Janelle Castellino, MD, PHARMD
Rheumatology Physician · Los Angeles, CA
Janelle Castellino, MD, PHARMD is a rheumatology physician with a practice address in Los Angeles, California, and NPI 1851716039, issued on Feb 25, 2014. Check the license (California A202314, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Janelle Castellino
- Credential
- MD, PHARMD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License numbers
- A202314 CA
125.079567 IL
18670 NV
03131944 OH
Self-reported in NPPES; status is on the state search - Practice location
- 757 Westwood Plz, Los Angeles, CA 90095
- Phone
- (310) 825-7992
- Enumerated
- Feb 25, 2014
- Record last updated
- Jun 18, 2025
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Also registered at 757 Westwood Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Janelle Castellino in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A202314Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average rheumatology physician in 2024
116 Medicare Part D claims for 45 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D.
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.
Janelle Castellino among 926 rheumatology physician records in California
Janelle Castellino, MD, PHARMD is one of 926 rheumatology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 79% of them.
- NPI issued2014 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2025 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in California
There are 926 rheumatology physician records in California.
All 926 in California → Every provider in Los Angeles → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Ernest Brahn, MDLos Angeles, CA 900951528092079
- Ken Bulpitt, MDLos Angeles, CA 900951619902764
- Philip Clements, MDLos Angeles, CA 900951811913924
- Meika Fang, MDLos Angeles, CA 900951801821095
- John Fitzgerald, MDLos Angeles, CA 900951841215027
- Alan Gorn, MDLos Angeles, CA 900951952321176
- Jennifer Grossman, MDLos Angeles, CA 900951548289820
- Bevra Hahn, MDLos Angeles, CA 900951992723936
Common questions
What is Janelle Castellino, MD, PHARMD's NPI number?
Janelle Castellino, MD, PHARMD's National Provider Identifier (NPI) is 1851716039, issued on Feb 25, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Janelle Castellino, MD, PHARMD located?
The NPPES record lists a practice address at 757 Westwood Plz, Los Angeles, CA, 90095. Phone: (310) 825-7992. Providers update this record themselves, so call before visiting.
How can I verify Janelle Castellino, MD, PHARMD's license?
NPPES lists California license number A202314, 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 Janelle Castellino, MD, PHARMD prescribe under Medicare Part D?
In 2024, Janelle Castellino, MD, PHARMD had 116 Medicare Part D claims for 45 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.