NPPES file of Aug 9, 2026

Hannah Hosotani

Family Medicine Physician · San Carlos, CA

Hannah Hosotani is a family medicine physician with a practice address in San Carlos, California, and NPI 1851822969, issued on Mar 22, 2017. Check the license (California 20739, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851822969
Name
Hannah Hosotani
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
20739 CA
Self-reported in NPPES; status is on the state search
Practice location
301 Industrial RD, San Carlos, CA 94070
Phone
(650) 596-4100
Enumerated
Mar 22, 2017
Record last updated
Jul 14, 2026
Medicare enrollment
Enrolled (PECOS I20200710001488); accepts Medicare assignment
Medical or professional school
Nova Southeastern Univ College Of Dental Medicine, 2017
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 301 Industrial RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Maria Katrina Abad, AGPCNP-BCNurse Practitioner1306394952
  2. Maryam Adeel, M.D.Family Medicine Physician1285163998
  3. Jennifer Akazawa, MDFamily Medicine Physician1457971772
  4. Sarah Alamillo, PA-CPhysician Assistant1306349352
  5. Judith Alderman, N.P.Nurse Practitioner1407225121
  6. Omar Aljundi, NPNurse Practitioner1811464811

Verify Hannah Hosotani in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20739
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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94% fewer Medicare Part D claims than the average family medicine physician in 2024

202 Medicare Part D claims for 144 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Hannah Hosotani202
  2. Specialty average3,544

Most prescribed

  1. Amoxicillin-Clavulanate Potass33 claims
  2. Azithromycin26 claims
  3. Nitrofurantoin Mono-Macro20 claims
  4. Prednisone14 claims
  5. Albuterol Sulfate Hfa12 claims
  6. Doxycycline Hyclate12 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 76.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score64.0
  2. Costout of 100 · 30%57.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. City Medical OF Upper East Side PLLCNew York, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Hannah Hosotani among 17,133 family medicine physician records in California

Hannah Hosotani is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 79% of them.

  • NPI issued2017 · 79% of these records are older, 18% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2017 · median 2005 among the 10,652 with a school on file
  • Record last updated2026 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

35 family medicine physician records list a practice address in San Carlos

They are 35 of the 1,015 NPPES records with a practice address in San Carlos, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Kerri Ashling, MDSan Carlos, CA 940701154373587
  2. Catherine Baker, M.D.San Carlos, CA 940701639181852
  3. Richard Barrick, M.D.San Carlos, CA 940701629145040
  4. Margaret Chan, M.D.San Carlos, CA 940701265517791
  5. Kevin Chen, M.D.San Carlos, CA 940701881774420
  6. Steven Harris, M.D.San Carlos, CA 940701720298912
  7. Jolene Huie, MDSan Carlos, CA 940701235228867
  8. Karen Jackson, MDSan Carlos, CA 940701285786087

Common questions

What is Hannah Hosotani's NPI number?

Hannah Hosotani's National Provider Identifier (NPI) is 1851822969, issued on Mar 22, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Hannah Hosotani located?

The NPPES record lists a practice address at 301 Industrial RD, San Carlos, CA, 94070. Phone: (650) 596-4100. Providers update this record themselves, so call before visiting.

How can I verify Hannah Hosotani's license?

NPPES lists California license number 20739, 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 Hosotani prescribe under Medicare Part D?

In 2024, Hannah Hosotani had 202 Medicare Part D claims for 144 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Hannah Hosotani's MIPS final score?

The 2023 MIPS final score is 76.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.