Dr. William J. Kaiser, MD

  • Tifton, GA
  • Vascular surgeon
NPI1003883612PAC ID0941211478
Medicare services, 2024
608
Medicare patients, 2024
434
Part D claims, 2024
127
Publications
46
MIPS score, 2024
81
Practice address
901 E 18th Street, Tifton, GA 31794
Practice phone
Call (229) 382-7120
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Tift Regional Medical Center

Hospital · Tifton, Georgia

See all 12 affiliations

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Dr. William J. Kaiser is a vascular surgeon in Tifton, Georgia

Dr. Kaiser practices at Tift Regional Medical Center in Tifton, Georgia, part of Southwell.

Dr. Kaiser's NPI, 1003883612, was assigned on March 2, 2006. Dr. Kaiser graduated from New York Medical College in 1987. Dr. Kaiser's Florida license number on file is ME146721.

NPI and contact details
Medicare PAC ID
0941211478
NPI enumeration date
March 2, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(229) 382-7120
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
65
Medical school graduation
1987

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

Dr. William J. Kaiser practices at Tift Regional Medical Center in Tifton, Georgia

Dr. Kaiser's primary practice is Tift Regional Medical Center, at 901 E 18th Street, Tifton, GA 31794 in Tift County. The practice phone is (229) 382-7120.

Source: Dmand AI Affiliation Data

Dr. William J. Kaiser is affiliated with 8 sites of care and 4 medical groups

Dr. Kaiser's primary practice is Tift Regional Medical Center in Tifton, Georgia, part of Southwell. Dr. Kaiser is also affiliated with Southwell Medical. The medical group on file is Tift Regional Health System. Dmand AI also links Dr. Kaiser to 1 more hospital, 4 group practices and clinics, 3 medical groups and 1 breast imaging center, each named with a free account. Dr. Kaiser's employer is on file too: a hospital.

See all 12 affiliations for Dr. Kaiser

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

Dmand AI tracks the EHR system at Dr. William J. Kaiser's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kaiser practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Tift Regional Medical CenterAvailable with a free account
+7 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. William J. Kaiser is one of 174 vascular surgeons in Georgia

Vascular surgery is Dr. Kaiser's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Kaiser is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Kaiser's licenses on file in 4 states: Florida, Georgia, Maryland and Texas.

Specialties and state licenses

  • Vascular surgery, FloridaPrimaryLicense ME146721 · 2020 to 2025 · taxonomy 2086S0129X
  • Georgia licenseLicense 034166 · 1991 to 2025
  • Maryland license2005 to 2006
  • Texas license1999 to 2004

Clinical focus

Dmand AI lists leg revascularization and varicose vein treatment among the conditions Dr. Kaiser treats.

Vascular surgeons near Dr. Kaiser

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. William J. Kaiser billed Medicare for 608 services in 2024

CMS data shows 608 Medicare services from Dr. Kaiser across 12 procedure codes in 2024, for 434 Medicare patients. Medicare paid $37,224 for them.

Medicare services, 2024608
Medicare patients434
Paid by Medicare$37,224
Procedure codes12

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

  • 2023
  • 2024
Tests and treatments
2023: 4082024: 29428%
Office and hospital visits
2023: 2872024: 2911%
Imaging
2023: 302024: 2323%
Other services
2023: 1,2902024: 0100%
Surgery
2023: 112024: 0100%

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

  • In an office43071%
  • In a facility17829%

Dr. Kaiser compared with the Georgia median for vascular surgeons, 2024

  • Dr. Kaiser
  • Georgia median
Medicare services
608vs 77622% below
Medicare patients
434vs 3979% above
Part D claims
75vs 15752% below

Medians across 169 vascular surgeons in Georgia with Dmand AI profiles that report each measure.

Dr. Kaiser'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. Kaiser

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kaiser and other vascular surgeons in Georgia.

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

Dr. William J. Kaiser treated 434 Medicare patients in 2024, average age 75

CMS counts 434 Medicare patients who saw Dr. Kaiser in 2024. The largest group is 75 to 84, with 183 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 2.09, 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. Kaiser's median patient age at 72, with 51% women.

Medicare patients, 2024434
Average age75
Average risk score2.09
Also on Medicaid23%

Dr. Kaiser's Medicare patients by age, 2024

Dr. Kaiser's Medicare patients by sex, 2024

  • Women22752%
  • Men20748%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis61%
  4. Ischemic heart disease50%
  5. Diabetes47%
  6. Chronic kidney disease40%
  7. Heart failure34%
  8. Atrial fibrillation30%

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

Dr. Kaiser'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

  • Women51%
  • Men48%

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

Dr. William J. Kaiser wrote 127 Medicare Part D claims in 2024

In 2024, Dr. Kaiser wrote 127 Medicare Part D claims for 66 patients. 90% of them were for generic drugs. CMS names the drug for 75 of them, across 3 drugs with 11 or more claims each, at $519 in total drug cost. In 2023, CMS named 59 claims across 3 drugs.

Part D claims, 2024127
Drugs named by CMS3
Total drug cost$519
Part D patients66

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

  • Generic114 claims90%
  • Brand-name13 claims10%

Dr. Kaiser'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. Kaiser's Part D claims, 2024

  • Opioids39%50 of 127 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: 592024: 7527%

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

See all prescribing by Dr. Kaiser

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. William J. Kaiser scored 81 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Kaiser for performance year 2024, reported as part of a group. Dr. Kaiser accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 18 procedures of leg revascularization (restoring blood flow) by Dr. Kaiser, more than 77% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Kaiser's MIPS scores, performance year 2024

  • 81of 100Final score
  • 57.9of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 76of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Kaiser ranks in Medicare procedure volume

Leg revascularization (restoring blood flow)
77th percentile18 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)

Spinal fusion: 1 to 10 procedures (CMS shows small counts as a range)

Varicose vein removal: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

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Dr. William J. Kaiser has 46 publications on record

Dmand AI links 46 papers to Dr. Kaiser, published from 2007 to 2020. 2014 was the busiest year, with 5. The most frequent topics are Apoptosis, Receptor-Interacting Protein Serine-Threonine Kinases and Mice, Inbred C57BL. Dr. Kaiser has published most often in Proc Natl Acad Sci U S A. Dr. Kaiser's most frequent co-authors are Warren Le Eric Alexander, MD, John D. Altman, MD and Todd P. Belott, MD.

Papers46
Years published2007 to 2020

Dr. Kaiser's papers by year, 2011 to 2020

Topics Dr. Kaiser writes about most

  • Apoptosis
  • Receptor-Interacting Protein Serine-Threonine Kinases
  • Mice, Inbred C57BL
  • Caspase 8
  • Mice, Knockout
  • Necrosis
  • Cell Line
  • RNA-Binding Proteins

Dr. Kaiser's most frequent co-authors

Recent publications by Dr. Kaiser

See all 46 publications and co-authors

See who Dr. Kaiser researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kaiser 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. William J. Kaiser received $12,425 in industry payments from 2016 to 2025

CMS Open Payments shows 369 general payments to Dr. Kaiser from 47 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 78% of the total. Penumbra, Inc. paid the most, $2,968.

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

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

$12.4Kin total
  • Food and beverage$9,67478%
  • Travel and lodging$2,75122%

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

Share is of all general payments to this clinician.

See all payments to Dr. Kaiser

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

Dr. William J. Kaiser has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Kaiser, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Kaiser

  1. 2013
    • CMS Stage 1 EHR
  2. Undated
    • ACS Fellow

Source: Dmand AI Professional Profile Data

Dr. William J. Kaiser graduated from New York Medical College

Dr. Kaiser graduated from New York Medical College in 1987. Dr. Kaiser is a member of ACS and SVS.

  1. Medical schoolNew York Medical College
  2. Board certified in surgeryAmerican Board of Surgery
  3. Board certified in vascular surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. William J. Kaiser accepts plans from 13 insurance carriers

Dr. Kaiser is in network with 13 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Cigna. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

Plan types Dr. Kaiser accepts, by number of carriers

  1. Medicare9
  2. PPO8
  3. HMO5
  4. EPO2
  5. POS2
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. William J. Kaiser'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)Clinician Public Reporting: Overall MIPS Performance (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. William J. Kaiser

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. William J. Kaiser's NPI number?

Dr. William J. Kaiser's NPI number is 1003883612. It was assigned on March 2, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. William J. Kaiser?

Dr. William J. Kaiser is a vascular surgeon in Tifton, Georgia. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).

Where does Dr. William J. Kaiser practice?

Dr. Kaiser practices at 901 E 18th Street, Tifton, GA 31794. Dr. Kaiser's primary practice is Tift Regional Medical Center in Tifton, Georgia, part of Southwell. Dmand AI also links Dr. Kaiser to 1 hospital, 4 group practices and clinics, 3 medical groups and 1 breast imaging center.

What is Dr. William J. Kaiser's office phone number?

The practice phone on file for Dr. Kaiser is (229) 382-7120.

What is Dr. William J. Kaiser's medical license number?

Dr. Kaiser's Florida license number on file is ME146721, one of the licenses on file in 4 states.

Which states has Dr. William J. Kaiser been licensed in?

Dmand AI has state licenses on file for Dr. Kaiser in Florida (2020 to 2025), Georgia (1991 to 2025), Maryland (2005 to 2006) and Texas (1999 to 2004).

Which hospitals is Dr. William J. Kaiser affiliated with?

Dr. Kaiser practices at Tift Regional Medical Center in Tifton, Georgia. Dr. Kaiser is also affiliated with Southwell Medical. Dmand AI links Dr. Kaiser to 1 more hospital.

What medical group is Dr. William J. Kaiser part of?

Dr. Kaiser is linked to Tift Regional Health System. Dmand AI links Dr. Kaiser to 3 more medical groups.

Does Dr. William J. Kaiser accept Medicare?

Yes. CMS data shows Dr. Kaiser billed Medicare for 608 services in 2024, and Dr. Kaiser accepts Medicare assignment.

What is Dr. William J. Kaiser's MIPS score?

Dr. Kaiser's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. William J. Kaiser see?

CMS counts 434 Medicare patients who saw Dr. Kaiser in 2024, with an average age of 75.

Is Dr. William J. Kaiser board certified?

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

What services does Dr. William J. Kaiser bill to Medicare?

In 2024, Dr. Kaiser's most billed Medicare services were office visit, established patient (99213), blood vessel study (93978) and blood vessel study (93880).

Where did Dr. William J. Kaiser go to medical school?

Dr. Kaiser graduated from New York Medical College in 1987.

What drugs does Dr. William J. Kaiser prescribe most?

In 2024 Medicare Part D data, Dr. Kaiser's most prescribed drugs by claims were Oxycodone-Acetaminophen, Clopidogrel and Atorvastatin Calcium.

Has Dr. William J. Kaiser received payments from drug or device companies?

CMS Open Payments shows $12,425 in general payments to Dr. Kaiser from 47 companies from 2016 to 2025. The largest total came from Penumbra, Inc.

How long has Dr. William J. Kaiser been practicing?

Dr. Kaiser graduated from medical school in 1987, 39 years ago.

Does Dr. William J. Kaiser do research?

Dmand AI links 46 publications to Dr. Kaiser, published from 2007 to 2020.

Who does Dr. William J. Kaiser publish with?

Dr. Kaiser's most frequent co-authors are Warren Le Eric Alexander, MD (1 shared paper), John D. Altman, MD (1 shared paper) and Todd P. Belott, MD (1 shared paper).

What insurance does Dr. William J. Kaiser accept?

Dr. Kaiser is in network with 13 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Cigna. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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