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DR. MARIA WILLIAMSON HOUSE M.D.
NPI 1023002151
Surgery in Jackson, CA

Active since September 05, 2005PECOS EnrolledAccepts Medicare Assignment
100 MISSION BLVD STE B116, JACKSON, CA 95642(209) 217-8416(209) 217-8433 Get Directions Write a Review

NPPES record last updated: February 19, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Maria Williamson House M.d. NPPES

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

DR. MARIA WILLIAMSON HOUSE M.D. (NPI 1023002151) is an individual surgery provider in Jackson, California, licensed in California (148178) and active in the NPI registry since September 2005. She is enrolled in Medicare PECOS, maintains a secondary practice location in Los Banos, and is a graduate of Ohio State University College Of Medicine (1990).

NPPES Registry Identity

NPI1023002151
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameDR. MARIA WILLIAMSON HOUSECredential: M.D.
Location Address100 MISSION BLVD STE B116Jackson, CA 95642-2536
Mailing Address10560 Ridgecrest DrJackson, CA 95642-9348 · (719) 648-3595
Phone(209) 217-8416
Fax(209) 217-8433
Sole ProprietorNo
Medical School CMSOhio State University College Of MedicineGraduated 1990
Enumeration DateSeptember 5, 2005
Last NPPES UpdateFebruary 19, 2021
NPPES CertifiedFebruary 3, 2021
✔ NPI 1023002151 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Licenses✔ Licensed in CA · 148178✔ Licensed in MI · 4301099492
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.
Also ListedColon & Rectal SurgeryTaxonomy 208C00000X · License 148178 (CA), 4301099492 (MI), 38764 (CO)
100 MISSION BLVD STE B116, Jackson, CA 95642
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Secondary Practice Location 1

Location 1807 Illinois Ave Ste B116Los Banos, CA 93635-3512 · Phone (209) 710-8695

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Maria Williamson House 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 ID7618868456
PECOS Enrollment IDI20180418002407
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.

Medicare Billing Reassignments

4

Medicare enrollment records show Maria House reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Acute Care Surgery Medical Group, Inc.
41 mi
Surgery
2801 K STREET SUITE 440
Sacramento, CA 95816
  • Reassigned Medicare billing, California enrollment
  • 266 clinicians in this Medicare group
NPI 1700069549 (916) 441-0400
Sutter Medical Foundation
42 mi
Diagnostic Radiology
2800 L ST FL 7
Sacramento, CA 95816
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Sutter Valley Medical Foundation
  • 3,056 clinicians in this Medicare group
NPI 1942524095 (916) 731-7857
Surgical Affiliates Of California
89 mi
Surgery
807 ILLINOIS AVE
Los Banos, CA 93635
  • Reassigned Medicare billing, California enrollment
  • 91 clinicians in this Medicare group
NPI 1932440781 (209) 710-8695
Nv Surgicalist PLLC
338 mi
Surgery
7010 SMOKE RANCH RD STE 120
Las Vegas, NV 89128
  • Reassigned Medicare billing, Nevada enrollment
  • 4 clinicians in this Medicare group
NPI 1578229456 (725) 225-0995

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
73 services51 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
58 services58 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.
26 services26 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
22 services19 patients
Diagnostic exam of large bowel using a flexible endoscope 45378
This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.
12 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95642 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
$90.32 typical visit price
range $58.87 – $176.60
Typical copayment $22.58 (range $14.71 – $44.15)
Most-billed visit code 99203
Established Patient
$73.16 typical visit price
range $19.28 – $144.60
Typical copayment $18.29 (range $4.82 – $36.15)
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.

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 Maria House's NPI number?

The NPI number for Maria House is 1023002151. It was assigned to this individual provider in the NPPES registry on September 5, 2005.

Where is Maria House located?

Maria House practices at 100 Mission Blvd Ste B116, Jackson, CA 95642. The listed phone number is (209) 217-8416.

What is Maria House's specialty?

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

Is Maria House enrolled in Medicare?

Yes. Maria House 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.

Which organizations bill Medicare for Maria House's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria House reassigns Medicare benefits to 4 organizations: Acute Care Surgery Medical Group, Inc. (Sacramento, CA), Sutter Medical Foundation (Sacramento, CA), Surgical Affiliates Of California (Los Banos, CA) and Nv Surgicalist PLLC (Las Vegas, NV). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Maria House's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Maria House was last updated on February 19, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.