Chiara Maruggi
Gastroenterology Physician · San Diego, CA
Chiara Maruggi is a gastroenterology physician with a practice address in San Diego, California, and NPI 1578094132, issued on Mar 24, 2017. Check the license (California A194472, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Chiara Maruggi
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A194472 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3811 Valley Centre Dr, San Diego, CA 92130
- Phone
- (858) 764-3200
- Enumerated
- Mar 24, 2017
- Record last updated
- Jul 8, 2024
- Medicare enrollment
- Enrolled (PECOS I20240719001058); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 3811 Valley Centre Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Gregory Babikian, M.D.Internal Medicine Physician1497719892
Verify Chiara Maruggi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A194472Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average gastroenterology physician in 2024
72 Medicare Part D claims for 49 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf25 claims
- Famotidine13 claims
- Pantoprazole Sodium11 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.
Industry payments in 2024: $683.38
15 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Scientific Affairs, LLC. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Scripps HealthSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chiara Maruggi among 2,140 gastroenterology physician records in California
Chiara Maruggi is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 91% of them.
- NPI issued2017 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2017 · median 2002 among the 1,538 with a school on file
- Record last updated2024 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in San Diego → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Caroline Diamant, M.D.San Diego, CA 921301346345949
- Brett Sadowski, M.D.San Diego, CA 921301669810701
- Thuy Anh Le, M.D.San Diego, CA 921311811163926
- Erin Song, MDSan Diego, CA 921311275094344
- Joshua Steichen, M.D.San Diego, CA 921311659503688
- John Lyons, M.D.San Diego, CA 921281417156068
- Kristina Seeger, M.D.San Diego, CA 921281598022303
- Emily Singh, M.D.San Diego, CA 921281548370935
Common questions
What is Chiara Maruggi's NPI number?
Chiara Maruggi's National Provider Identifier (NPI) is 1578094132, issued on Mar 24, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Chiara Maruggi located?
The NPPES record lists a practice address at 3811 Valley Centre Dr, San Diego, CA, 92130. Phone: (858) 764-3200. Providers update this record themselves, so call before visiting.
How can I verify Chiara Maruggi's license?
NPPES lists California license number A194472, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Chiara Maruggi prescribe under Medicare Part D?
In 2024, Chiara Maruggi had 72 Medicare Part D claims for 49 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.