Dr. Chris E. Freise, MD

  • San Francisco, CA
  • General surgeon
NPI1194780775PAC ID0941384093
Medicare services, 2024
177
Medicare patients, 2026
121
Part D claims, 2026
225
Publications
111
Clinical trials
2
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 5 affiliations

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Dr. Chris E. Freise is a general surgeon in San Francisco, California

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

Dr. Freise's NPI, 1194780775, was assigned on April 18, 2006. Dr. Freise graduated from University Of Minnesota Medical School in 1986. Dr. Freise holds California license G65942.

NPI and contact details
Medicare PAC ID
0941384093
NPI enumeration date
April 18, 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
Get number
Sex
Male
Estimated age
66
Medical school graduation
1986

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

Dr. Chris E. Freise practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California

Dr. Freise'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. Chris E. Freise is affiliated with 1 site of care and 4 medical groups

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

See all 5 affiliations for Dr. Freise

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

Dmand AI tracks the EHR system at Dr. Chris E. Freise's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Freise practices. 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
+3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Chris E. Freise is one of 2,926 general surgeons in California

Surgery is Dr. Freise's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Freise is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Freise's licenses on file in 2 states: California and Minnesota.

Specialties and state licenses

  • Surgery, CaliforniaPrimaryLicense G65942 · 1989 to 2027 · taxonomy 208600000X
  • Minnesota license1989 to 1994

Clinical focus

Dmand AI lists kidney transplant among the conditions Dr. Freise treats.

General surgeons near Dr. Freise

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. Chris E. Freise billed Medicare for 177 services in 2024

CMS data shows 177 Medicare services from Dr. Freise across 8 procedure codes in 2024, for 121 Medicare patients. Medicare paid $71,353 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024177
Medicare patients121
Paid by Medicare$71,353
Procedure codes8

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

  • 2023
  • 2024
Office and hospital visits
2023: 1992024: 13134%
Surgery
2023: 792024: 4642%

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

  • Dr. Freise
  • California median
Medicare services
177vs 1667% above
Medicare patients
121vs 121Close to median
Part D claims
125vs 343.7 times

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

Dr. Freise'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. Freise

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

Dr. Chris E. Freise treated 121 Medicare patients in 2026, average age 62

CMS counts 121 Medicare patients who saw Dr. Freise in 2026. The largest group is under 65, with 54 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 47% are also on Medicaid. Their average risk score is 7.02, 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. Freise's median patient age at 63, with 49% women.

Medicare patients, 2026121
Average age62
Average risk score7.02
Also on Medicaid47%

Dr. Freise's Medicare patients by age, 2026

CMS leaves out age groups with fewer than 11 patients.

Dr. Freise's Medicare patients by sex, 2026

  • Women5545%
  • Men6655%

Chronic conditions among Dr. Freise's Medicare patients, 2026

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol73%
  4. Diabetes60%
  5. Ischemic heart disease42%
  6. Heart failure35%
  7. Anxiety31%
  8. Mood disorders29%

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

Dr. Freise's patients across all payers

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

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women49%
  • Men49%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data

Dr. Chris E. Freise wrote 225 Medicare Part D claims in 2026

In 2026, Dr. Freise wrote 225 Medicare Part D claims for 38 patients. 91% of them were for generic drugs. CMS names the drug for 125 of them, across 6 drugs with 11 or more claims each, at $4,440 in total drug cost. In 2023, CMS named 84 claims across 5 drugs.

Part D claims, 2026225
Drugs named by CMS6
Total drug cost$4,440
Part D patients38

Dr. Freise's Part D claims by kind of drug, 2026

  • Generic204 claims91%
  • Brand-name and other21 claims9%

Dr. Freise'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. Freise's Part D claims, 2026

  • Antibiotics24%55 of 225 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: 842024: 12549%

Drugs named by CMS: 6 in 2024, 5 in 2023.

See all prescribing by Dr. Freise

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

Dr. Chris E. Freise scored 98 out of 100 in Medicare's MIPS program for 2026

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Dr. Freise for performance year 2026, reported as part of a group. Dr. Freise accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Freise as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Freise's MIPS scores, performance year 2026

  • 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.

Removal of tissue: 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), 2026 data; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Chris E. Freise has 111 publications on record

Dmand AI links 111 papers to Dr. Freise, published from 2006 to 2024. 2020 was the busiest year, with 5. The most frequent topics are Liver Transplantation, Kidney Transplantation and Living Donors. Dr. Freise has published most often in Transplantation. Dr. Freise's most frequent co-authors are Nancy L. Ascher, MD, Peter G. Stock, MD and John P. Roberts, MD.

Papers111
Years published2006 to 2024

Dr. Freise's papers by year, 2014 to 2024

Topics Dr. Freise writes about most

  • Liver Transplantation
  • Kidney Transplantation
  • Living Donors
  • Graft Survival
  • Graft Rejection
  • Postoperative Complications
  • Tissue Donors
  • Laparoscopy

Dr. Freise's most frequent co-authors

Recent publications by Dr. Freise

See all 111 publications and co-authors

See who Dr. Freise researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Freise 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. Chris E. Freise has worked on 2 clinical trials

Dmand AI links Dr. Freise to 2 clinical trials. Conditions studied include End Stage Liver Disease, Hernia, Ventral and Liver Failure.

Conditions in Dr. Freise's trials

  • End Stage Liver Disease
  • Hernia, Ventral
  • Liver Failure
  • Surgical Wound

Investigators on the most trials with Dr. Freise

Recent clinical trials with Dr. Freise

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

Dr. Chris E. Freise received $1,429 in industry payments from 2016 to 2025

CMS Open Payments shows 12 general payments to Dr. Freise from 8 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Novartis Pharmaceuticals Corporation paid the most, $454.

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

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

$1.4Kin total
  • Food and beverage$1,41199%
  • Education$181%

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

Share is of all general payments to this clinician.

See all payments to Dr. Freise

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

Dr. Chris E. Freise has 3 awards and honors on record

Dmand AI lists 3 awards for Dr. Freise, most recently ACS Fellow in 2013.

Awards and honors for Dr. Freise

  1. 2013
    • ACS Fellow
  2. 2012
    • Super Doc
  3. Undated
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Chris E. Freise graduated from University Of Minnesota Medical School

Dr. Freise graduated from University Of Minnesota Medical School in 1986. Dr. Freise is a member of ACS.

  1. Medical schoolUniversity Of Minnesota Medical School
  2. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Chris E. Freise accepts plans from 9 insurance carriers

Dr. Freise is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • +1 more carriersWith a free account

Plan types Dr. Freise accepts, by number of carriers

  1. Medicare8
  2. PPO7
  3. HMO4
  4. POS4
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Dr. Chris E. Freise'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
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. Chris E. Freise

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. Chris E. Freise's NPI number?

Dr. Chris E. Freise's NPI number is 1194780775. It was assigned on April 18, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Chris E. Freise?

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

Where does Dr. Chris E. Freise practice?

Dr. Freise practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Dr. Freise'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. Freise to 3 medical groups, and a free account names each one.

What is Dr. Chris E. Freise's office phone number?

The practice phone on file for Dr. Freise is (415) 353-2733. Dmand AI also checks direct phone and mobile numbers, available with a free account.

What is Dr. Chris E. Freise's email address?

Dmand AI checks professional and personal email addresses for Dr. Freise through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.

What is Dr. Chris E. Freise's medical license number?

Dr. Freise holds California license G65942, one of the licenses on file in 2 states.

Which states has Dr. Chris E. Freise been licensed in?

Dmand AI has state licenses on file for Dr. Freise in California (1989 to 2027) and Minnesota (1989 to 1994).

Which hospitals is Dr. Chris E. Freise affiliated with?

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

What medical group is Dr. Chris E. Freise part of?

Dr. Freise is linked to UCSF Pediatrics. Dmand AI links Dr. Freise to 3 more medical groups, named with a free account.

Who does Dr. Chris E. Freise practice with?

Dmand AI links 3,341 HCPs to Dr. Freise's primary medical group, 58 of them general surgeons. A free account lists them, with verified contacts.

Show 14 more questionsShow fewer questions

Does Dr. Chris E. Freise accept Medicare?

Yes. CMS data shows Dr. Freise billed Medicare for 177 services in 2024, and Dr. Freise accepts Medicare assignment.

Does Dr. Chris E. Freise offer telehealth?

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

What is Dr. Chris E. Freise's MIPS score?

Dr. Freise's MIPS final score for performance year 2026 is 98 out of 100, reported as part of a group.

How many Medicare patients does Dr. Chris E. Freise see?

CMS counts 121 Medicare patients who saw Dr. Freise in 2026, with an average age of 62.

Is Dr. Chris E. Freise board certified?

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

What services does Dr. Chris E. Freise bill to Medicare?

In 2024, Dr. Freise's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and office visit, established patient (99214).

Where did Dr. Chris E. Freise go to medical school?

Dr. Freise graduated from University Of Minnesota Medical School in 1986.

What drugs does Dr. Chris E. Freise prescribe most?

In 2024 Medicare Part D data, Dr. Freise's most prescribed drugs by claims were Sulfamethoxazole-Trimethoprim, Prednisone and Valganciclovir HCl.

Has Dr. Chris E. Freise received payments from drug or device companies?

CMS Open Payments shows $1,429 in general payments to Dr. Freise from 8 companies from 2016 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.

How long has Dr. Chris E. Freise been practicing?

Dr. Freise graduated from medical school in 1986, 40 years ago.

Does Dr. Chris E. Freise do research?

Dmand AI links 111 publications to Dr. Freise, published from 2006 to 2024. Dr. Freise has worked on 2 clinical trials.

Who does Dr. Chris E. Freise publish with?

Dr. Freise's most frequent co-authors are Nancy L. Ascher, MD (39 shared papers), Peter G. Stock, MD (25 shared papers) and John P. Roberts, MD (21 shared papers).

What EHR does Dr. Chris E. Freise's practice use?

Dmand AI tracks the EHR system at UCSF Helen Diller Medical Center at Parnassus Heights and at 3 medical groups. The vendor and product are available with a free Dmand AI account.

What insurance does Dr. Chris E. Freise accept?

Dr. Freise is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit. The full carrier list is available with a free Dmand AI account.

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