Surg Infect (Larchmt)
Biological ProductsHernia, VentralHerniorrhaphy
Dr. Frank Efrem Primus II, MD
NPI1366734618PAC ID7214224047
- Medicare services, 2024
- 759
- Medicare patients, 2024
- 106
- Part D claims, 2024
- 12
- Publications
- 5
- Hospital affiliations
- 1
- Practice address
- 4150 Clement Street, San Francisco, CA 94121
- Practice phone
- Call (415) 221-4810
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Primus' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Frank Efrem Primus II is a general surgeon in San Francisco, California
Dr. Primus practices at San Francisco VA Medical Center in San Francisco, California, part of Veterans Health Administration.
Dr. Primus' NPI, 1366734618, was assigned on May 4, 2011. Dr. Primus graduated from University of Chicago, Pritzker School of Medicine in 2008. Dr. Primus holds California license A114110.
NPI and contact details
- NPI
- 1366734618NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214224047
- NPI enumeration date
- May 4, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (415) 221-4810
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Frank Efrem Primus II practices at San Francisco VA Medical Center in San Francisco, California
Dr. Primus' primary practice is San Francisco VA Medical Center, at 4150 Clement Street, San Francisco, CA 94121 in San Francisco County. The practice phone is (415) 221-4810.
- San Francisco VA Medical Center4150 Clement Street, San Francisco, CA 94121 · San Francisco CountyPhone(415) 221-4810
Source: Dmand AI Affiliation Data
Dr. Frank Efrem Primus II is affiliated with 8 sites of care and 8 medical groups
Dr. Primus' primary practice is San Francisco VA Medical Center in San Francisco, California, part of Veterans Health Administration. The medical group on file is Advantage Surgical and Wound Care. Dmand AI also links Dr. Primus to 7 more medical groups, 4 group practices and clinics and 3 skilled nursing facilities, each named with a free account.
Advantage Surgical and Wound Care7 medical groupsNames with a free account4 group practices and clinicsNames with a free account3 skilled nursing facilitiesNames with a free account
See all 16 affiliations for Dr. PrimusSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Frank Efrem Primus II's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Primus practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Francisco VA Medical Center | Available with a free account |
| +7 more sites and 7 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Frank Efrem Primus II is one of 2,926 general surgeons in California
Surgery is Dr. Primus' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Primus is licensed in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
General surgeons near Dr. Primus
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. Frank Efrem Primus II billed Medicare for 759 services in 2024
CMS data shows 759 Medicare services from Dr. Primus across 4 procedure codes in 2024, for 106 Medicare patients. Medicare paid $75,095 for them.
Medicare services, 2024759
Medicare patients106
Paid by Medicare$75,095
Procedure codes4
Dr. Primus' Medicare services by type, 2024
- Office and hospital visits473
- Surgery286
Where Dr. Primus' Medicare services took place, 2024
- In an office34746%
- In a facility41254%
Dr. Primus compared with the California median for general surgeons, 2024
- Dr. Primus
- California median
- Medicare services
- 759vs 1664.6 times
- Medicare patients
- 106vs 12112% below
- Part D claims
- 16vs 3453% below
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Primus' 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Primus and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Frank Efrem Primus II treated 106 Medicare patients in 2024, average age 79
CMS counts 106 Medicare patients who saw Dr. Primus in 2024. The largest group is 85 and over, with 35 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 76% are also on Medicaid. Their average risk score is 2.69, 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. Primus' median patient age at 76, with 48% women.
Medicare patients, 2024106
Average age79
Average risk score2.69
Also on Medicaid76%
Dr. Primus' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Primus' Medicare patients by sex, 2024
- Women5653%
- Men5047%
Chronic conditions among Dr. Primus' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Mood disorders70%
- Depression61%
- Alzheimer's and dementia60%
- Diabetes56%
- Chronic kidney disease52%
- Anxiety50%
Share of Medicare patients with each condition. A patient can have several.
Dr. Primus' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women48%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Frank Efrem Primus II wrote 12 Medicare Part D claims in 2024
In 2024, Dr. Primus wrote 12 Medicare Part D claims. 100% of them were for generic drugs. They cover 1 drug, with $60 in total drug cost.
Part D claims, 202412
Drugs named by CMS1
Total drug cost$60
Dr. Primus' most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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
Dr. Frank Efrem Primus II ranks in the 99th percentile for removal of tissue in Medicare
Dr. Primus accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Primus as offering telehealth. CMS counts 2,605 procedures of removal of tissue by Dr. Primus, more than 99% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Primus ranks in Medicare procedure volume
- Removal of tissue
- 99th percentile2,605 procedures
- Removal of skin lesions
- 76th percentile118 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 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. Frank Efrem Primus II has 5 publications on record
Dmand AI links 5 papers to Dr. Primus, published from 2013 to 2023. The most frequent topics are Hernia, Ventral, Herniorrhaphy and Surgical Mesh. Dr. Primus has published most often in Hernia. Dr. Primus' most frequent co-authors are Hobart W. Harris, MD, David Matthew Young, PhD and Hanna Alemayehu, MD.
Papers5
Years published2013 to 2023
Dr. Primus' papers by year, 2013 to 2023
Topics Dr. Primus writes about most
- Hernia, Ventral
- Herniorrhaphy
- Surgical Mesh
- Surgical Wound Infection
Dr. Primus' most frequent co-authors
- Hobart W. Harris, MD5 shared papers
- David Matthew Young, PhD2 shared papers
- Hanna Alemayehu, MD1 shared paper
Recent publications by Dr. Primus
Abdominal MusclesAbdominal WallDisease Models, Animal
BioprosthesisHernia, VentralHerniorrhaphy
Hernia, VentralHerniorrhaphyPostoperative Complications
See who Dr. Primus researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Primus works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Frank Efrem Primus II received $305 in industry payments in 2020
CMS Open Payments shows 1 general payment to Dr. Primus from 1 drug or device company in 2020. Education make up the largest share, 100% of the total. Medical Device Business Services, Inc. paid the most, $305.
Companies that paid Dr. Primus the most, 2020 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Frank Efrem Primus II graduated from University of Chicago, Pritzker School of Medicine
Dr. Primus graduated from University of Chicago, Pritzker School of Medicine in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Frank Efrem Primus II's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors 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-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Frank Efrem Primus II
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. Frank Efrem Primus II's NPI number?
Dr. Frank Efrem Primus II's NPI number is 1366734618. It was assigned on May 4, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Frank Efrem Primus II?
Dr. Frank Efrem Primus II is a general surgeon in San Francisco, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Frank Efrem Primus II practice?
Dr. Primus practices at 4150 Clement Street, San Francisco, CA 94121. Dr. Primus' primary practice is San Francisco VA Medical Center in San Francisco, California, part of Veterans Health Administration. Dmand AI also links Dr. Primus to 7 medical groups, 4 group practices and clinics and 3 skilled nursing facilities.
What is Dr. Frank Efrem Primus II's office phone number?
The practice phone on file for Dr. Primus is (415) 221-4810.
What is Dr. Frank Efrem Primus II's medical license number?
Dr. Primus holds California license A114110.
Which hospitals is Dr. Frank Efrem Primus II affiliated with?
Dr. Primus practices at San Francisco VA Medical Center in San Francisco, California.
What medical group is Dr. Frank Efrem Primus II part of?
Dr. Primus is linked to Advantage Surgical and Wound Care. Dmand AI links Dr. Primus to 7 more medical groups.
Does Dr. Frank Efrem Primus II accept Medicare?
Yes. CMS data shows Dr. Primus billed Medicare for 759 services in 2024, and Dr. Primus accepts Medicare assignment.
Does Dr. Frank Efrem Primus II offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Primus as offering telehealth services.
How many Medicare patients does Dr. Frank Efrem Primus II see?
CMS counts 106 Medicare patients who saw Dr. Primus in 2024, with an average age of 79.
Show 7 more questionsShow fewer questions
What services does Dr. Frank Efrem Primus II bill to Medicare?
In 2024, Dr. Primus' most billed Medicare services were nursing facility care (99309), surgery: skin and soft tissue (11042) and nursing facility care (99308).
Where did Dr. Frank Efrem Primus II go to medical school?
Dr. Primus graduated from University of Chicago, Pritzker School of Medicine in 2008.
What drugs does Dr. Frank Efrem Primus II prescribe most?
In 2021 Medicare Part D data, Dr. Primus' most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Frank Efrem Primus II received payments from drug or device companies?
CMS Open Payments shows $305 in general payments to Dr. Primus from 1 company from 2020 to 2020. The largest total came from Medical Device Business Services, Inc.
How long has Dr. Frank Efrem Primus II been practicing?
Dr. Primus graduated from medical school in 2008, 18 years ago.
Does Dr. Frank Efrem Primus II do research?
Dmand AI links 5 publications to Dr. Primus, published from 2013 to 2023.
Who does Dr. Frank Efrem Primus II publish with?
Dr. Primus' most frequent co-authors are Hobart W. Harris, MD (5 shared papers), David Matthew Young, PhD (2 shared papers) and Hanna Alemayehu, MD (1 shared paper).
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