Lorin M. Kreitzer, DO
Hospitalist Physician · Redwood City, CA
Lorin M. Kreitzer, DO is a hospitalist physician with a practice address in Redwood City, California, and NPI 1851479497, issued on Nov 1, 2006. Check the license (California 20A8855, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lorin M. Kreitzer
- Credential
- DO
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 20A8855 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1150 Veterans Blvd, Redwood City, CA 94063
- Phone
- (650) 299-2000
- Enumerated
- Nov 1, 2006
- Record last updated
- Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00AX88550 CA
- Medicare enrollment
- Enrolled (PECOS I20050922000312); accepts Medicare assignment
- Medical or professional school
- College Of Osteo Med Of The Pacific At Pomona, 2002
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 1150 Veterans Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lorin M. Kreitzer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A8855Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% fewer Medicare Part D claims than the average hospitalist physician in 2024
514 Medicare Part D claims for 186 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 12 claims were for opioids.
Most prescribed
- Furosemide31 claims
- Cefpodoxime Proxetil24 claims
- Doxycycline Monohydrate21 claims
- Pantoprazole Sodium20 claims
- Cephalexin18 claims
- Amoxicillin-Clavulanate Potass16 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
- Permanente Medical Group IncRedwood City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lorin M. Kreitzer among 3,099 hospitalist physician records in California
Lorin M. Kreitzer, DO 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 fileYes · 81% of these records are
- Graduated2002 · median 2010 among the 2,505 with a school on file
- Record last updated2021 · 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 Redwood City → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Lakshmi Bhandari, MDRedwood City, CA 940631710059563
- Stella Clavecilla, DORedwood City, CA 940631578641056
- Dorina Gheorghevici, MDRedwood City, CA 940631942388582
- Curtis Huynh, MDRedwood City, CA 940631477631018
- Poonam Kapadia, MDRedwood City, CA 940631770661365
- Ernest Lau, MDRedwood City, CA 940631255419842
- Jasmeen Pombra, MDRedwood City, CA 940631417035072
- Colin Reed, MDRedwood City, CA 940631215015854
Common questions
What is Lorin M. Kreitzer, DO's NPI number?
Lorin M. Kreitzer, DO's National Provider Identifier (NPI) is 1851479497, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lorin M. Kreitzer, DO located?
The NPPES record lists a practice address at 1150 Veterans Blvd, Redwood City, CA, 94063. Phone: (650) 299-2000. Providers update this record themselves, so call before visiting.
How can I verify Lorin M. Kreitzer, DO's license?
NPPES lists California license number 20A8855, 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 Lorin M. Kreitzer, DO prescribe under Medicare Part D?
In 2024, Lorin M. Kreitzer, DO had 514 Medicare Part D claims for 186 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.