Dr. Hernan Antonio Bazan, MD

  • Santa Rosa, CA
  • Vascular surgeon
NPI1073714358PAC ID9638261407
Medicare services, 2024
299
Medicare patients, 2024
198
Part D claims, 2024
241
Publications
54
Clinical trials
3
Practice address
3883 Airway Dr. Ste 100, Santa Rosa, CA 95403
Practice phone
Call (707) 521-4480
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

3883 Airway Drive Imaging

Mammography / Breast Imaging Center · Santa Rosa, California

See all 6 affiliations

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Dr. Hernan Antonio Bazan is a vascular surgeon in Santa Rosa, California

Dr. Bazan practices at 3883 Airway Drive Imaging in Santa Rosa, California.

Dr. Bazan's NPI, 1073714358, was assigned on May 31, 2007. Dr. Bazan graduated from Georgetown University School Of Medicine in 2000. Dr. Bazan holds Louisiana license 201525.

NPI and contact details
Medicare PAC ID
9638261407
NPI enumeration date
May 31, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(707) 521-4480
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
52
Medical school graduation
2000

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

Dr. Hernan Antonio Bazan practices at 3883 Airway Drive Imaging in Santa Rosa, California

Dr. Bazan's primary practice is 3883 Airway Drive Imaging, at 3883 Airway Dr. Ste 100, Santa Rosa, CA 95403. The practice phone is (707) 521-4480.

  • 3883 Airway Drive Imaging
    3883 Airway Dr. Ste 100, Santa Rosa, CA 95403Phone(707) 521-4480

Source: Dmand AI Affiliation Data

Dr. Hernan Antonio Bazan is affiliated with 4 sites of care and 2 medical groups

Dr. Bazan's primary practice is 3883 Airway Drive Imaging in Santa Rosa, California. Dr. Bazan is also affiliated with California Pacific Medical Center Van Ness Campus. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Bazan to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account. Dr. Bazan's employer is on file too: a breast imaging center.

See all 6 affiliations for Dr. Bazan

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

Dmand AI tracks the EHR system at Dr. Hernan Antonio Bazan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bazan practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
3883 Airway Drive ImagingAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Hernan Antonio Bazan is one of 532 vascular surgeons in California

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

Specialties and state licenses

  • Vascular surgery, LouisianaPrimaryLicense 201525 · 2007 to 2026 · taxonomy 2086S0129X
  • Connecticut licenseLicense 044485 · 2006 to 2008

Clinical focus

Dmand AI lists blood vessel access for dialysis, carotid revascularization, chronic skin ulcer, heart device and aorta surgery, leg revascularization, peripheral vascular disease, varicose veins and varicose vein treatment among the conditions Dr. Bazan treats.

Vascular surgeons near Dr. Bazan

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

532vascular surgeons in California
2vascular surgeons in Santa Rosa

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

Dr. Hernan Antonio Bazan billed Medicare for 299 services in 2024

CMS data shows 299 Medicare services from Dr. Bazan across 9 procedure codes in 2024, for 198 Medicare patients. Medicare paid $16,486 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024299
Medicare patients198
Paid by Medicare$16,486
Procedure codes9

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

  • 2023
  • 2024
Office and hospital visits
2023: 1822024: 1782%
Tests and treatments
2023: 1752024: 12131%
Surgery
2023: 162024: 0100%

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

  • Dr. Bazan
  • California median
Medicare services
299vs 60951% below
Medicare patients
198vs 27227% below
Part D claims
198vs 553.6 times

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

Dr. Bazan'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. Bazan

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

Dr. Hernan Antonio Bazan treated 198 Medicare patients in 2024, average age 71

CMS counts 198 Medicare patients who saw Dr. Bazan in 2024. The largest group is 65 to 74, with 80 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 3.11, 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. Bazan's median patient age at 67, with 42% women.

Medicare patients, 2024198
Average age71
Average risk score3.11
Also on Medicaid22%

Dr. Bazan's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Bazan's Medicare patients by sex, 2024

  • Women8643%
  • Men11257%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease53%
  4. Ischemic heart disease45%
  5. Diabetes44%
  6. Arthritis42%
  7. Heart failure33%
  8. Mood disorders32%

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

Dr. Bazan's patients across all payers

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

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women42%
  • Men53%

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

Dr. Hernan Antonio Bazan wrote 241 Medicare Part D claims in 2024

In 2024, Dr. Bazan wrote 241 Medicare Part D claims for 85 patients. 94% of them were for generic drugs. CMS names the drug for 198 of them, across 4 drugs with 11 or more claims each, at $8,386 in total drug cost. In 2023, CMS named 150 claims across 3 drugs.

Part D claims, 2024241
Drugs named by CMS4
Total drug cost$8,386
Part D patients85

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

  • Generic226 claims94%
  • Brand-name15 claims6%

Dr. Bazan'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: 1502024: 19832%

Drugs named by CMS: 4 in 2024, 3 in 2023.

See all prescribing by Dr. Bazan

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. Hernan Antonio Bazan takes part in Medicare

Dr. Bazan 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)

Spinal fusion: 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. Hernan Antonio Bazan has 54 publications on record

Dmand AI links 54 papers to Dr. Bazan, published from 2008 to 2025. 2015 was the busiest year, with 7. The most frequent topics are Endarterectomy, Carotid, Stents and Carotid Stenosis. Dr. Bazan has published most often in J Vasc Surg. Dr. Bazan's most frequent co-authors are Waldemar C. Sternbergh, MD, Taylor Andrew Smith, MD and Clayton Joseph Brinster, MD.

Papers54
Years published2008 to 2025

Dr. Bazan's papers by year, 2015 to 2025

Topics Dr. Bazan writes about most

  • Endarterectomy, Carotid
  • Stents
  • Carotid Stenosis
  • Endovascular Procedures
  • Stroke
  • Constriction, Pathologic
  • Radiography
  • Vascular Patency

Dr. Bazan's most frequent co-authors

Recent publications by Dr. Bazan

See all 54 publications and co-authors

See who Dr. Bazan researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Bazan 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. Hernan Antonio Bazan has worked on 3 clinical trials

Dmand AI links Dr. Bazan to 3 clinical trials. 2 are still active or recruiting. Conditions studied include Carotid Artery Diseases, Carotid Stenosis and Gangrene.

Conditions in Dr. Bazan's trials

  • Carotid Artery Diseases
  • Carotid Stenosis
  • Gangrene
  • Cerebrovascular Disorders
  • Chronic Limb-Threatening Ischemia

Investigators on the most trials with Dr. Bazan

Recent clinical trials with Dr. Bazan

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Hernan Antonio Bazan received $14,318 in industry payments from 2016 to 2025

CMS Open Payments shows 134 general payments to Dr. Bazan from 24 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 67% of the total. W. L. Gore & Associates, Inc. paid the most, $5,734.

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

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

$14.3Kin total
  • Food and beverage$9,56067%
  • Speaker and faculty fees$3,20022%
  • Consulting fees$1,2008%
  • Travel and lodging$3582%

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

Share is of all general payments to this clinician.

See all payments to Dr. Bazan

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

Dr. Hernan Antonio Bazan has 5 awards and honors on record

Dmand AI lists 5 awards for Dr. Bazan, most recently Top Doctor in Vascular Surgery in 2024.

Awards and honors for Dr. Bazan

  1. 2024
    • Top Doctor in Vascular Surgery
    • Trailblazer Award
  2. 2020
    • Distinguished Fellow
  3. 2013
    • CMS Stage 1 EHR
  4. Undated
    • ACS Fellow

Source: Dmand AI Professional Profile Data

Dr. Hernan Antonio Bazan graduated from Georgetown University School Of Medicine

Dr. Bazan graduated from Georgetown University School Of Medicine in 2000. Dr. Bazan is a member of AOA, ACS, BIO, SVS, SAVS and Yale Surgical Society.

  1. Medical schoolGeorgetown University School Of Medicine
  2. Board certified in vascular surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Hernan Antonio Bazan accepts plans from 12 insurance carriers

Dr. Bazan is in network with 12 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Elevance
  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • Arkansas Blue Cross and Blue Shield
  • +4 more carriersWith a free account

Plan types Dr. Bazan accepts, by number of carriers

  1. Medicare8
  2. PPO8
  3. POS6
  4. HMO4
  5. EPO3
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Hernan Antonio Bazan'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
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
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. Hernan Antonio Bazan

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. Hernan Antonio Bazan's NPI number?

Dr. Hernan Antonio Bazan's NPI number is 1073714358. It was assigned on May 31, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Hernan Antonio Bazan?

Dr. Hernan Antonio Bazan is a vascular surgeon in Santa Rosa, California. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).

Where does Dr. Hernan Antonio Bazan practice?

Dr. Bazan practices at 3883 Airway Dr. Ste 100, Santa Rosa, CA 95403. Dr. Bazan's primary practice is 3883 Airway Drive Imaging in Santa Rosa, California. Dmand AI also links Dr. Bazan to 1 hospital, 1 group practice or clinic and 1 medical group.

What is Dr. Hernan Antonio Bazan's office phone number?

The practice phone on file for Dr. Bazan is (707) 521-4480.

What is Dr. Hernan Antonio Bazan's medical license number?

Dr. Bazan holds Louisiana license 201525, one of the licenses on file in 2 states.

Which states has Dr. Hernan Antonio Bazan been licensed in?

Dmand AI has state licenses on file for Dr. Bazan in Louisiana (2007 to 2026) and Connecticut (2006 to 2008).

Which hospitals is Dr. Hernan Antonio Bazan affiliated with?

Dr. Bazan is affiliated with California Pacific Medical Center Van Ness Campus. Dmand AI links Dr. Bazan to 1 more hospital.

What medical group is Dr. Hernan Antonio Bazan part of?

Dr. Bazan is linked to Palo Alto Foundation Medical Group. Dmand AI links Dr. Bazan to 1 more medical group.

Does Dr. Hernan Antonio Bazan accept Medicare?

Yes. CMS data shows Dr. Bazan billed Medicare for 299 services in 2024, and Dr. Bazan accepts Medicare assignment.

How many Medicare patients does Dr. Hernan Antonio Bazan see?

CMS counts 198 Medicare patients who saw Dr. Bazan in 2024, with an average age of 71.

Show 9 more questionsShow fewer questions

Is Dr. Hernan Antonio Bazan board certified?

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

What services does Dr. Hernan Antonio Bazan bill to Medicare?

In 2024, Dr. Bazan's most billed Medicare services were office visit, established patient (99214), blood vessel study (93880) and office visit, new patient (99204).

Where did Dr. Hernan Antonio Bazan go to medical school?

Dr. Bazan graduated from Georgetown University School Of Medicine in 2000.

What drugs does Dr. Hernan Antonio Bazan prescribe most?

In 2024 Medicare Part D data, Dr. Bazan's most prescribed drugs by claims were Clopidogrel, Cilostazol and Warfarin Sodium.

Has Dr. Hernan Antonio Bazan received payments from drug or device companies?

CMS Open Payments shows $14,318 in general payments to Dr. Bazan from 24 companies from 2016 to 2025. The largest total came from W. L. Gore & Associates, Inc.

How long has Dr. Hernan Antonio Bazan been practicing?

Dr. Bazan graduated from medical school in 2000, 26 years ago.

Does Dr. Hernan Antonio Bazan do research?

Dmand AI links 54 publications to Dr. Bazan, published from 2008 to 2025. Dr. Bazan has worked on 3 clinical trials.

Who does Dr. Hernan Antonio Bazan publish with?

Dr. Bazan's most frequent co-authors are Waldemar C. Sternbergh, MD (14 shared papers), Taylor Andrew Smith, MD (10 shared papers) and Clayton Joseph Brinster, MD (4 shared papers).

What insurance does Dr. Hernan Antonio Bazan accept?

Dr. Bazan is in network with 12 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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