Dr. Stephen Kolakowski Jr., MD

  • Victorville, CA
  • Vascular surgeon
NPI1003971102PAC ID9133229461
Medicare services, 2024
99
Medicare patients, 2024
98
Part D claims, 2024
25
Hospital affiliations
3
Industry payments
$10,699
Practice address
13010 Hesperia Rd, Victorville, CA 92395
Practice phone
Call (760) 242-9262
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Choice Healthcare Associates, Inc.

Victorville, California

See all 13 affiliations

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Dr. Stephen Kolakowski Jr. is a vascular surgeon in Victorville, California

Dr. Kolakowski practices at Choice Healthcare Associates, Inc. in Victorville, California.

Dr. Kolakowski's NPI, 1003971102, was assigned on December 27, 2006. Dr. Kolakowski graduated from Ross University School of Medicine in 1999. Dr. Kolakowski holds California license C146610.

NPI and contact details
Medicare PAC ID
9133229461
NPI enumeration date
December 27, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(760) 242-9262
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Male
Estimated age
53
Medical school graduation
1999

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

Dr. Stephen Kolakowski Jr. practices at Choice Healthcare Associates, Inc. in Victorville, California

Dr. Kolakowski's primary practice is Choice Healthcare Associates, Inc., at 13010 Hesperia Rd, Victorville, CA 92395 in San Bernardino County. The practice phone is (760) 242-9262.

  • Choice Healthcare Associates, Inc.
    13010 Hesperia Rd, Victorville, CA 92395 · San Bernardino CountyPhone(760) 242-9262

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Stephen Kolakowski Jr. is affiliated with 7 sites of care and 6 medical groups

Dr. Kolakowski's primary practice is Choice Healthcare Associates, Inc. in Victorville, California. Dr. Kolakowski is also affiliated with Desert Valley Hospital. The medical group on file is Desert Valley Medical Group. Dmand AI also links Dr. Kolakowski to 2 more hospitals, 5 medical groups and 3 group practices and clinics, each named with a free account.

See all 13 affiliations for Dr. Kolakowski

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Stephen Kolakowski Jr.'s practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kolakowski practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Choice Healthcare Associates, Inc.Available with a free account
+6 more sites and 5 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Stephen Kolakowski Jr. is one of 532 vascular surgeons in California

Vascular surgery is Dr. Kolakowski's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Kolakowski is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Kolakowski's licenses on file in 3 states: California, Pennsylvania and New Jersey.

Specialties and state licenses

  • Vascular surgery, CaliforniaPrimaryLicense C146610 · 2016 to 2026 · taxonomy 2086S0129X
  • Pennsylvania license2003 to 2024
  • Surgery, New JerseyLicense 25MA08206100 · 2007 to 2017 · taxonomy 208600000X

Clinical focus

Dmand AI lists amputation, carotid revascularization, leg revascularization, peripheral vascular disease and varicose veins among the conditions Dr. Kolakowski treats.

Vascular surgeons near Dr. Kolakowski

Counts of vascular surgeons with a Dmand AI profile, by place and practice. Each opens the list.

532vascular surgeons in California
2vascular surgeons in Victorville

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Stephen Kolakowski Jr. billed Medicare for 99 services in 2024

CMS data shows 99 Medicare services from Dr. Kolakowski across 3 procedure codes in 2024, for 98 Medicare patients. Medicare paid $11,048 for them.

Medicare services, 202499
Medicare patients98
Paid by Medicare$11,048
Procedure codes3

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

  • 2023
  • 2024
Office and hospital visits
2023: 762024: 9930%
Tests and treatments
2023: 152024: 0100%

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

  • In an office8182%
  • In a facility1818%

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

  • Dr. Kolakowski
  • California median
Medicare services
99vs 60984% below
Medicare patients
98vs 27264% below
Part D claims
33vs 5540% below

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

Dr. Kolakowski'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. Kolakowski

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

Dr. Stephen Kolakowski Jr. treated 98 Medicare patients in 2024, average age 71

CMS counts 98 Medicare patients who saw Dr. Kolakowski in 2024. The largest group is 75 to 84, with 33 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 48% are also on Medicaid. Their average risk score is 3.49, 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. Kolakowski's median patient age at 68, with 52% women.

Medicare patients, 202498
Average age71
Average risk score3.49
Also on Medicaid48%

Dr. Kolakowski's Medicare patients by age, 2024

Dr. Kolakowski's Medicare patients by sex, 2024

  • Women4748%
  • Men5152%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease61%
  4. Diabetes58%
  5. Arthritis50%
  6. Heart failure39%
  7. Ischemic heart disease38%
  8. COPD32%

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

Dr. Kolakowski's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women52%
  • Men47%

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

Dr. Stephen Kolakowski Jr. wrote 25 Medicare Part D claims in 2024

In 2024, Dr. Kolakowski wrote 25 Medicare Part D claims for 15 patients. 100% of them were for generic drugs. They cover 1 drug, with $375 in total drug cost. In 2017, CMS named 45 claims across 2 drugs.

Part D claims, 202425
Drugs named by CMS1
Total drug cost$375
Part D patients15

Dr. Kolakowski's most prescribed drugs by claims, 2018

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. Kolakowski's Part D claims, 2024

  • Antibiotics52%13 of 25 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, 2017 to 2018

  • 2017
  • 2018
Claims for drugs CMS names
2017: 452018: 3327%

Drugs named by CMS: 1 in 2018, 2 in 2017.

See all prescribing by Dr. Kolakowski

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

How Dr. Stephen Kolakowski Jr. takes part in Medicare

Dr. Kolakowski accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)

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. Stephen Kolakowski Jr. received $10,699 in industry payments from 2016 to 2025

CMS Open Payments shows 99 general payments to Dr. Kolakowski from 17 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 56% of the total. LeMaitre Vascular, Inc. paid the most, $7,799.

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

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

$10.7Kin total
  • Travel and lodging$5,94556%
  • Food and beverage$2,75426%
  • Consulting fees$2,00019%

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

Share is of all general payments to this clinician.

See all payments to Dr. Kolakowski

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

Dr. Stephen Kolakowski Jr. graduated from Ross University School of Medicine

Dr. Kolakowski graduated from Ross University School of Medicine in 1999.

  1. Medical schoolRoss University School of Medicine
  2. Board certified in surgeryAmerican Board of Surgery
  3. Board certified in vascular surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Stephen Kolakowski Jr. accepts plans from 8 insurance carriers

Dr. Kolakowski is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • CMS Medicare
  • Humana

Plan types Dr. Kolakowski accepts, by number of carriers

  1. Medicare6
  2. PPO6
  3. HMO3
  4. EPO2
  5. POS2

Source: Dmand AI Insurance Network Data

Sources for Dr. Stephen Kolakowski Jr.'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Stephen Kolakowski Jr.

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. Stephen Kolakowski Jr.'s NPI number?

Dr. Stephen Kolakowski Jr.'s NPI number is 1003971102. It was assigned on December 27, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Stephen Kolakowski Jr.?

Dr. Stephen Kolakowski Jr. is a vascular surgeon in Victorville, California. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).

Where does Dr. Stephen Kolakowski Jr. practice?

Dr. Kolakowski practices at 13010 Hesperia Rd, Victorville, CA 92395. Dr. Kolakowski's primary practice is Choice Healthcare Associates, Inc. in Victorville, California. Dmand AI also links Dr. Kolakowski to 2 hospitals, 5 medical groups and 3 group practices and clinics.

What is Dr. Stephen Kolakowski Jr.'s office phone number?

The practice phone on file for Dr. Kolakowski is (760) 242-9262.

What is Dr. Stephen Kolakowski Jr.'s medical license number?

Dr. Kolakowski holds California license C146610, one of the licenses on file in 3 states.

Which states has Dr. Stephen Kolakowski Jr. been licensed in?

Dmand AI has state licenses on file for Dr. Kolakowski in California (2016 to 2026), Pennsylvania (2003 to 2024) and New Jersey (2007 to 2017).

Which hospitals is Dr. Stephen Kolakowski Jr. affiliated with?

Dr. Kolakowski is affiliated with Desert Valley Hospital. Dmand AI links Dr. Kolakowski to 2 more hospitals.

What medical group is Dr. Stephen Kolakowski Jr. part of?

Dr. Kolakowski is linked to Desert Valley Medical Group. Dmand AI links Dr. Kolakowski to 5 more medical groups.

Does Dr. Stephen Kolakowski Jr. accept Medicare?

Yes. CMS data shows Dr. Kolakowski billed Medicare for 99 services in 2024, and Dr. Kolakowski accepts Medicare assignment.

How many Medicare patients does Dr. Stephen Kolakowski Jr. see?

CMS counts 98 Medicare patients who saw Dr. Kolakowski in 2024, with an average age of 71.

Show 7 more questionsShow fewer questions

Is Dr. Stephen Kolakowski Jr. board certified?

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

What services does Dr. Stephen Kolakowski Jr. bill to Medicare?

In 2024, Dr. Kolakowski's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and hospital inpatient care (99222).

Where did Dr. Stephen Kolakowski Jr. go to medical school?

Dr. Kolakowski graduated from Ross University School of Medicine in 1999.

What drugs does Dr. Stephen Kolakowski Jr. prescribe most?

In 2018 Medicare Part D data, Dr. Kolakowski's most prescribed drugs by claims were Clopidogrel.

Has Dr. Stephen Kolakowski Jr. received payments from drug or device companies?

CMS Open Payments shows $10,699 in general payments to Dr. Kolakowski from 17 companies from 2016 to 2025. The largest total came from LeMaitre Vascular, Inc.

How long has Dr. Stephen Kolakowski Jr. been practicing?

Dr. Kolakowski graduated from medical school in 1999, 27 years ago.

What insurance does Dr. Stephen Kolakowski Jr. accept?

Dr. Kolakowski is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

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