Hannah Katherine Day, MD
Student in an Organized Health Care Education/Training Program · Sacramento, CA
Hannah Katherine Day, MD is a student in an organized health care education/training program with a practice address in Sacramento, California, and NPI 1336835909, issued on Apr 17, 2023. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Hannah Katherine Day
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 4860 Y St # 1700, Sacramento, CA 95817
- Phone
- (503) 709-5561
- Enumerated
- Apr 17, 2023
- Record last updated
- Oct 27, 2023
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 40,652 in California → Look up another NPI →
Also registered at 4860 Y St # 1700
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sagar TelangStudent in an Organized Health Care Education/Training Program1982407409
Verify Hannah Katherine Day in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
24 Medicare Part D claims for 18 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 16 claims were for opioids.
Most prescribed
- Oxycodone Hcl14 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.
Hannah Katherine Day among 40,652 student in an organized health care education/training program records in California
Hannah Katherine Day, MD is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 42% of them.
- NPI issued2023 · 42% of these records are older, 47% newer
- In a Medicare fileYes · 16% of these records are
- In the CMS Doctors and Clinicians fileNo · 6% of these records are
- Record last updated2023 · 26% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,087 student in an organized health care education/training program records list a practice address in Sacramento
They are 2,087 of the 33,083 NPPES records with a practice address in Sacramento, and 40,652 student in an organized health care education/training program records in California.
All 40,652 in California → Every provider in Sacramento → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Sharon Chang, M.D.Sacramento, CA 958171093797201
- Kimberly DavisSacramento, CA 958171841483864
- Steven Elliott, M.D.Sacramento, CA 958171215918750
- Genevieve Garratt, PH.D.Sacramento, CA 958171730376815
- David Konczal, M.D.Sacramento, CA 958171225204043
- Jacqueline Letran, M.D.Sacramento, CA 958171669648499
- Adrian Palomino, M.D.Sacramento, CA 958171023205747
- Colin Parsons, M.D.Sacramento, CA 958171629059977
Common questions
What is Hannah Katherine Day, MD's NPI number?
Hannah Katherine Day, MD's National Provider Identifier (NPI) is 1336835909, issued on Apr 17, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Hannah Katherine Day, MD located?
The NPPES record lists a practice address at 4860 Y St # 1700, Sacramento, CA, 95817. Phone: (503) 709-5561. Providers update this record themselves, so call before visiting.
How can I verify Hannah Katherine Day, MD's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Hannah Katherine Day, MD prescribe under Medicare Part D?
In 2024, Hannah Katherine Day, MD had 24 Medicare Part D claims for 18 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.