Dr. Lamar Octavius Mack, MD

  • Visalia, CA
  • Vascular surgeon
NPI1093970535PAC ID6901046218
Medicare services, 2024
1,351
Medicare patients, 2024
357
Part D claims, 2024
227
Publications
1
Hospital affiliations
2
Practice address
400 W Mineral King Ave, Visalia, CA 93291
Practice phone
Call (559) 624-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Kaweah Health Medical Center

Hospital · Visalia, California

See all 8 affiliations

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Dr. Lamar Octavius Mack is a vascular surgeon in Visalia, California

Dr. Mack practices at Kaweah Health Medical Center in Visalia, California, part of Kaweah Delta Health Care District.

Dr. Mack's NPI, 1093970535, was assigned on July 24, 2008. Dr. Mack graduated from University of North Carolina School of Medicine in 2006. Dr. Mack holds California license A123815.

NPI and contact details
Medicare PAC ID
6901046218
NPI enumeration date
July 24, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(559) 624-2000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
46
Medical school graduation
2006

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Lamar Octavius Mack practices at Kaweah Health Medical Center in Visalia, California

Dr. Mack's primary practice is Kaweah Health Medical Center, at 400 W Mineral King Ave, Visalia, CA 93291 in Tulare County. The practice phone is (559) 624-2000.

Source: Dmand AI Affiliation Data

Dr. Lamar Octavius Mack is affiliated with 5 sites of care and 3 medical groups

Dr. Mack's primary practice is Kaweah Health Medical Center in Visalia, California, part of Kaweah Delta Health Care District. Dr. Mack is also affiliated with Adventist Health Hanford. The medical group on file is Family HealthCare Network. Dmand AI also links Dr. Mack to 2 more group practices and clinics, 2 medical groups and 1 home health agency, each named with a free account.

See all 8 affiliations for Dr. Mack

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Lamar Octavius Mack's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mack practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Kaweah Health Medical CenterAvailable with a free account
+4 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Kaweah Delta Health Care District and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Lamar Octavius Mack is one of 532 vascular surgeons in California

Vascular surgery is Dr. Mack's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Mack is board certified in vascular surgery by the American Board of Surgery. Dmand AI has Dr. Mack's licenses on file in 2 states: California and Tennessee.

Specialties and state licenses

  • Vascular surgery, CaliforniaPrimaryLicense A123815 · 2012 to 2026 · taxonomy 2086S0129X
  • Student in an organized health care education/training program, Tennessee2011 to 2013 · taxonomy 390200000X

Clinical focus

Dmand AI lists amputation, arterial blot clot /embolism, blood vessel access for dialysis, carotid revascularization, chronic skin ulcer, deep vein thrombosis (DVT), heart device and aorta surgery and leg revascularization among the conditions Dr. Mack treats.

Vascular surgeons near Dr. Mack

Counts of vascular 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. Lamar Octavius Mack billed Medicare for 1,351 services in 2024

CMS data shows 1,351 Medicare services from Dr. Mack across 20 procedure codes in 2024, for 357 Medicare patients. Medicare paid $99,595 for them.

Medicare services, 20241,351
Medicare patients357
Paid by Medicare$99,595
Procedure codes20

Dr. Mack's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 7662024: 8227%
Tests and treatments
2023: 2712024: 33323%
Imaging
2023: 1442024: 1384%
Surgery
2023: 912024: 5836%

Where Dr. Mack's Medicare services took place, 2024

  • In an office67350%
  • In a facility67850%

Dr. Mack compared with the California median for vascular surgeons, 2024

  • Dr. Mack
  • California median
Medicare services
1,351vs 6092.2 times
Medicare patients
357vs 27231% above
Part D claims
188vs 553.4 times

Medians across 499 vascular surgeons in California with Dmand AI profiles that report each measure.

Dr. Mack'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.

See all procedures by Dr. Mack

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Lamar Octavius Mack treated 357 Medicare patients in 2024, average age 74

CMS counts 357 Medicare patients who saw Dr. Mack in 2024. The largest group is 65 to 74, with 139 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 42% are also on Medicaid. Their average risk score is 3.19, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Mack's median patient age at 72, with 50% women.

Medicare patients, 2024357
Average age74
Average risk score3.19
Also on Medicaid42%

Dr. Mack's Medicare patients by age, 2024

Dr. Mack's Medicare patients by sex, 2024

  • Women17248%
  • Men18552%

Chronic conditions among Dr. Mack's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes61%
  4. Ischemic heart disease55%
  5. Chronic kidney disease52%
  6. Arthritis45%
  7. Heart failure37%
  8. Atrial fibrillation29%

Share of Medicare patients with each condition. A patient can have several.

Dr. Mack's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women50%
  • Men50%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Lamar Octavius Mack wrote 227 Medicare Part D claims in 2024

In 2024, Dr. Mack wrote 227 Medicare Part D claims for 95 patients. 77% of them were for generic drugs. CMS names the drug for 188 of them, across 5 drugs with 11 or more claims each, at $56,224 in total drug cost. In 2023, CMS named 87 claims across 3 drugs.

Part D claims, 2024227
Drugs named by CMS5
Total drug cost$56,224
Part D patients95

Dr. Mack's Part D claims by kind of drug, 2024

  • Generic175 claims77%
  • Brand-name52 claims23%

Dr. Mack'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 872024: 188116%

Drugs named by CMS: 5 in 2024, 3 in 2023.

See all prescribing by Dr. Mack

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. Lamar Octavius Mack ranks in the 95th percentile for leg revascularization (restoring blood flow) in Medicare

Dr. Mack accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 49 procedures of leg revascularization (restoring blood flow) by Dr. Mack, more than 95% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Mack ranks in Medicare procedure volume

Leg revascularization (restoring blood flow)
95th percentile49 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Lamar Octavius Mack has 1 publication on record

Dmand AI links 1 paper to Dr. Mack in 2017. Dr. Mack's most frequent co-author is Harvey Edward Garrett, MD.

Papers1

Dr. Mack's most frequent co-authors

Recent publications by Dr. Mack

See all 1 publications and co-authors

See who Dr. Mack researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mack works with, so you can find a warm path to the right vascular surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Lamar Octavius Mack received $64,170 in industry payments from 2016 to 2025

CMS Open Payments shows 333 general payments to Dr. Mack from 35 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 46% of the total. C. R. Bard, Inc. & Subsidiaries paid the most, $48,449.

General payments to Dr. Mack by program year, 2016 to 2025

General payments to Dr. Mack by kind, 2016 to 2025

$64.2Kin total
  • Consulting fees$29,69946%
  • Food and beverage$12,89720%
  • Travel and lodging$11,80318%
  • Gifts$9,77015%

Companies that paid Dr. Mack the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Mack

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Lamar Octavius Mack serves on 1 committee

Dr. Mack serves on NSQIP.

Dr. Mack's committees and leadership roles

NSQIPPhysician Champion
2018 to present

Source: Dmand AI Professional Profile Data

Dr. Lamar Octavius Mack graduated from University of North Carolina School of Medicine

Dr. Mack graduated from University of North Carolina School of Medicine in 2006. Dr. Mack is a member of AAPL, CMA and SVS.

  1. Medical schoolUniversity of North Carolina School of Medicine
  2. Board certified in vascular surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Lamar Octavius Mack accepts plans from 15 insurance carriers

Dr. Mack is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +7 more carriersWith a free account

Plan types Dr. Mack accepts, by number of carriers

  1. Medicare9
  2. PPO8
  3. HMO7
  4. POS5
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. Lamar Octavius Mack's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Lamar Octavius Mack

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. Lamar Octavius Mack's NPI number?

Dr. Lamar Octavius Mack's NPI number is 1093970535. It was assigned on July 24, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Lamar Octavius Mack?

Dr. Lamar Octavius Mack is a vascular surgeon in Visalia, California. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).

Where does Dr. Lamar Octavius Mack practice?

Dr. Mack practices at 400 W Mineral King Ave, Visalia, CA 93291. Dr. Mack's primary practice is Kaweah Health Medical Center in Visalia, California, part of Kaweah Delta Health Care District. Dmand AI also links Dr. Mack to 2 group practices and clinics, 2 medical groups and 1 home health agency.

What is Dr. Lamar Octavius Mack's office phone number?

The practice phone on file for Dr. Mack is (559) 624-2000.

What is Dr. Lamar Octavius Mack's medical license number?

Dr. Mack holds California license A123815, one of the licenses on file in 2 states.

Which states has Dr. Lamar Octavius Mack been licensed in?

Dmand AI has state licenses on file for Dr. Mack in California (2012 to 2026) and Tennessee (2011 to 2013).

Which hospitals is Dr. Lamar Octavius Mack affiliated with?

Dr. Mack practices at Kaweah Health Medical Center in Visalia, California. Dr. Mack is also affiliated with Adventist Health Hanford.

What medical group is Dr. Lamar Octavius Mack part of?

Dr. Mack is linked to Family HealthCare Network. Dmand AI links Dr. Mack to 2 more medical groups.

Does Dr. Lamar Octavius Mack accept Medicare?

Yes. CMS data shows Dr. Mack billed Medicare for 1,351 services in 2024, and Dr. Mack accepts Medicare assignment.

How many Medicare patients does Dr. Lamar Octavius Mack see?

CMS counts 357 Medicare patients who saw Dr. Mack in 2024, with an average age of 74.

Show 9 more questionsShow fewer questions

Is Dr. Lamar Octavius Mack board certified?

Yes. Dr. Mack is board certified in vascular surgery by the American Board of Surgery.

What services does Dr. Lamar Octavius Mack bill to Medicare?

In 2024, Dr. Mack's most billed Medicare services were office visit, established patient (99214), blood vessel study (93925) and office visit, established patient (99213).

Where did Dr. Lamar Octavius Mack go to medical school?

Dr. Mack graduated from University of North Carolina School of Medicine in 2006.

What drugs does Dr. Lamar Octavius Mack prescribe most?

In 2024 Medicare Part D data, Dr. Mack's most prescribed drugs by claims were Clopidogrel, Eliquis and Ibuprofen.

Has Dr. Lamar Octavius Mack received payments from drug or device companies?

CMS Open Payments shows $64,170 in general payments to Dr. Mack from 35 companies from 2016 to 2025. The largest total came from C. R. Bard, Inc. & Subsidiaries.

How long has Dr. Lamar Octavius Mack been practicing?

Dr. Mack graduated from medical school in 2006, 20 years ago.

Does Dr. Lamar Octavius Mack do research?

Dmand AI links 1 publication to Dr. Mack.

Who does Dr. Lamar Octavius Mack publish with?

Dr. Mack's most frequent co-authors are Harvey Edward Garrett, MD (1 shared paper).

What insurance does Dr. Lamar Octavius Mack accept?

Dr. Mack is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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