Christian Joaquin
Hospitalist Physician · Roseville, CA
Christian Joaquin is a hospitalist physician with a practice address in Roseville, California, and NPI 1821558495, issued on Mar 21, 2019. Check the license (California 20A22817, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christian Joaquin
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 20A22817 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Medical Plaza Dr, Roseville, CA 95661
- Phone
- (916) 733-3777
- Enumerated
- Mar 21, 2019
- Record last updated
- Feb 28, 2025
- Medicare enrollment
- Enrolled (PECOS I20241029001544); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 1 Medical Plaza Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ali Ahmed, M.D.Hospitalist Physician1144485822
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- Ikram Al-Doori, MDHospitalist Physician1801477906
Verify Christian Joaquin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A22817Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average hospitalist physician in 2024
82 Medicare Part D claims for 33 beneficiaries, against an average of 521 among the 21,613 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.
Bills Medicare through one group practice
- Sutter Valley Medical FoundationRoseville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christian Joaquin among 3,099 hospitalist physician records in California
Christian Joaquin is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 81% of them.
- NPI issued2019 · 81% of these records are older, 15% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2020 · median 2010 among the 2,505 with a school on file
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
53 hospitalist physician records list a practice address in Roseville
They are 53 of the 5,340 NPPES records with a practice address in Roseville, and 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Roseville → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Terri Bigler, M.D.Roseville, CA 956611982716205
- Carmen-Florina Bujor, MDRoseville, CA 956611376621052
- Marylou Bullen, MDRoseville, CA 956611861570509
- Anthony Carlile, MDRoseville, CA 956611124106893
- Gurjeet Duhra, MDRoseville, CA 956611467530907
- Jeffrey Genzlinger, MDRoseville, CA 956611619088937
- Robert Jobe, MDRoseville, CA 956611598843203
- Diwakar Lingam, M.D.Roseville, CA 956611952324311
Common questions
What is Christian Joaquin's NPI number?
Christian Joaquin's National Provider Identifier (NPI) is 1821558495, issued on Mar 21, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Christian Joaquin located?
The NPPES record lists a practice address at 1 Medical Plaza Dr, Roseville, CA, 95661. Phone: (916) 733-3777. Providers update this record themselves, so call before visiting.
How can I verify Christian Joaquin's license?
NPPES lists California license number 20A22817, 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 Christian Joaquin prescribe under Medicare Part D?
In 2024, Christian Joaquin had 82 Medicare Part D claims for 33 beneficiaries; the average among hospitalist physician prescribers was 521. 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.