Hannah Louise Stein Watson
Hospitalist Physician · Santa Rosa, CA
Hannah Louise Stein Watson is a hospitalist physician with a practice address in Santa Rosa, California, and NPI 1225397375, issued on May 10, 2012. Check the license (California A148998, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hannah Louise Stein Watson
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A148998 CA
Self-reported in NPPES; status is on the state search - Practice location
- 751 Lombardi CT, Santa Rosa, CA 95407
- Phone
- (707) 547-2222
- Enumerated
- May 10, 2012
- Record last updated
- Feb 24, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190429001837); accepts Medicare assignment
- Medical or professional school
- Warren Alpert Medical School Of Brown University, 2012
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 751 Lombardi CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Hannah Louise Stein Watson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A148998Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average hospitalist physician in 2024
284 Medicare Part D claims for 21 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Atorvastatin Calcium17 claims
- Buprenorphine-Naloxone13 claims
- Escitalopram Oxalate12 claims
- Hydrochlorothiazide12 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
- Santa Rosa Community Health CentersSanta Rosa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hannah Louise Stein Watson among 3,099 hospitalist physician records in California
Hannah Louise Stein Watson 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 2012, is newer than 51% of them.
- NPI issued2012 · 51% of these records are older, 44% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2012 · 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 Santa Rosa → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Mujeeb Altaf, MBBS.,MRCP(UK)Santa Rosa, CA 954051316125941
- Jill Kaplan, MDSanta Rosa, CA 954051710118849
- Song Lu, MDSanta Rosa, CA 954051346864709
- Hachem Nasri, M.D.Santa Rosa, CA 954051235576893
- Punita Pandya, M.D.Santa Rosa, CA 954051841687928
- Rudy Santos, MDSanta Rosa, CA 954051336149749
- Jonathan Chung, MDSanta Rosa, CA 954031598256414
- Neha GargSanta Rosa, CA 954031134360902
Common questions
What is Hannah Louise Stein Watson's NPI number?
Hannah Louise Stein Watson's National Provider Identifier (NPI) is 1225397375, issued on May 10, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Hannah Louise Stein Watson located?
The NPPES record lists a practice address at 751 Lombardi CT, Santa Rosa, CA, 95407. Phone: (707) 547-2222. Providers update this record themselves, so call before visiting.
How can I verify Hannah Louise Stein Watson's license?
NPPES lists California license number A148998, 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 Hannah Louise Stein Watson prescribe under Medicare Part D?
In 2024, Hannah Louise Stein Watson had 284 Medicare Part D claims for 21 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.