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DR. LOUISE HOM M.D.
NPI 1649275330
Surgery in Castro Valley, CA

Active since June 17, 2005PECOS EnrolledAccepts Medicare Assignment
20130 LAKE CHABOT RD, STE 202, CASTRO VALLEY, CA 94546(510) 583-8192 Get Directions Write a Review

NPPES record last updated: June 27, 2019. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Dr. Louise Hom M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. LOUISE HOM M.D. (NPI 1649275330) is an individual surgery provider in Castro Valley, California, licensed in California (G62353) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS and is a graduate of University Of California, Davis School Of Medicine (1986).

NPPES Registry Identity

NPI1649275330
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameDR. LOUISE HOMCredential: M.D.
Location Address20130 LAKE CHABOT RD, STE 202Castro Valley, CA 94546-5340
Mailing Address20130 Lake Chabot Rd, Ste 202Castro Valley, CA 94546-5340
Phone(510) 583-8192
Sole ProprietorNo
Medical School CMSUniversity Of California, Davis School Of MedicineGraduated 1986
Enumeration DateJune 17, 2005
Last NPPES UpdateJune 27, 2019
✔ NPI 1649275330 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in CA · G62353
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
20130 LAKE CHABOT RD, Castro Valley, CA 94546
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Louise Hom M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7315984119
PECOS Enrollment IDI20050414000403
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
109 services85 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
44 services38 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
33 services33 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
20 services17 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
13 services13 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94546 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 7

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, without built-in convexity, each A4385
DME-Orthotic Devices · category DF010N
1 supplier11 claims201 services$4.92 avg. paid by Medicare
Wound pouch, each A6154
DME-Medical/Surgical Supplies · category DA023N
1 supplier12 claims120 services$13.88 avg. paid by Medicare
Parenteral nutrition solution, not otherwise specified, 10 grams lipids B4185
Other-Enteral and Parenteral · category OB005N
1 supplier52 claims1,483 services$10.95 avg. paid by Medicare
Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements, and vitamins, including preparation, any strength, 10 to 51 grams of protein - premix B4189
Other-Enteral and Parenteral · category OB005N
1 supplier32 claims225 services$177.44 avg. paid by Medicare
Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements, and vitamins, including preparation, any strength, 52 to 73 grams of protein - premix B4193
Other-Enteral and Parenteral · category OB005N
1 supplier20 claims140 services$232.16 avg. paid by Medicare
Parenteral nutrition supply kit; premix, per day B4220
Other-Enteral and Parenteral · category OB005N
1 supplier52 claims365 services$8.03 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TONY HO PA-C
Physician Assistant
20130 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Alameda County (510) 889-1700
BENJAMIN WOLSZTEJN, MD INC
Obstetrics & Gynecology
20130 LAKE CHABOT RD, SUITE 306
CASTRO VALLEY, CA 94546
Alameda County (510) 581-7666
KENNETH L. ROTHMAN, M.D., INC.
Clinic/Center (Primary Care)
20130 LAKE CHABOT RD, SUITE 202
CASTRO VALLEY, CA 94546
Alameda County (510) 582-6424
MARCIA C PECK MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
20130 LAKE CHABOT RD, SUITE 201
CASTRO VALLEY, CA 94546
Alameda County (510) 204-2574
DONALD R. KNOTTS, M.D. INC
Clinic/Center (Medical Specialty)
20130 LAKE CHABOT RD, SUITE 309
CASTRO VALLEY, CA 94546
Alameda County (510) 886-3701
DR. DONALD RICHARD KNOTTS MEDICAL DOCTOR
Internal Medicine
20130 LAKE CHABOT RD, SUITE 309
CASTRO VALLEY, CA 94546
Alameda County (510) 886-3701
PATTI LACEY HEE PA-C
Physician Assistant
20130 LAKE CHABOT RD, SUITE #202
CASTRO VALLEY, CA 94546
Alameda County (510) 582-6424
ASSOCIATEDUROLOGY MEDICAL GROUP,INC.
Urology
20130 LAKE CHABOT RD, # 302
CASTRO VALLEY, CA 94546
Alameda County (510) 889-1700

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Louise Hom's NPI number?

The NPI number for Louise Hom is 1649275330. It was assigned to this individual provider in the NPPES registry on June 17, 2005.

Where is Louise Hom located?

Louise Hom practices at 20130 Lake Chabot Rd Ste 202, Castro Valley, CA 94546. The listed phone number is (510) 583-8192.

What is Louise Hom's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Louise Hom enrolled in Medicare?

Yes. Louise Hom is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Louise Hom was last updated on June 27, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.