Dr. Karin Lilly Siguenza, MD
- Medicare services, 2024
- 125
- Medicare patients, 2024
- 93
- Part D claims, 2024
- 113
- Hospital affiliations
- 5
- Medical groups
- 4
- Practice address
- 12401 Washington Blvd, Whittier, CA 90602
- Practice phone
- Call (562) 698-0811
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Siguenza'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. Karin Lilly Siguenza is an emergency medicine physician in Whittier, California
Dr. Siguenza practices at PIH Health Whittier Hospital in Whittier, California, part of PIH Health.
Dr. Siguenza's NPI, 1457989394, was assigned on March 27, 2020. Dr. Siguenza graduated from Georgetown University School Of Medicine in 2020. Dr. Siguenza holds California license A181013.
- NPI
- 1457989394NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5799169058
- NPI enumeration date
- March 27, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (562) 698-0811
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karin Lilly Siguenza practices at PIH Health Whittier Hospital in Whittier, California
Dr. Siguenza's primary practice is PIH Health Whittier Hospital, at 12401 Washington Blvd, Whittier, CA 90602 in Los Angeles County. The practice phone is (562) 698-0811.
- PIH Health Whittier Hospital12401 Washington Blvd, Whittier, CA 90602 · Los Angeles CountyPhone(562) 698-0811
Source: Dmand AI Affiliation Data
Dr. Karin Lilly Siguenza is affiliated with 5 sites of care and 4 medical groups
Dr. Siguenza's primary practice is PIH Health Whittier Hospital in Whittier, California, part of PIH Health. Dr. Siguenza is also affiliated with Harbor-UCLA Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Siguenza to 3 more hospitals 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. Karin Lilly Siguenza's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Siguenza practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| PIH Health Whittier Hospital | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Karin Lilly Siguenza is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Siguenza's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Siguenza is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Siguenza
Counts of emergency medicine physicians 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. Karin Lilly Siguenza billed Medicare for 125 services in 2024
CMS data shows 125 Medicare services from Dr. Siguenza across 3 procedure codes in 2024, for 93 Medicare patients. Medicare paid $11,929 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Siguenza's Medicare services by type, 2024
- Office and hospital visits81
- Tests and treatments44
Dr. Siguenza compared with the California median for emergency medicine physicians, 2024
- Dr. Siguenza
- California median
- Medicare services
- 125vs 26553% below
- Medicare patients
- 93vs 24362% below
- Part D claims
- 11vs 6282% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Siguenza'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.
Need commercial claims for Dr. Siguenza?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Siguenza and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karin Lilly Siguenza treated 93 Medicare patients in 2024, average age 76
CMS counts 93 Medicare patients who saw Dr. Siguenza in 2024. The largest group is 65 to 74, with 33 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 75% are also on Medicaid. Their average risk score is 2.84, 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. Siguenza's median patient age at 50, with 58% women.
Dr. Siguenza's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Siguenza's Medicare patients by sex, 2024
- Women5963%
- Men3437%
Chronic conditions among Dr. Siguenza's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes61%
- Arthritis53%
- Anxiety44%
- Mood disorders44%
- Chronic kidney disease42%
- Depression42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Siguenza's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Karin Lilly Siguenza wrote 113 Medicare Part D claims in 2024
In 2024, Dr. Siguenza wrote 113 Medicare Part D claims for 79 patients. 97% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $50 in total drug cost.
Dr. Siguenza's Part D claims by kind of drug, 2024
- Generic110 claims97%
- Brand-name and other3 claims3%
Dr. Siguenza'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. Siguenza's Part D claims, 2024
- Opioids10%11 of 113 claims
- Antibiotics33%37 of 113 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
How Dr. Karin Lilly Siguenza takes part in Medicare
Dr. Siguenza accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Karin Lilly Siguenza graduated from Georgetown University School Of Medicine
Dr. Siguenza graduated from Georgetown University School Of Medicine in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Karin Lilly Siguenza accepts plans from 6 insurance carriers
Dr. Siguenza is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- United Healthcare
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- Elevance
- HCSC
Plan types Dr. Siguenza accepts, by number of carriers
- PPO3
- Medicare2
- POS2
- EPO1
- HMO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Karin Lilly Siguenza'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) |
| 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. Karin Lilly Siguenza
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. Karin Lilly Siguenza's NPI number?
Dr. Karin Lilly Siguenza's NPI number is 1457989394. It was assigned on March 27, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Karin Lilly Siguenza?
Dr. Karin Lilly Siguenza is an emergency medicine physician in Whittier, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Karin Lilly Siguenza practice?
Dr. Siguenza practices at 12401 Washington Blvd, Whittier, CA 90602. Dr. Siguenza's primary practice is PIH Health Whittier Hospital in Whittier, California, part of PIH Health. Dmand AI also links Dr. Siguenza to 3 hospitals and 3 medical groups.
What is Dr. Karin Lilly Siguenza's office phone number?
The practice phone on file for Dr. Siguenza is (562) 698-0811.
What is Dr. Karin Lilly Siguenza's medical license number?
Dr. Siguenza holds California license A181013.
Which hospitals is Dr. Karin Lilly Siguenza affiliated with?
Dr. Siguenza practices at PIH Health Whittier Hospital in Whittier, California. Dr. Siguenza is also affiliated with Harbor-UCLA Medical Center. Dmand AI links Dr. Siguenza to 3 more hospitals.
What medical group is Dr. Karin Lilly Siguenza part of?
Dr. Siguenza is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Siguenza to 3 more medical groups.
Does Dr. Karin Lilly Siguenza accept Medicare?
Yes. CMS data shows Dr. Siguenza billed Medicare for 125 services in 2024, and Dr. Siguenza accepts Medicare assignment.
How many Medicare patients does Dr. Karin Lilly Siguenza see?
CMS counts 93 Medicare patients who saw Dr. Siguenza in 2024, with an average age of 76.
What services does Dr. Karin Lilly Siguenza bill to Medicare?
In 2024, Dr. Siguenza's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and critical care (99291).
Show 4 more questionsShow fewer questions
Where did Dr. Karin Lilly Siguenza go to medical school?
Dr. Siguenza graduated from Georgetown University School Of Medicine in 2020.
What drugs does Dr. Karin Lilly Siguenza prescribe most?
In 2024 Medicare Part D data, Dr. Siguenza's most prescribed drugs by claims were Cephalexin.
How long has Dr. Karin Lilly Siguenza been practicing?
Dr. Siguenza graduated from medical school in 2020, 6 years ago.
What insurance does Dr. Karin Lilly Siguenza accept?
Dr. Siguenza is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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