Nicholas Sikic, M.D,
NPI 1356590764 · Pediatrics Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Sikic, M.D, is a Pediatrics Physician provider in Tucson, AZ (NPI 1356590764).
Provider details
- NPI number
- 1356590764
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D,
- Sex
- Male
- Sole proprietor
- Yes
- License
- R71046 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-09-10
- Last updated
- 2008-09-10
Frequently asked questions
- What is Nicholas Sikic's NPI number?
- Nicholas Sikic's National Provider Identifier (NPI) is 1356590764, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Sikic's specialty?
- Nicholas Sikic is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Sikic located?
- Nicholas Sikic's practice location on file with NPPES is 1501 N Campbell Ave, Tucson, AZ 85724-0001.
- What is Nicholas Sikic's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Sikic is (520) 694-6000.
- Does Nicholas Sikic accept Medicare?
- Nicholas Sikic is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Sikic's NPI active?
- Yes — Nicholas Sikic's NPI (1356590764) is active in the NPPES registry as of the last update on 2008-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.