Katarina Guzman, MD
Hospitalist Physician · San Jose, CA
Katarina Guzman, MD is a hospitalist physician with a practice address in San Jose, California, and NPI 1598737645, issued on Feb 3, 2006. Check the license (California C53016, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Katarina Guzman
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- C53016 CA
39054 MN
Self-reported in NPPES; status is on the state search - Practice location
- 2585 Samaritan Dr, San Jose, CA 95124
- Phone
- (408) 278-3000
- Enumerated
- Feb 3, 2006
- Record last updated
- Oct 25, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicaid ID
- 210820800 MA
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 2585 Samaritan Dr
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Verify Katarina Guzman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C53016Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average hospitalist physician in 2024
145 Medicare Part D claims for 44 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
Most prescribed
- Albuterol Sulfate Hfa11 claims
- Prednisone11 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.
Katarina Guzman among 3,099 hospitalist physician records in California
Katarina Guzman, MD 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 73% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileNo · 81% of these records are
- Record last updated2017 · 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).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in San Jose → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Nisha Sandesara, M.D.San Jose, CA 951241316226061
- Chandana Bommireddy, M.DSan Jose, CA 951231356665293
- James Guetzkow, M.D., C.D.E.San Jose, CA 951251801906995
- Mukhammad Bobur Sultanov, MDSan Jose, CA 951251982284329
- Sushil Adhikari, M.D.San Jose, CA 951281295907301
- Randi Kestler, M.D.San Jose, CA 951281780909242
- Brandon Kobayashi, MDSan Jose, CA 951281679078257
- Neelima Komatineni, M.D.San Jose, CA 951281225064108
Common questions
What is Katarina Guzman, MD's NPI number?
Katarina Guzman, MD's National Provider Identifier (NPI) is 1598737645, issued on Feb 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Katarina Guzman, MD located?
The NPPES record lists a practice address at 2585 Samaritan Dr, San Jose, CA, 95124. Phone: (408) 278-3000. Providers update this record themselves, so call before visiting.
How can I verify Katarina Guzman, MD's license?
NPPES lists California license number C53016, 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 Katarina Guzman, MD prescribe under Medicare Part D?
In 2024, Katarina Guzman, MD had 145 Medicare Part D claims for 44 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.