Dr. Homan Siman, MD
- Medicare services, 2024
- 423
- Medicare patients, 2024
- 111
- Part D claims, 2024
- 422
- Hospital affiliations
- 2
- Industry payments
- $1,744
- Practice address
- 1231 N Avalon Blvd, Wilmington, CA 90744
- Practice phone
- Call (310) 835-1486
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Complete Care Family Medical Clinic
Clinical Lab - Basic Testing Only · Wilmington, California
Find Dr. Siman's professional email, personal email and mobile number
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Dr. Homan Siman is an internist in Wilmington, California
Dr. Siman practices at Complete Care Family Medical Clinic in Wilmington, California.
Dr. Siman's NPI, 1558456814, was assigned on October 4, 2006. Dr. Siman holds California license A83240.
- NPI
- 1558456814NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7719926849
- NPI enumeration date
- October 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (310) 835-1486
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Homan Siman practices at Complete Care Family Medical Clinic in Wilmington, California
Dr. Siman's primary practice is Complete Care Family Medical Clinic, at 1231 N Avalon Blvd, Wilmington, CA 90744. The practice phone is (310) 835-1486.
- Complete Care Family Medical Clinic1231 N Avalon Blvd, Wilmington, CA 90744Phone(310) 835-1486
Source: Dmand AI Affiliation Data
Dr. Homan Siman is affiliated with 5 sites of care and 2 medical groups
Dr. Siman's primary practice is Complete Care Family Medical Clinic in Wilmington, California. Dr. Siman is also affiliated with Eisenhower Health. The medical group on file is Complete Care Family Medical Clinic. Dmand AI also links Dr. Siman to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account. Dr. Siman's employer is on file too: a clinical lab.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Homan Siman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Siman practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Complete Care Family Medical Clinic | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Homan Siman is one of 16,751 internists in California
Internal medicine is Dr. Siman's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Siman is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Siman
Counts of internists 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. Homan Siman billed Medicare for 423 services in 2024
CMS data shows 423 Medicare services from Dr. Siman across 6 procedure codes in 2024, for 111 Medicare patients. Medicare paid $13,639 for them. Every service was in an office.
Dr. Siman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3432024: 22435%
- Surgery
- 2023: 1512024: 13014%
- Other services
- 2023: 922024: 3760%
- Tests and treatments
- 2023: 1312024: 3276%
- Drugs given in the office
- 2023: 212024: 0100%
- Lab and pathology
- 2023: 182024: 0100%
Dr. Siman compared with the California median for internists, 2024
- Dr. Siman
- California median
- Medicare services
- 423vs 36117% above
- Medicare patients
- 111vs 15126% below
- Part D claims
- 184vs 42156% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Siman'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Siman and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Homan Siman treated 111 Medicare patients in 2024, average age 68
CMS counts 111 Medicare patients who saw Dr. Siman in 2024. The largest group is 65 to 74, with 42 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 80% are also on Medicaid. Their average risk score is 1.52, 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. Siman's median patient age at 56, with 54% women.
Dr. Siman's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Siman's Medicare patients by sex, 2024
- Women7164%
- Men4036%
Chronic conditions among Dr. Siman's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes62%
- Arthritis34%
- Chronic kidney disease31%
- Mood disorders24%
- Depression23%
- Anxiety17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Siman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Homan Siman wrote 422 Medicare Part D claims in 2024
In 2024, Dr. Siman wrote 422 Medicare Part D claims for 79 patients. 83% of them were for generic drugs. CMS names the drug for 184 of them, across 9 drugs with 11 or more claims each, at $1,389 in total drug cost. In 2023, CMS named 85 claims across 5 drugs.
Dr. Siman's Part D claims by kind of drug, 2024
- Generic351 claims83%
- Brand-name and other71 claims17%
Dr. Siman'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 852024: 184116%
Drugs named by CMS: 9 in 2024, 5 in 2023.
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. Homan Siman offers telehealth to Medicare patients
Dr. Siman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Siman as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Homan Siman received $1,744 in industry payments from 2016 to 2025
CMS Open Payments shows 67 general payments to Dr. Siman from 25 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 91% of the total. Abbvie Inc. paid the most, $342.
General payments to Dr. Siman by program year, 2016 to 2025
General payments to Dr. Siman by kind, 2016 to 2025
- Food and beverage$1,59491%
- Speaker and faculty fees$1509%
Companies that paid Dr. Siman the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Homan Siman'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Homan Siman
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. Homan Siman's NPI number?
Dr. Homan Siman's NPI number is 1558456814. It was assigned on October 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Homan Siman?
Dr. Homan Siman is an internist in Wilmington, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Homan Siman practice?
Dr. Siman practices at 1231 N Avalon Blvd, Wilmington, CA 90744. Dr. Siman's primary practice is Complete Care Family Medical Clinic in Wilmington, California. Dmand AI also links Dr. Siman to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. Homan Siman's office phone number?
The practice phone on file for Dr. Siman is (310) 835-1486.
What is Dr. Homan Siman's medical license number?
Dr. Siman holds California license A83240.
Which hospitals is Dr. Homan Siman affiliated with?
Dr. Siman is affiliated with Eisenhower Health. Dmand AI links Dr. Siman to 1 more hospital.
What medical group is Dr. Homan Siman part of?
Dr. Siman is linked to Complete Care Family Medical Clinic. Dmand AI links Dr. Siman to 1 more medical group.
Does Dr. Homan Siman accept Medicare?
Yes. CMS data shows Dr. Siman billed Medicare for 423 services in 2024, and Dr. Siman accepts Medicare assignment.
Does Dr. Homan Siman offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Siman as offering telehealth services.
How many Medicare patients does Dr. Homan Siman see?
CMS counts 111 Medicare patients who saw Dr. Siman in 2024, with an average age of 68.
Show 4 more questionsShow fewer questions
What services does Dr. Homan Siman bill to Medicare?
In 2024, Dr. Siman's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99211) and office visit, established patient (99214).
What drugs does Dr. Homan Siman prescribe most?
In 2024 Medicare Part D data, Dr. Siman's most prescribed drugs by claims were Atorvastatin Calcium, Metformin HCl and Amlodipine Besylate.
Has Dr. Homan Siman received payments from drug or device companies?
CMS Open Payments shows $1,744 in general payments to Dr. Siman from 25 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Homan Siman been practicing?
Dr. Siman graduated from medical school in 2000, 26 years ago.
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