Dr. Constantin Siclovan, MD
- Medicare services, 2024
- 876
- Medicare patients, 2024
- 306
- Part D claims, 2024
- 4,573
- Industry payments
- $48
- Affiliated sites
- 2
- Practice address
- 13613 W Camino Del Sol, Sun City West, AZ 85375
- Practice phone
- Call (623) 584-7154
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Optum Primary Care
Sun City West, Arizona
Find Dr. Siclovan'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. Constantin Siclovan is an internist in Sun City West, Arizona
Dr. Siclovan practices at Optum Primary Care in Sun City West, Arizona.
Dr. Siclovan's NPI, 1164613675, was assigned on August 8, 2007. Dr. Siclovan holds Arizona license 21719.
- NPI
- 1164613675NPI Registry (opens in a new tab)
- NPI enumeration date
- August 8, 2007
- NPI status
- Active
- Practice phone
- (623) 584-7154
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Constantin Siclovan practices at Optum Primary Care in Sun City West, Arizona
Dr. Siclovan's primary practice is Optum Primary Care, at 13613 W Camino Del Sol, Sun City West, AZ 85375 in Maricopa County. The practice phone is (623) 584-7154.
- Optum Primary Care13613 W Camino Del Sol, Sun City West, AZ 85375 · Maricopa CountyPhone(623) 584-7154
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Constantin Siclovan is affiliated with 3 sites of care and 2 medical groups
Dr. Siclovan's primary practice is Optum Primary Care in Sun City West, Arizona. The medical group on file is Optum Primary Care - Black Canyon. Dmand AI also links Dr. Siclovan to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Constantin Siclovan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Siclovan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Optum Primary Care | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Constantin Siclovan is one of 2,420 internists in Arizona
Internal medicine is Dr. Siclovan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Siclovan is licensed in Arizona.
Specialties and state licenses
- Internal medicine, ArizonaPrimary
Internists near Dr. Siclovan
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. Constantin Siclovan billed Medicare for 876 services in 2024
CMS data shows 876 Medicare services from Dr. Siclovan across 8 procedure codes in 2024, for 306 Medicare patients. Medicare paid $68,690 for them. Every service was in an office.
Dr. Siclovan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9132024: 51344%
- Other services
- 2023: 6022024: 33844%
- Tests and treatments
- 2023: 1072024: 2577%
- Drugs given in the office
- 2023: 822024: 0100%
- Lab and pathology
- 2023: 122024: 0100%
Dr. Siclovan compared with the Arizona median for internists, 2024
- Dr. Siclovan
- Arizona median
- Medicare services
- 876vs 47684% above
- Medicare patients
- 306vs 20549% above
- Part D claims
- 3,945vs 26015.2 times
Medians across 2,300 internists in Arizona with Dmand AI profiles that report each measure.
Dr. Siclovan'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. Siclovan and other internists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Constantin Siclovan treated 306 Medicare patients in 2024, average age 81
CMS counts 306 Medicare patients who saw Dr. Siclovan in 2024. The largest group is 75 to 84, with 155 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.39, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Siclovan's median patient age at 81, with 47% women.
Dr. Siclovan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Siclovan's Medicare patients by sex, 2024
- Women17256%
- Men13444%
Chronic conditions among Dr. Siclovan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Chronic kidney disease49%
- Ischemic heart disease31%
- Heart failure29%
- Diabetes27%
- Anxiety25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Siclovan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 81
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Constantin Siclovan wrote 4,573 Medicare Part D claims in 2024
In 2024, Dr. Siclovan wrote 4,573 Medicare Part D claims for 603 patients. 91% of them were for generic drugs. CMS names the drug for 3,945 of them, across 71 drugs with 11 or more claims each, at $121,399 in total drug cost. In 2023, CMS named 5,940 claims across 92 drugs.
Dr. Siclovan's Part D claims by kind of drug, 2024
- Generic4,159 claims91%
- Brand-name391 claims9%
- Other23 claims1%
Dr. Siclovan'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. Siclovan's Part D claims, 2024
- Antibiotics1%51 of 4,573 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5,9402024: 3,94534%
Drugs named by CMS: 71 in 2024, 92 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
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Dr. Constantin Siclovan received $48 in industry payments from 2016 to 2023
CMS Open Payments shows 3 general payments to Dr. Siclovan from 3 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Bayer HealthCare Pharmaceuticals Inc. paid the most, $21.
General payments to Dr. Siclovan by program year, 2016 to 2023
Companies that paid Dr. Siclovan the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Constantin Siclovan'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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. Constantin Siclovan
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. Constantin Siclovan's NPI number?
Dr. Constantin Siclovan's NPI number is 1164613675. It was assigned on August 8, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Constantin Siclovan?
Dr. Constantin Siclovan is an internist in Sun City West, Arizona. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Constantin Siclovan practice?
Dr. Siclovan practices at 13613 W Camino Del Sol, Sun City West, AZ 85375. Dr. Siclovan's primary practice is Optum Primary Care in Sun City West, Arizona. Dmand AI also links Dr. Siclovan to 2 group practices and clinics and 1 medical group.
What is Dr. Constantin Siclovan's office phone number?
The practice phone on file for Dr. Siclovan is (623) 584-7154.
What is Dr. Constantin Siclovan's medical license number?
Dr. Siclovan holds Arizona license 21719.
What medical group is Dr. Constantin Siclovan part of?
Dr. Siclovan is linked to Optum Primary Care - Black Canyon. Dmand AI links Dr. Siclovan to 1 more medical group.
Does Dr. Constantin Siclovan accept Medicare?
Yes. CMS data shows Dr. Siclovan billed Medicare for 876 services in 2024.
How many Medicare patients does Dr. Constantin Siclovan see?
CMS counts 306 Medicare patients who saw Dr. Siclovan in 2024, with an average age of 81.
What services does Dr. Constantin Siclovan bill to Medicare?
In 2024, Dr. Siclovan's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99213).
What drugs does Dr. Constantin Siclovan prescribe most?
In 2024 Medicare Part D data, Dr. Siclovan's most prescribed drugs by claims were Levothyroxine Sodium, Atorvastatin Calcium and Amlodipine Besylate.
Has Dr. Constantin Siclovan received payments from drug or device companies?
CMS Open Payments shows $48 in general payments to Dr. Siclovan from 3 companies from 2016 to 2023. The largest total came from Bayer HealthCare Pharmaceuticals Inc.
How long has Dr. Constantin Siclovan been practicing?
Dr. Siclovan graduated from medical school in 1982, 44 years ago.
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