Katrina Anne Comia Sandejas, MD
Infectious Disease Physician · Claremont, CA
Katrina Anne Comia Sandejas, MD is an infectious disease physician with a practice address in Claremont, California, and NPI 1992333538, issued on Mar 30, 2020. Check the license (California A200099, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Katrina Anne Comia Sandejas
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- A200099 CA
Self-reported in NPPES; status is on the state search - Practice location
- 935 W Foothill Blvd, Claremont, CA 91711
- Phone
- (626) 851-8880
- Enumerated
- Mar 30, 2020
- Record last updated
- Aug 2, 2025
- Medicare enrollment
- Enrolled (PECOS I20250730000033); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Also registered at 935 W Foothill Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sohanjeet Bassi, MDInfectious Disease Physician1609850635
- Nasima Begum, MDInfectious Disease Physician1578547519
- Karen Michelle Guiang, D.O.Infectious Disease Physician1871738344
- Deepthi Jayasekara, MDInfectious Disease Physician1366426306
- Hua Jiang, MDInfectious Disease Physician1821072844
Verify Katrina Anne Comia Sandejas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A200099Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average infectious disease physician in 2024
70 Medicare Part D claims for 12 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.
Most prescribed
- Biktarvy23 claims
- Atorvastatin Calcium14 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
- Streng Bassi Begum And Jiang Medical CorporationCovina, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katrina Anne Comia Sandejas among 1,119 infectious disease physician records in California
Katrina Anne Comia Sandejas, MD is one of 1,119 infectious disease physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 95% of them.
- NPI issued2020 · 95% of these records are older, 3% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2010 · median 2003 among the 735 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in California
There are 1,119 infectious disease physician records in California.
All 1,119 in California → Every provider in Claremont → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Sohanjeet Bassi, MDClaremont, CA 917111609850635
- Nasima Begum, MDClaremont, CA 917111578547519
- Karen Michelle Guiang, D.O.Claremont, CA 917111871738344
- Deepthi Jayasekara, MDClaremont, CA 917111366426306
- Hua Jiang, MDClaremont, CA 917111821072844
- Manie Beheshti, M.D.Baldwin Park, CA 917061891884904
- Gary Bluestone, DOBaldwin Park, CA 917061639227614
- Rosalina See-Prats, M.D.Baldwin Park, CA 917061407865595
Common questions
What is Katrina Anne Comia Sandejas, MD's NPI number?
Katrina Anne Comia Sandejas, MD's National Provider Identifier (NPI) is 1992333538, issued on Mar 30, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Katrina Anne Comia Sandejas, MD located?
The NPPES record lists a practice address at 935 W Foothill Blvd, Claremont, CA, 91711. Phone: (626) 851-8880. Providers update this record themselves, so call before visiting.
How can I verify Katrina Anne Comia Sandejas, MD's license?
NPPES lists California license number A200099, 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 Katrina Anne Comia Sandejas, MD prescribe under Medicare Part D?
In 2024, Katrina Anne Comia Sandejas, MD had 70 Medicare Part D claims for 12 beneficiaries; the average among infectious disease physician prescribers was 689. 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.