Dr. Maria Williamson House, MD
- Medicare services, 2024
- 191
- Medicare patients, 2024
- 176
- Part D claims, 2024
- 12
- Hospital affiliations
- 2
- Industry payments
- $5,919
- Practice address
- 2825 Capitol Avenue, Sacramento, CA 95816
- Practice phone
- Call (916) 454-2222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. House's professional email, personal email and mobile number
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Dr. Maria Williamson House is a general surgeon in Sacramento, California
Dr. House practices at Sutter Medical Center, Sacramento in Sacramento, California, part of Sutter Health.
Dr. House's NPI, 1023002151, was assigned on September 5, 2005. Dr. House graduated from Ohio State University College of Medicine in 1990. Dr. House holds California license 148178.
- NPI
- 1023002151NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618868456
- NPI enumeration date
- September 5, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (916) 454-2222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Maria Williamson House practices at Sutter Medical Center, Sacramento in Sacramento, California
Dr. House's primary practice is Sutter Medical Center, Sacramento, at 2825 Capitol Avenue, Sacramento, CA 95816 in Sacramento County. The practice phone is (916) 454-2222.
- Sutter Medical Center, Sacramento2825 Capitol Avenue, Sacramento, CA 95816 · Sacramento CountyPhone(916) 454-2222
Source: Dmand AI Affiliation Data
Dr. Maria Williamson House is affiliated with 6 sites of care and 4 medical groups
Dr. House's primary practice is Sutter Medical Center, Sacramento in Sacramento, California, part of Sutter Health. Dr. House is also affiliated with Sutter Amador Hospital. The medical group on file is SGMF Radiology. Dmand AI also links Dr. House to 4 more group practices and clinics and 3 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Maria Williamson House's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. House practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sutter Medical Center, Sacramento | Available with a free account |
| +5 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Sutter Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Maria Williamson House is one of 2,926 general surgeons in California
Surgery is Dr. House's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. House's licenses on file in 3 states: California, Colorado and Michigan.
Specialties and state licenses
- Surgery, CaliforniaPrimary
- Colorado license
- Michigan license
General surgeons near Dr. House
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. Maria Williamson House billed Medicare for 191 services in 2024
CMS data shows 191 Medicare services from Dr. House across 5 procedure codes in 2024, for 176 Medicare patients. Medicare paid $18,939 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. House's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3512024: 17949%
- Surgery
- 2023: 192024: 1237%
Dr. House compared with the California median for general surgeons, 2024
- Dr. House
- California median
- Medicare services
- 191vs 16615% above
- Medicare patients
- 176vs 12145% above
- Part D claims
- 34vs 34Close to median
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. House'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. Maria Williamson House treated 176 Medicare patients in 2024, average age 75
CMS counts 176 Medicare patients who saw Dr. House in 2024. The largest group is 65 to 74, with 76 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 30% are also on Medicaid. Their average risk score is 1.67, 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. House's median patient age at 57, with 51% women.
Dr. House's Medicare patients by age, 2024
Dr. House's Medicare patients by sex, 2024
- Women8448%
- Men9252%
Chronic conditions among Dr. House's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis42%
- Ischemic heart disease40%
- Chronic kidney disease38%
- Atrial fibrillation36%
- Diabetes36%
- Heart failure35%
Share of Medicare patients with each condition. A patient can have several.
Dr. House's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Maria Williamson House wrote 12 Medicare Part D claims in 2024
In 2024, Dr. House wrote 12 Medicare Part D claims. 100% of them were for generic drugs. They cover 2 drugs, with $233 in total drug cost. In 2020, CMS named 15 claims across 1 drug.
Dr. House's 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.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 152021: 34127%
Drugs named by CMS: 2 in 2021, 1 in 2020.
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. Maria Williamson House ranks in the 71st percentile for colonoscopy in Medicare
Dr. House accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 71 procedures of colonoscopy by Dr. House, more than 71% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. House ranks in Medicare procedure volume
- Colonoscopy
- 71st percentile71 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 54th percentile27 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 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. Maria Williamson House received $5,919 in industry payments from 2016 to 2025
CMS Open Payments shows 23 general payments to Dr. House from 7 drug and device companies from 2016 to 2025. Education make up the largest share, 59% of the total. Intuitive Surgical, Inc. paid the most, $4,914.
General payments to Dr. House by program year, 2016 to 2025
General payments to Dr. House by kind, 2016 to 2025
- Education$3,50059%
- Travel and lodging$1,85031%
- Food and beverage$56910%
Companies that paid Dr. House the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Maria Williamson House graduated from Ohio State University College of Medicine
Dr. House graduated from Ohio State University College of Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Maria Williamson House'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) |
| 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. Maria Williamson House
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. Maria Williamson House's NPI number?
Dr. Maria Williamson House's NPI number is 1023002151. It was assigned on September 5, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Maria Williamson House?
Dr. Maria Williamson House is a general surgeon in Sacramento, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Maria Williamson House practice?
Dr. House practices at 2825 Capitol Avenue, Sacramento, CA 95816. Dr. House's primary practice is Sutter Medical Center, Sacramento in Sacramento, California, part of Sutter Health. Dmand AI also links Dr. House to 4 group practices and clinics and 3 medical groups.
What is Dr. Maria Williamson House's office phone number?
The practice phone on file for Dr. House is (916) 454-2222.
What is Dr. Maria Williamson House's medical license number?
Dr. House holds California license 148178, one of the licenses on file in 3 states.
Which states has Dr. Maria Williamson House been licensed in?
Dmand AI has state licenses on file for Dr. House in California, Colorado and Michigan.
Which hospitals is Dr. Maria Williamson House affiliated with?
Dr. House practices at Sutter Medical Center, Sacramento in Sacramento, California. Dr. House is also affiliated with Sutter Amador Hospital.
What medical group is Dr. Maria Williamson House part of?
Dr. House is linked to SGMF Radiology. Dmand AI links Dr. House to 3 more medical groups.
Does Dr. Maria Williamson House accept Medicare?
Yes. CMS data shows Dr. House billed Medicare for 191 services in 2024, and Dr. House accepts Medicare assignment.
How many Medicare patients does Dr. Maria Williamson House see?
CMS counts 176 Medicare patients who saw Dr. House in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. Maria Williamson House bill to Medicare?
In 2024, Dr. House's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99222) and hospital inpatient care (99223).
Where did Dr. Maria Williamson House go to medical school?
Dr. House graduated from Ohio State University College of Medicine in 1990.
What drugs does Dr. Maria Williamson House prescribe most?
In 2021 Medicare Part D data, Dr. House's most prescribed drugs by claims were Hydrocodone-Acetaminophen and Amoxicillin-Clavulanate Potass.
Has Dr. Maria Williamson House received payments from drug or device companies?
CMS Open Payments shows $5,919 in general payments to Dr. House from 7 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Maria Williamson House been practicing?
Dr. House graduated from medical school in 1990, 36 years ago.
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