Eugene C. Groeger

  • San Francisco, CA
  • General surgeon
NPI1124008974PAC ID1951482728
Medicare services, 2024
663
Medicare patients, 2024
388
Part D claims, 2024
45
MIPS score, 2024
100
Hospital affiliations
2
Practice address
521 Parnassus Ave, San Francisco, CA 94131
Practice phone
Call (415) 379-2900
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UCSF Medical Group Business Services

San Francisco, California

See all 10 affiliations

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Eugene C. Groeger is a general surgeon in San Francisco, California

Eugene Groeger practices at UCSF Medical Group Business Services in San Francisco, California.

Eugene Groeger's NPI, 1124008974, was assigned on January 18, 2006. Eugene Groeger graduated from Creighton University School of Medicine - Omaha in 1974. Eugene Groeger holds California license G31287.

NPI and contact details
Medicare PAC ID
1951482728
NPI enumeration date
January 18, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(415) 379-2900
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
78
Medical school graduation
1974

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

Eugene C. Groeger practices at UCSF Medical Group Business Services in San Francisco, California

Eugene Groeger's primary practice is UCSF Medical Group Business Services, at 521 Parnassus Ave, San Francisco, CA 94131 in San Francisco County. The practice phone is (415) 379-2900.

  • UCSF Medical Group Business Services
    521 Parnassus Ave, San Francisco, CA 94131 · San Francisco CountyPhone(415) 379-2900

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

Eugene C. Groeger is affiliated with 7 sites of care and 3 medical groups

Eugene Groeger's primary practice is UCSF Medical Group Business Services in San Francisco, California. Eugene Groeger is also affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. The medical group on file is UCSF Pediatrics. Dmand AI also links Eugene Groeger to 1 more hospital, 3 group practices and clinics, 2 medical groups and 1 physician office, each named with a free account.

See all 10 affiliations for Eugene Groeger

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

Dmand AI tracks the EHR system at Eugene C. Groeger's practice

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

EHR by site
SiteEHR vendor and product
UCSF Medical Group Business ServicesAvailable with a free account
+6 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Eugene C. Groeger is one of 2,926 general surgeons in California

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

Specialties and state licenses

  • Surgery, CaliforniaPrimaryLicense G31287 · 1975 to 2027 · taxonomy 208600000X
  • Colorado license1979 to 2025
  • Iowa license1979 to 2001

Clinical focus

Dmand AI lists appendectomy, blood vessel access for dialysis, carotid revascularization, colon removal, gallbladder removal, groin hernia surgery, leg revascularization and removal of damaged skin or skin graft among the conditions Eugene Groeger treats.

General surgeons near Eugene Groeger

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

Eugene C. Groeger billed Medicare for 663 services in 2024

CMS data shows 663 Medicare services from Eugene Groeger across 12 procedure codes in 2024, for 388 Medicare patients. Medicare paid $40,482 for them.

Medicare services, 2024663
Medicare patients388
Paid by Medicare$40,482
Procedure codes12

Eugene Groeger's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 4112024: 3769%
Tests and treatments
2023: 3722024: 28723%

Where Eugene Groeger's Medicare services took place, 2024

  • In an office24938%
  • In a facility41462%

Eugene Groeger compared with the California median for general surgeons, 2024

  • Eugene Groeger
  • California median
Medicare services
663vs 1664.0 times
Medicare patients
388vs 1213.2 times
Part D claims
29vs 3415% below

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

Eugene Groeger'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 Eugene Groeger

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

Eugene C. Groeger treated 388 Medicare patients in 2024, average age 78

CMS counts 388 Medicare patients who saw Eugene Groeger in 2024. The largest group is 75 to 84, with 137 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 43% are also on Medicaid. Their average risk score is 2.48, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Eugene Groeger's median patient age at 75, with 45% women.

Medicare patients, 2024388
Average age78
Average risk score2.48
Also on Medicaid43%

Eugene Groeger's Medicare patients by age, 2024

Eugene Groeger's Medicare patients by sex, 2024

  • Women19751%
  • Men19149%

Chronic conditions among Eugene Groeger's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis57%
  4. Diabetes46%
  5. Chronic kidney disease42%
  6. Heart failure36%
  7. Ischemic heart disease36%
  8. Atrial fibrillation33%

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

Eugene Groeger's patients across all payers

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

Patient panel by age, all payers

Median age 75

Patient panel by sex, all payers

  • Women45%
  • Men48%

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

Eugene C. Groeger wrote 45 Medicare Part D claims in 2024

In 2024, Eugene Groeger wrote 45 Medicare Part D claims for 27 patients. 96% of them were for generic drugs. CMS names the drug for 29 of them, across 2 drugs with 11 or more claims each, at $627 in total drug cost. In 2022, CMS named 21 claims across 1 drug.

Part D claims, 202445
Drugs named by CMS2
Total drug cost$627
Part D patients27

Eugene Groeger's Part D claims by kind of drug, 2024

  • Generic43 claims96%
  • Brand-name and other2 claims4%

Eugene Groeger'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.

Drug classes CMS tracks in Eugene Groeger's Part D claims, 2024

  • Opioids24%11 of 45 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, 2022 to 2023

  • 2022
  • 2023
Claims for drugs CMS names
2022: 212023: 2938%

Drugs named by CMS: 2 in 2023, 1 in 2022.

See all prescribing by Eugene Groeger

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

Eugene C. Groeger scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Eugene Groeger for performance year 2024, reported through an alternative payment model (APM). Eugene Groeger accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 20 procedures of removal of tissue by Eugene Groeger, more than 69% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Eugene Groeger's MIPS scores, performance year 2024

  • 100of 100Final score
  • 86.3of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

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

Where Eugene Groeger ranks in Medicare procedure volume

Removal of tissue
69th percentile20 procedures
Removal of skin lesions
62nd percentile15 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

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

Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

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

Upper gastrointestinal (GI) endoscopy for acid reflux: 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)

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Eugene C. Groeger received $1,890 in industry payments from 2016 to 2025

CMS Open Payments shows 19 general payments to Eugene Groeger from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 62% of the total. Davol Inc. paid the most, $1,139.

General payments to Eugene Groeger by program year, 2016 to 2025

General payments to Eugene Groeger by kind, 2016 to 2025

$1.9Kin total
  • Food and beverage$1,16662%
  • Travel and lodging$72438%

Companies that paid Eugene Groeger the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Eugene Groeger

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

Eugene C. Groeger has 2 awards and honors on record

Dmand AI lists 2 awards for Eugene Groeger, most recently CMS Stage 1 2012 in 2012.

Awards and honors for Eugene Groeger

  1. 2012
    • CMS Stage 1 2012
  2. Undated
    • ACS Fellow

Source: Dmand AI Professional Profile Data

Eugene C. Groeger graduated from Creighton University School of Medicine - Omaha

Eugene Groeger graduated from Creighton University School of Medicine - Omaha in 1974. Eugene Groeger is a member of ACS.

  1. Medical schoolCreighton University School of Medicine - Omaha
  2. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Eugene C. Groeger accepts plans from 7 insurance carriers

Eugene Groeger is in network with 7 carriers, including Aetna, Elevance and United Healthcare. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • United Healthcare
  • Regence Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare
  • Molina

Plan types Eugene Groeger accepts, by number of carriers

  1. Medicare6
  2. PPO4
  3. EPO3
  4. HMO3
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Eugene C. Groeger'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)Clinician Public Reporting: Overall MIPS Performance (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)
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 Eugene C. Groeger

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Eugene C. Groeger's NPI number?

Eugene C. Groeger's NPI number is 1124008974. It was assigned on January 18, 2006, and it is active in the NPI Registry.

What does Eugene C. Groeger specialize in?

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

Where does Eugene C. Groeger practice?

Eugene Groeger practices at 521 Parnassus Ave, San Francisco, CA 94131. Eugene Groeger's primary practice is UCSF Medical Group Business Services in San Francisco, California. Dmand AI also links Eugene Groeger to 1 hospital, 3 group practices and clinics, 2 medical groups and 1 physician office.

What is Eugene C. Groeger's office phone number?

The practice phone on file for Eugene Groeger is (415) 379-2900.

What is Eugene C. Groeger's medical license number?

Eugene Groeger holds California license G31287, one of the licenses on file in 3 states.

Which states has Eugene C. Groeger been licensed in?

Dmand AI has state licenses on file for Eugene Groeger in California (1975 to 2027), Colorado (1979 to 2025) and Iowa (1979 to 2001).

Which hospitals is Eugene C. Groeger affiliated with?

Eugene Groeger is affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. Dmand AI links Eugene Groeger to 1 more hospital.

What medical group is Eugene C. Groeger part of?

Eugene Groeger is linked to UCSF Pediatrics. Dmand AI links Eugene Groeger to 2 more medical groups.

Does Eugene C. Groeger accept Medicare?

Yes. CMS data shows Eugene Groeger billed Medicare for 663 services in 2024, and Eugene Groeger accepts Medicare assignment.

What is Eugene C. Groeger's MIPS score?

Eugene Groeger's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).

Show 8 more questionsShow fewer questions

How many Medicare patients does Eugene C. Groeger see?

CMS counts 388 Medicare patients who saw Eugene Groeger in 2024, with an average age of 78.

Is Eugene C. Groeger board certified?

Yes. Eugene Groeger is board certified in surgery by the American Board of Surgery.

What services does Eugene C. Groeger bill to Medicare?

In 2024, Eugene Groeger's most billed Medicare services were office visit, established patient (99213), blood vessel study (93970) and blood vessel study (93971).

Where did Eugene C. Groeger go to medical school?

Eugene Groeger graduated from Creighton University School of Medicine - Omaha in 1974.

What drugs does Eugene C. Groeger prescribe most?

In 2023 Medicare Part D data, Eugene Groeger's most prescribed drugs by claims were Cephalexin and Hydrocodone-Acetaminophen.

Has Eugene C. Groeger received payments from drug or device companies?

CMS Open Payments shows $1,890 in general payments to Eugene Groeger from 10 companies from 2016 to 2025. The largest total came from Davol Inc.

How long has Eugene C. Groeger been practicing?

Eugene Groeger graduated from medical school in 1974, 52 years ago.

What insurance does Eugene C. Groeger accept?

Eugene Groeger is in network with 7 carriers, including Aetna, Elevance and United Healthcare. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

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