Lamar Octavius Mack, MD
Vascular Surgery Physician · Visalia, CA
Lamar Octavius Mack, MD is a vascular surgery physician with a practice address in Visalia, California, and NPI 1093970535, issued on Jul 24, 2008. Check the license (California A123815, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lamar Octavius Mack
- Credential
- MD
- Primary taxonomy
- Vascular Surgery Physician 2086S0129X
- License number
- A123815 CA
Self-reported in NPPES; status is on the state search - Practice location
- 820 S Akers St, Visalia, CA 93277
- Phone
- (559) 625-4118
- Enumerated
- Jul 24, 2008
- Record last updated
- Feb 11, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (559) 625-6004
- Medicare enrollment
- Enrolled (PECOS I20130710000550); accepts Medicare assignment
- Medical or professional school
- University Of North Carolina At Chapel Hill School Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest vascular surgery physician records → All 580 in California → Look up another NPI →
Also registered at 820 S Akers St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Omar Araim, M.D.Vascular Surgery Physician1548474570
- Seth Criner, D.O.Orthopaedic Surgery Physician1972824100
- Kazi Rahman, DPMFoot & Ankle Surgery Podiatrist1801222732
- Michael Rodriguez, PA-CPhysician Assistant1265801971
- Scott Wasem, P.A.-CSurgical Physician Assistant1699838615
Verify Lamar Octavius Mack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A123815Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average vascular surgery physician in 2024
227 Medicare Part D claims for 95 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Clopidogrel94 claims
- Eliquis36 claims
- Ibuprofen25 claims
- Atorvastatin Calcium20 claims
- Xarelto13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $16,011.91
41 payments; by number, the most common kind was food and beverage; the largest payer was Bard Peripheral Vascular, Inc. The 4,059 providers of this specialty with any payment received $6,178.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Kaweah Delta Health Care DistrictVisalia, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lamar Octavius Mack among 580 vascular surgery physician records in California
Lamar Octavius Mack, MD is one of 580 vascular surgery physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 60% of them.
- NPI issued2008 · 60% of these records are older, 34% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2006 · median 2003 among the 411 with a school on file
- Record last updated2021 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Surgery Physician providers in California
There are 580 vascular surgery physician records in California.
All 580 in California → Every provider in Visalia → Vascular Surgery Physician nationwide →
The 8 vascular surgery physician records with the nearest ZIP codes
- Omar Araim, M.D.Visalia, CA 932771548474570
- Matthew Campbell, MDVisalia, CA 932771083735070
- Abdulrahman Hamdi, M.D.Visalia, CA 932771285945196
- Alexander Nguyen, M.D.Visalia, CA 932771730406729
- Edward Samourjian, M.D.Visalia, CA 932771184885873
- Javier Miro, M.D.Bakersfield, CA 933011265438337
- Santiago Zamudio, M.D.Bakersfield, CA 933061255437901
- Hao BuiBakersfield, CA 933121649493750
Common questions
What is Lamar Octavius Mack, MD's NPI number?
Lamar Octavius Mack, MD's National Provider Identifier (NPI) is 1093970535, issued on Jul 24, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Lamar Octavius Mack, MD located?
The NPPES record lists a practice address at 820 S Akers St, Visalia, CA, 93277. Phone: (559) 625-4118. Providers update this record themselves, so call before visiting.
How can I verify Lamar Octavius Mack, MD's license?
NPPES lists California license number A123815, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lamar Octavius Mack, MD prescribe under Medicare Part D?
In 2024, Lamar Octavius Mack, MD had 227 Medicare Part D claims for 95 beneficiaries; the average among vascular surgery physician prescribers was 201. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.