most?
In 2024 Medicare Part D data, Dr. Lambert's most prescribed drugs by claims were Pantoprazole Sodium, Hydrocodone-Acetaminophen and Gabapentin.
Has Dr. John Sydney Lambert received payments from drug or device companies?
CMS Open Payments shows $3,123 in general payments to Dr. Lambert from 18 companies from 2016 to 2025. The largest total came from KCI USA, Inc.
How long has Dr. John Sydney Lambert been practicing?
Dr. Lambert graduated from medical school in 1981, 45 years ago.
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