Giuliana Cilliani, PA-C
Physician Assistant · Fontana, CA
Giuliana Cilliani, PA-C is a physician assistant with a practice address in Fontana, California, and NPI 1043504913, issued on Jun 7, 2011. Check the license (California PA21255, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Giuliana Cilliani
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA21255 CA
Self-reported in NPPES; status is on the state search - Practice location
- 16465 Sierra Lakes Pkwy Ste 300, Fontana, CA 92336
- Phone
- (909) 429-2864
- Enumerated
- Jun 7, 2011
- Record last updated
- Mar 7, 2022
- Medicare enrollment
- Enrolled (PECOS I20121003000346); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 16465 Sierra Lakes Pkwy Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rishma Bhatt, NPFamily Nurse Practitioner1255000493
- Andrew Camargo, FNP-CFamily Nurse Practitioner1164318622
- Hannah Chan, MDFamily Medicine Physician1093465791
- Carla Gonzalez, FNP-CFamily Nurse Practitioner1518470921
- Natalie Herrera, PA-CPhysician Assistant1407237498
- Jackeline Lopez, PA-C, RDNPhysician Assistant1295246692
Verify Giuliana Cilliani in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA21255Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8.2 times the Medicare Part D claims of the average physician assistant in 2024
6,806 Medicare Part D claims for 1,222 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 99 claims were for opioids.
Most prescribed
- Atorvastatin Calcium681 claims
- Losartan Potassium336 claims
- Lisinopril323 claims
- Levothyroxine Sodium318 claims
- Amlodipine Besylate307 claims
- Metformin Hcl303 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.
Bills Medicare through one group practice
- Cucamonga Valley Medical Group IncUpland, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Giuliana Cilliani among 14,451 physician assistant records in California
Giuliana Cilliani, PA-C is one of 14,451 physician assistant records with a practice address in California. 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 2011, is newer than 30% of them.
- NPI issued2011 · 30% of these records are older, 67% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2010 · median 2018 among the 7,214 with a school on file
- Record last updated2022 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
97 physician assistant records list a practice address in Fontana
They are 97 of the 3,012 NPPES records with a practice address in Fontana, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Fontana → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Martha Ajca, P.A.CFontana, CA 923361396175758
- Yaw Asamoah, PA-CFontana, CA 923361083917439
- Khristine Marie Bueno, PA-CFontana, CA 923361811356439
- Lauren Crostic, PA-CFontana, CA 923361215385448
- Natalie Herrera, PA-CFontana, CA 923361407237498
- Emanuel Jean-Pierre, PA-CFontana, CA 923361649306457
- Michelle Laksana, PA-CFontana, CA 923361851709414
- Jackeline Lopez, PA-C, RDNFontana, CA 923361295246692
Common questions
What is Giuliana Cilliani, PA-C's NPI number?
Giuliana Cilliani, PA-C's National Provider Identifier (NPI) is 1043504913, issued on Jun 7, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Giuliana Cilliani, PA-C located?
The NPPES record lists a practice address at 16465 Sierra Lakes Pkwy Ste 300, Fontana, CA, 92336. Phone: (909) 429-2864. Providers update this record themselves, so call before visiting.
How can I verify Giuliana Cilliani, PA-C's license?
NPPES lists California license number PA21255, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Giuliana Cilliani, PA-C prescribe under Medicare Part D?
In 2024, Giuliana Cilliani, PA-C had 6,806 Medicare Part D claims for 1,222 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
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.