Dr. Louise Hom, MD
- Medicare services, 2024
- 344
- Medicare patients, 2024
- 183
- Part D claims, 2024
- 57
- Hospital affiliations
- 1
- Industry payments
- $11,145
- Practice address
- 20642 John Dr, Castro Valley, CA 94546
- Practice phone
- Call (510) 974-8297
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Healthcare Alliance
Castro Valley, California
Find Dr. Hom's 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. Louise Hom is a general surgeon in Castro Valley, California
Dr. Hom practices at University Healthcare Alliance in Castro Valley, California.
Dr. Hom's NPI, 1649275330, was assigned on June 17, 2005. Dr. Hom graduated from UC Davis School of Medicine in 1986. Dr. Hom holds California license G62353.
- NPI
- 1649275330NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315984119
- NPI enumeration date
- June 17, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 974-8297
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Louise Hom practices at University Healthcare Alliance in Castro Valley, California
Dr. Hom's primary practice is University Healthcare Alliance, at 20642 John Dr, Castro Valley, CA 94546 in Alameda County. The practice phone is (510) 974-8297.
- University Healthcare Alliance20642 John Dr, Castro Valley, CA 94546 · Alameda CountyPhone(510) 974-8297
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Louise Hom is affiliated with 4 sites of care and 1 medical group
Dr. Hom's primary practice is University Healthcare Alliance in Castro Valley, California. Dr. Hom is also affiliated with Sutter Eden Medical Center. The medical group on file is Stanford Medicine Partners. Dmand AI also links Dr. Hom to 1 more physician office and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Louise Hom's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hom practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Healthcare Alliance | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Louise Hom is one of 2,926 general surgeons in California
Surgery is Dr. Hom's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Hom is board certified in surgery by the American Board of Surgery. Dr. Hom is licensed in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists abdominal hernia repair surgery, acute gallbladder or bile duct inflammation, appendectomy, colon removal, gallbladder removal, groin hernia surgery, hemorrhoids and mastectomy among the conditions Dr. Hom treats.
General surgeons near Dr. Hom
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. Louise Hom billed Medicare for 344 services in 2024
CMS data shows 344 Medicare services from Dr. Hom across 8 procedure codes in 2024, for 183 Medicare patients. Medicare paid $29,694 for them.
Dr. Hom's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2492024: 2432%
- Other services
- 2023: 02024: 101
- Surgery
- 2023: 422024: 0100%
Where Dr. Hom's Medicare services took place, 2024
- In an office32494%
- In a facility206%
Dr. Hom compared with the California median for general surgeons, 2024
- Dr. Hom
- California median
- Medicare services
- 344vs 1662.1 times
- Medicare patients
- 183vs 12151% above
- Part D claims
- 39vs 3415% above
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Hom'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Louise Hom treated 183 Medicare patients in 2024, average age 77
CMS counts 183 Medicare patients who saw Dr. Hom in 2024. The largest group is 65 to 74, with 77 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.23, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hom's median patient age at 70, with 74% women.
Dr. Hom's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Hom's Medicare patients by sex, 2024
- Women13875%
- Men4525%
Chronic conditions among Dr. Hom's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Cancer66%
- Arthritis36%
- Osteoporosis35%
- Chronic kidney disease30%
- Diabetes30%
- Ischemic heart disease20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hom's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women74%
- Men22%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Louise Hom wrote 57 Medicare Part D claims in 2024
In 2024, Dr. Hom wrote 57 Medicare Part D claims for 42 patients. 98% of them were for generic drugs. CMS names the drug for 39 of them, across 1 drug with 11 or more claims each, at $47 in total drug cost. In 2023, CMS named 52 claims across 2 drugs.
Dr. Hom's Part D claims by kind of drug, 2024
- Generic56 claims98%
- Brand-name and other1 claims2%
Dr. Hom'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. Hom's Part D claims, 2024
- Opioids70%40 of 57 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: 522024: 3925%
Drugs named by CMS: 1 in 2024, 2 in 2023.
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. Louise Hom ranks in the 75th percentile for mastectomy in Medicare
Dr. Hom accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 17 procedures of mastectomy by Dr. Hom, more than 75% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Hom ranks in Medicare procedure volume
- Mastectomy
- 75th percentile17 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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)
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. Louise Hom received $11,145 in industry payments from 2016 to 2024
CMS Open Payments shows 31 general payments to Dr. Hom from 4 drug and device companies from 2016 to 2024. Education make up the largest share, 63% of the total. Intuitive Surgical, Inc. paid the most, $10,324.
General payments to Dr. Hom by program year, 2016 to 2024
General payments to Dr. Hom by kind, 2016 to 2024
- Education$7,00063%
- Travel and lodging$2,54223%
- Food and beverage$1,60314%
Companies that paid Dr. Hom the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Louise Hom graduated from UC Davis School of Medicine
Dr. Hom graduated from UC Davis School of Medicine in 1986.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Louise Hom accepts plans from 10 insurance carriers
Dr. Hom is in network with 10 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
- +2 more carriersWith a free account
Plan types Dr. Hom accepts, by number of carriers
- Medicare8
- PPO8
- HMO4
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Louise Hom'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Louise Hom
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. Louise Hom's NPI number?
Dr. Louise Hom's NPI number is 1649275330. It was assigned on June 17, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Louise Hom?
Dr. Louise Hom is a general surgeon in Castro Valley, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Louise Hom practice?
Dr. Hom practices at 20642 John Dr, Castro Valley, CA 94546. Dr. Hom's primary practice is University Healthcare Alliance in Castro Valley, California. Dmand AI also links Dr. Hom to 1 physician office and 1 group practice or clinic.
What is Dr. Louise Hom's office phone number?
The practice phone on file for Dr. Hom is (510) 974-8297.
What is Dr. Louise Hom's medical license number?
Dr. Hom holds California license G62353.
Which hospitals is Dr. Louise Hom affiliated with?
Dr. Hom is affiliated with Sutter Eden Medical Center.
What medical group is Dr. Louise Hom part of?
Dr. Hom is linked to Stanford Medicine Partners.
Does Dr. Louise Hom accept Medicare?
Yes. CMS data shows Dr. Hom billed Medicare for 344 services in 2024, and Dr. Hom accepts Medicare assignment.
How many Medicare patients does Dr. Louise Hom see?
CMS counts 183 Medicare patients who saw Dr. Hom in 2024, with an average age of 77.
Is Dr. Louise Hom board certified?
Yes. Dr. Hom is board certified in surgery by the American Board of Surgery.
Show 6 more questionsShow fewer questions
What services does Dr. Louise Hom bill to Medicare?
In 2024, Dr. Hom's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99213).
Where did Dr. Louise Hom go to medical school?
Dr. Hom graduated from UC Davis School of Medicine in 1986.
What drugs does Dr. Louise Hom prescribe most?
In 2024 Medicare Part D data, Dr. Hom's most prescribed drugs by claims were Tramadol HCl.
Has Dr. Louise Hom received payments from drug or device companies?
CMS Open Payments shows $11,145 in general payments to Dr. Hom from 4 companies from 2016 to 2024. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Louise Hom been practicing?
Dr. Hom graduated from medical school in 1986, 40 years ago.
What insurance does Dr. Louise Hom accept?
Dr. Hom is in network with 10 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.
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