Harmandeep Singh Tiwana
Hospitalist Physician · Chico, CA
Harmandeep Singh Tiwana is a hospitalist physician with a practice address in Chico, California, and NPI 1740413780, issued on Aug 25, 2009. Check the license (California A121271, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Harmandeep Singh Tiwana
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A121271 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3922 Barbados CT, Chico, CA 95973
- Phone
- (516) 233-0047
- Enumerated
- Aug 25, 2009
- Record last updated
- Nov 13, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20121029000319); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 3922 Barbados CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Harpreet TiwanaHospitalist Physician1902038292
Verify Harmandeep Singh Tiwana in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A121271Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average hospitalist physician in 2024
207 Medicare Part D claims for 99 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium17 claims
- Cephalexin13 claims
- Pantoprazole Sodium13 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
- Galen Inpatient Physicians PCHanford, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Harmandeep Singh Tiwana among 3,099 hospitalist physician records in California
Harmandeep Singh Tiwana 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 2009, is newer than 39% of them.
- NPI issued2009 · 39% of these records are older, 56% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2004 · median 2010 among the 2,505 with a school on file
- 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 Chico → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Kevin Brown, M.D.Chico, CA 959731376597609
- Forrest OlsonChico, CA 959731760434799
- Harpreet TiwanaChico, CA 959731902038292
- Sukhdeep Kaur, MDParadise, CA 959691164736708
- Pallavkumar Patel, M.D.Paradise, CA 959691194986919
- Eric Stokmanis, M.D.Paradise, CA 959691700819588
- Andre VenturiniParadise, CA 959691992978290
- Duke Ha, D.O.Oroville, CA 959661376981118
Common questions
What is Harmandeep Singh Tiwana's NPI number?
Harmandeep Singh Tiwana's National Provider Identifier (NPI) is 1740413780, issued on Aug 25, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Harmandeep Singh Tiwana located?
The NPPES record lists a practice address at 3922 Barbados CT, Chico, CA, 95973. Phone: (516) 233-0047. Providers update this record themselves, so call before visiting.
How can I verify Harmandeep Singh Tiwana's license?
NPPES lists California license number A121271, 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 Harmandeep Singh Tiwana prescribe under Medicare Part D?
In 2024, Harmandeep Singh Tiwana had 207 Medicare Part D claims for 99 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.