Dr. Kenzo Hirose, MD

  • San Francisco, CA
  • General surgeon
NPI1003923772PAC ID6103892484
Medicare services, 2024
23
Medicare patients, 2024
59
Part D claims, 2023
14
Publications
101
MIPS score, 2024
98
Practice address
505 Parnassus Ave, Box 0296, San Francisco, CA 94143
Practice phone
Call (415) 353-2733
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UCSF Helen Diller Medical Center at Parnassus Heights

Hospital · San Francisco, California

See all 6 affiliations

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Dr. Kenzo Hirose is a general surgeon in San Francisco, California

Dr. Hirose practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.

Dr. Hirose's NPI, 1003923772, was assigned on August 25, 2006. Dr. Hirose graduated from Harvard Medical School in 1999. Dr. Hirose's Maryland license number on file is D67979.

NPI and contact details
Medicare PAC ID
6103892484
NPI enumeration date
August 25, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(415) 353-2733
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
53
Medical school graduation
1999

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

Dr. Kenzo Hirose practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California

Dr. Hirose's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights, at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143 in San Francisco County. The practice phone is (415) 353-2733.

Source: Dmand AI Affiliation Data

Dr. Kenzo Hirose is affiliated with 2 sites of care and 4 medical groups

Dr. Hirose's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dr. Hirose is also affiliated with The Johns Hopkins Hospital. The medical group on file is UCSF Pediatrics. Dmand AI also links Dr. Hirose to 3 more medical groups, each named with a free account.

See all 6 affiliations for Dr. Hirose

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

Dmand AI tracks the EHR system at Dr. Kenzo Hirose's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hirose practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UCSF Helen Diller Medical Center at Parnassus HeightsAvailable with a free account
+1 more site and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Kenzo Hirose is one of 2,926 general surgeons in California

Surgery is Dr. Hirose's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Hirose is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Hirose's licenses on file in 3 states: Maryland, California and Ohio.

Specialties and state licenses

  • Surgery, MarylandPrimaryLicense D67979 · 2008 to 2016 · taxonomy 208600000X
  • California license2001 to 2026
  • Ohio licenseLicense 35087884 · 2006 to 2008

Clinical focus

Dmand AI lists colon removal, esophagus, stomach, or upper small intestine surgery and gallbladder removal among the conditions Dr. Hirose treats.

General surgeons near Dr. Hirose

Counts of general 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. Kenzo Hirose billed Medicare for 23 services in 2024

CMS data shows 23 Medicare services from Dr. Hirose across 2 procedure codes in 2024, all of them office visits, for 59 Medicare patients. Medicare paid $2,523 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202423
Medicare patients59
Paid by Medicare$2,523
Procedure codes2

Dr. Hirose's Medicare services by type, 2020 to 2024

  • 2020
  • 2024
Office and hospital visits
2020: 432024: 2347%

Dr. Hirose compared with the California median for general surgeons, 2024

  • Dr. Hirose
  • California median
Medicare services
23vs 16686% below
Medicare patients
59vs 12151% below
Part D claims
14vs 3459% below

Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.

Dr. Hirose'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. Hirose

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

Dr. Kenzo Hirose treated 59 Medicare patients in 2024, average age 73

CMS counts 59 Medicare patients who saw Dr. Hirose in 2024. The largest group is 65 to 74, with 34 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.93, 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. Hirose's median patient age at 68, with 49% women.

Medicare patients, 202459
Average age73
Average risk score1.93
Also on Medicaid24%

Dr. Hirose's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Hirose's Medicare patients by sex, 2024

  • Women2542%
  • Men3458%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes49%
  4. Mood disorders36%
  5. Arthritis34%
  6. Depression34%
  7. Anxiety32%
  8. Chronic kidney disease32%

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

Dr. Hirose'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

  • Women49%
  • Men47%

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

Dr. Kenzo Hirose wrote 14 Medicare Part D claims in 2023

In 2023, Dr. Hirose wrote 14 Medicare Part D claims. They cover 1 drug, with $290 in total drug cost. In 2019, CMS named 23 claims across 2 drugs.

Part D claims, 202314
Drugs named by CMS1
Total drug cost$290

Dr. Hirose's most prescribed drugs by claims, 2023

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, 2019 to 2023

  • 2019
  • 2023
Claims for drugs CMS names
2019: 232023: 1439%

Drugs named by CMS: 1 in 2023, 2 in 2019.

See all prescribing by Dr. Hirose

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

Dr. Kenzo Hirose scored 98 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Dr. Hirose for performance year 2024, reported as part of a group. Dr. Hirose accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hirose as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Hirose's MIPS scores, performance year 2024

  • 98of 100Final score
  • 92.7of 100Quality
  • 40of 100Improvement Activities
  • 72of 100Cost

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

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

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Dr. Kenzo Hirose has 101 publications on record

Dmand AI links 101 papers to Dr. Hirose, published from 2008 to 2025. 2015 was the busiest year, with 7. The most frequent topics are Hepatectomy, Pancreatic Neoplasms and Liver Neoplasms. Dr. Hirose has published most often in J Gastrointest Surg. Dr. Hirose's most frequent co-authors are Carlos Uriel Corvera, MD, Eric Kaoru Nakakura, MD and John L. Cameron, MD.

Papers101
Years published2008 to 2025

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

Topics Dr. Hirose writes about most

  • Hepatectomy
  • Pancreatic Neoplasms
  • Liver Neoplasms
  • Pancreatectomy
  • Postoperative Complications
  • Length of Stay
  • Laparoscopy
  • Pancreatitis, Chronic

Dr. Hirose's most frequent co-authors

Recent publications by Dr. Hirose

See all 101 publications and co-authors

See who Dr. Hirose researches with

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

How network discovery works

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

Dr. Kenzo Hirose received $2,117 in industry payments from 2019 to 2025

CMS Open Payments shows 10 general payments to Dr. Hirose from 4 drug and device companies from 2019 to 2025. Travel and lodging make up the largest share, 63% of the total. Intuitive Surgical, Inc. paid the most, $1,544.

General payments to Dr. Hirose by program year, 2019 to 2025

General payments to Dr. Hirose by kind, 2019 to 2025

$2.1Kin total
  • Travel and lodging$1,32463%
  • Food and beverage$79337%

Companies that paid Dr. Hirose the most, 2019 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Hirose

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

Dr. Kenzo Hirose has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Hirose, most recently CMS Stage 1 EHR in 2014.

Awards and honors for Dr. Hirose

  1. 2014
    • CMS Stage 1 EHR
  2. 2013
    • ACS Fellow

Source: Dmand AI Professional Profile Data

Dr. Kenzo Hirose graduated from Harvard Medical School

Dr. Hirose graduated from Harvard Medical School in 1999. Dr. Hirose is a member of ACS.

  1. Medical schoolHarvard Medical School
  2. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Kenzo Hirose accepts plans from 8 insurance carriers

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

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare

Plan types Dr. Hirose accepts, by number of carriers

  1. Medicare6
  2. PPO6
  3. POS4
  4. EPO3
  5. HMO3

Source: Dmand AI Insurance Network Data

Sources for Dr. Kenzo Hirose'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)
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)
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. Kenzo Hirose

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. Kenzo Hirose's NPI number?

Dr. Kenzo Hirose's NPI number is 1003923772. It was assigned on August 25, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Kenzo Hirose?

Dr. Kenzo Hirose is a general surgeon in San Francisco, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Kenzo Hirose practice?

Dr. Hirose practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Dr. Hirose's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dmand AI also links Dr. Hirose to 3 medical groups.

What is Dr. Kenzo Hirose's office phone number?

The practice phone on file for Dr. Hirose is (415) 353-2733.

What is Dr. Kenzo Hirose's medical license number?

Dr. Hirose's Maryland license number on file is D67979, one of the licenses on file in 3 states.

Which states has Dr. Kenzo Hirose been licensed in?

Dmand AI has state licenses on file for Dr. Hirose in Maryland (2008 to 2016), California (2001 to 2026) and Ohio (2006 to 2008).

Which hospitals is Dr. Kenzo Hirose affiliated with?

Dr. Hirose practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California. Dr. Hirose is also affiliated with The Johns Hopkins Hospital.

What medical group is Dr. Kenzo Hirose part of?

Dr. Hirose is linked to UCSF Pediatrics. Dmand AI links Dr. Hirose to 3 more medical groups.

Does Dr. Kenzo Hirose accept Medicare?

Yes. CMS data shows Dr. Hirose billed Medicare for 23 services in 2024, and Dr. Hirose accepts Medicare assignment.

Does Dr. Kenzo Hirose offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Hirose as offering telehealth services.

Show 11 more questionsShow fewer questions

What is Dr. Kenzo Hirose's MIPS score?

Dr. Hirose's MIPS final score for performance year 2024 is 98 out of 100, reported as part of a group.

How many Medicare patients does Dr. Kenzo Hirose see?

CMS counts 59 Medicare patients who saw Dr. Hirose in 2024, with an average age of 73.

Is Dr. Kenzo Hirose board certified?

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

What services does Dr. Kenzo Hirose bill to Medicare?

In 2024, Dr. Hirose's most billed Medicare services were office visit, established patient (99215) and office visit, established patient (99214).

Where did Dr. Kenzo Hirose go to medical school?

Dr. Hirose graduated from Harvard Medical School in 1999.

What drugs does Dr. Kenzo Hirose prescribe most?

In 2023 Medicare Part D data, Dr. Hirose's most prescribed drugs by claims were Lactated Ringers.

Has Dr. Kenzo Hirose received payments from drug or device companies?

CMS Open Payments shows $2,117 in general payments to Dr. Hirose from 4 companies from 2019 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Kenzo Hirose been practicing?

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

Does Dr. Kenzo Hirose do research?

Dmand AI links 101 publications to Dr. Hirose, published from 2008 to 2025.

Who does Dr. Kenzo Hirose publish with?

Dr. Hirose's most frequent co-authors are Carlos Uriel Corvera, MD (26 shared papers), Eric Kaoru Nakakura, MD (26 shared papers) and John L. Cameron, MD (16 shared papers).

What insurance does Dr. Kenzo Hirose accept?

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

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