Constantin Siclovan, M. D.
Internal Medicine Physician · Surprise, AZ
Constantin Siclovan, M. D. is an internal medicine physician with a practice address in Surprise, Arizona, and NPI 1164613675, issued on Aug 8, 2007. Check the license (Arizona 21719, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Constantin Siclovan
- Credential
- M. D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 21719 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 14973 W Bell RD Ste 100, Surprise, AZ 85374
- Phone
- (623) 815-2900
- Enumerated
- Aug 8, 2007
- Record last updated
- Jun 21, 2024
- Fax
- (623) 583-1319
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 14973 W Bell RD Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Bradley Hall, PA-CPhysician Assistant1295761153
- Kishor Mehta, MDInternal Medicine Physician1609878263
- Nkemdirim Obiora, NP-CFamily Nurse Practitioner1497258727
- Emily SepichFamily Nurse Practitioner1952786097
Verify Constantin Siclovan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 21719Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% more Medicare Part D claims than the average internal medicine physician in 2024
4,573 Medicare Part D claims for 603 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Levothyroxine Sodium404 claims
- Atorvastatin Calcium348 claims
- Amlodipine Besylate263 claims
- Simvastatin200 claims
- Metformin Hcl189 claims
- Lisinopril186 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 30.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Constantin Siclovan among 2,853 internal medicine physician records in Arizona
Constantin Siclovan, M. D. is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 47% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2024 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
32 internal medicine physician records list a practice address in Surprise
They are 32 of the 2,121 NPPES records with a practice address in Surprise, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Surprise → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Julaiha Ariff, MDSurprise, AZ 853741831188689
- Jagdeep Bains, M.DSurprise, AZ 853741013966621
- Barbara Bialowolska-Romaniuk, M.D.Surprise, AZ 853741114946621
- Sharon Hernly, RN, MSN, ANP, CGNPSurprise, AZ 853741760471510
- Ramit Kahlon, MDSurprise, AZ 853741841267614
- Amardeep Majhail, MDSurprise, AZ 853741043325483
- Kishor Mehta, MDSurprise, AZ 853741609878263
- Nestor Nazareno, M.D.Surprise, AZ 853741386617629
Common questions
What is Constantin Siclovan, M. D.'s NPI number?
Constantin Siclovan, M. D.'s National Provider Identifier (NPI) is 1164613675, issued on Aug 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Constantin Siclovan, M. D. located?
The NPPES record lists a practice address at 14973 W Bell RD Ste 100, Surprise, AZ, 85374. Phone: (623) 815-2900. Providers update this record themselves, so call before visiting.
How can I verify Constantin Siclovan, M. D.'s license?
NPPES lists Arizona license number 21719, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Constantin Siclovan, M. D. prescribe under Medicare Part D?
In 2024, Constantin Siclovan, M. D. had 4,573 Medicare Part D claims for 603 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Constantin Siclovan, M. D.'s MIPS final score?
The 2023 MIPS final score is 30.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.