Dr. Anna L. Houterman, MD
- Medicare services, 2024
- 513
- Medicare patients, 2024
- 312
- Part D claims, 2024
- 29
- MIPS score, 2024
- 87
- Hospital affiliations
- 5
- Practice address
- 24302 Paseo De Valencia, Laguna Hills, CA 92653
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Memorialcare Radiation Oncology - HOPD
Acute Care Hospital outpatient department · Laguna Hills, California
Find Dr. Houterman's professional email, personal email and mobile number
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Dr. Anna L. Houterman is a general surgeon in Laguna Hills, California
Dr. Houterman practices at Memorialcare Radiation Oncology - HOPD in Laguna Hills, California.
Dr. Houterman's NPI, 1164637435, was assigned on May 11, 2007. Dr. Houterman graduated from Keck School of Medicine of USC in 2002. Dr. Houterman holds California license A86277.
- NPI
- 1164637435NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305937269
- NPI enumeration date
- May 11, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Anna L. Houterman practices at Memorialcare Radiation Oncology - HOPD in Laguna Hills, California
Dr. Houterman's primary practice is Memorialcare Radiation Oncology - HOPD, at 24302 Paseo De Valencia, Laguna Hills, CA 92653.
- Memorialcare Radiation Oncology - HOPD24302 Paseo De Valencia, Laguna Hills, CA 92653
Source: Dmand AI Affiliation Data
Dr. Anna L. Houterman is affiliated with 8 sites of care and 3 medical groups
Dr. Houterman's primary practice is Memorialcare Radiation Oncology - HOPD in Laguna Hills, California. Dr. Houterman is also affiliated with MemorialCare Saddleback Medical Center. The medical group on file is UCLA Medical Group. Dmand AI also links Dr. Houterman to 4 more hospitals, 2 group practices and clinics and 2 medical groups, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Anna L. Houterman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Houterman practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Memorialcare Radiation Oncology - HOPD | Available with a free account |
| +7 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Anna L. Houterman is one of 2,926 general surgeons in California
Surgery is Dr. Houterman's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Houterman is board certified in surgery by the American Board of Surgery. Dr. Houterman is licensed in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists breast reconstruction and mastectomy among the conditions Dr. Houterman treats.
General surgeons near Dr. Houterman
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. Anna L. Houterman billed Medicare for 513 services in 2024
CMS data shows 513 Medicare services from Dr. Houterman across 8 procedure codes in 2024, for 312 Medicare patients. Medicare paid $63,010 for them.
Dr. Houterman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4482024: 4333%
- Surgery
- 2023: 962024: 8017%
Where Dr. Houterman's Medicare services took place, 2024
- In an office43384%
- In a facility8016%
Dr. Houterman compared with the California median for general surgeons, 2024
- Dr. Houterman
- California median
- Medicare services
- 513vs 1663.1 times
- Medicare patients
- 312vs 1212.6 times
- Part D claims
- 33vs 34Close to median
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Houterman'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. Anna L. Houterman treated 312 Medicare patients in 2024, average age 73
CMS counts 312 Medicare patients who saw Dr. Houterman in 2024. The largest group is 65 to 74, with 186 patients. 75% of them have cancer, and 74% have high cholesterol. 6% are also on Medicaid. Their average risk score is 0.90, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Houterman's median patient age at 63, with 98% women.
Dr. Houterman's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Houterman's Medicare patients, 2024
- Cancer75%
- High cholesterol74%
- High blood pressure63%
- Arthritis44%
- Osteoporosis32%
- Anxiety20%
- Diabetes19%
- Mood disorders18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Houterman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women98%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Anna L. Houterman wrote 29 Medicare Part D claims in 2024
In 2024, Dr. Houterman wrote 29 Medicare Part D claims for 18 patients. 100% of them were for generic drugs. They cover 2 drugs, with $252 in total drug cost. In 2022, CMS named 16 claims across 1 drug.
Dr. Houterman's most prescribed drugs by claims, 2023
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. Houterman's Part D claims, 2024
- Antibiotics69%20 of 29 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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 162023: 33106%
Drugs named by CMS: 2 in 2023, 1 in 2022.
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. Anna L. Houterman scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Houterman for performance year 2024, reported as part of a group. Dr. Houterman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 36 procedures of mastectomy by Dr. Houterman, more than 90% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Houterman's MIPS scores, performance year 2024
- 87of 100Final score
- 80.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 72of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Houterman ranks in Medicare procedure volume
- Mastectomy
- 90th percentile36 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Anna L. Houterman received $325 in industry payments from 2016 to 2025
CMS Open Payments shows 13 general payments to Dr. Houterman from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $152.
General payments to Dr. Houterman by program year, 2016 to 2025
Companies that paid Dr. Houterman 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. Anna L. Houterman has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Houterman, most recently ACS Fellow in 2011.
Awards and honors for Dr. Houterman
- 2011
- ACS Fellow
- Undated
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Anna L. Houterman graduated from Keck School of Medicine of USC
Dr. Houterman graduated from Keck School of Medicine of USC in 2002. Dr. Houterman is a member of ACS.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Anna L. Houterman accepts plans from 14 insurance carriers
Dr. Houterman is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +6 more carriersWith a free account
Plan types Dr. Houterman accepts, by number of carriers
- PPO9
- Medicare8
- HMO7
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Anna L. Houterman'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 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)Clinician Public Reporting: Overall MIPS Performance (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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Anna L. Houterman
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. Anna L. Houterman's NPI number?
Dr. Anna L. Houterman's NPI number is 1164637435. It was assigned on May 11, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Anna L. Houterman?
Dr. Anna L. Houterman is a general surgeon in Laguna Hills, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Anna L. Houterman practice?
Dr. Houterman practices at 24302 Paseo De Valencia, Laguna Hills, CA 92653. Dr. Houterman's primary practice is Memorialcare Radiation Oncology - HOPD in Laguna Hills, California. Dmand AI also links Dr. Houterman to 4 hospitals, 2 group practices and clinics and 2 medical groups.
What is Dr. Anna L. Houterman's medical license number?
Dr. Houterman holds California license A86277.
Which hospitals is Dr. Anna L. Houterman affiliated with?
Dr. Houterman is affiliated with MemorialCare Saddleback Medical Center. Dmand AI links Dr. Houterman to 4 more hospitals.
What medical group is Dr. Anna L. Houterman part of?
Dr. Houterman is linked to UCLA Medical Group. Dmand AI links Dr. Houterman to 2 more medical groups.
Does Dr. Anna L. Houterman accept Medicare?
Yes. CMS data shows Dr. Houterman billed Medicare for 513 services in 2024, and Dr. Houterman accepts Medicare assignment.
What is Dr. Anna L. Houterman's MIPS score?
Dr. Houterman's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
How many Medicare patients does Dr. Anna L. Houterman see?
CMS counts 312 Medicare patients who saw Dr. Houterman in 2024, with an average age of 73.
Is Dr. Anna L. Houterman board certified?
Yes. Dr. Houterman is board certified in surgery by the American Board of Surgery.
Show 6 more questionsShow fewer questions
What services does Dr. Anna L. Houterman bill to Medicare?
In 2024, Dr. Houterman's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99205) and surgery: skin and soft tissue (19301).
Where did Dr. Anna L. Houterman go to medical school?
Dr. Houterman graduated from Keck School of Medicine of USC in 2002.
What drugs does Dr. Anna L. Houterman prescribe most?
In 2023 Medicare Part D data, Dr. Houterman's most prescribed drugs by claims were Oxycodone-Acetaminophen and Tramadol HCl.
Has Dr. Anna L. Houterman received payments from drug or device companies?
CMS Open Payments shows $325 in general payments to Dr. Houterman from 6 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Anna L. Houterman been practicing?
Dr. Houterman graduated from medical school in 2002, 24 years ago.
What insurance does Dr. Anna L. Houterman accept?
Dr. Houterman is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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