Joanna Kathleen Nelson, M.D.
Infectious Disease Physician · Stanford, CA
Joanna Kathleen Nelson, M.D. is an infectious disease physician with a practice address in Stanford, California, and NPI 1144458464, issued on Jun 25, 2009. Check the license (California A124993, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joanna Kathleen Nelson
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License numbers
- A124993 CA
MD13874 RI
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Jun 25, 2009
- Record last updated
- Apr 15, 2024
- Medicare enrollment
- Enrolled (PECOS I20161115002488); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Also registered at 300 Pasteur Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joanna Kathleen Nelson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A124993Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average infectious disease physician in 2024
269 Medicare Part D claims for 64 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Azithromycin32 claims
- Ethambutol Hcl27 claims
- Posaconazole24 claims
- Isoniazid22 claims
- Sulfamethoxazole-Trimethoprim17 claims
- Ciprofloxacin Hcl15 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital affiliation
- Stanford Health CareStanford, CA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Joanna Kathleen Nelson among 1,119 infectious disease physician records in California
Joanna Kathleen Nelson, M.D. is one of 1,119 infectious disease physician records with a practice address in California. 79% 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 66% of them.
- NPI issued2009 · 66% of these records are older, 31% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2009 · median 2003 among the 735 with a school on file
- Record last updated2024 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
58 infectious disease physician records list a practice address in Stanford
They are 58 of the 5,606 NPPES records with a practice address in Stanford, and 1,119 infectious disease physician records in California.
All 1,119 in California → Every provider in Stanford → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Eran Bendavid, MDStanford, CA 943051144330069
- Brian Blackburn, MDStanford, CA 943051861542680
- Catherine Blish, MDStanford, CA 943051710067285
- Hector Bonilla, MDStanford, CA 943051225115371
- Philip Grant, MDStanford, CA 943051205949070
- Michael Harbour, MDStanford, CA 943051013022169
- Dora Ho, MDStanford, CA 943051619032224
- Shanthi Kappagoda, M.D.Stanford, CA 943051720195381
Common questions
What is Joanna Kathleen Nelson, M.D.'s NPI number?
Joanna Kathleen Nelson, M.D.'s National Provider Identifier (NPI) is 1144458464, issued on Jun 25, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Joanna Kathleen Nelson, M.D. located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Joanna Kathleen Nelson, M.D.'s license?
NPPES lists California license number A124993, 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 Joanna Kathleen Nelson, M.D. prescribe under Medicare Part D?
In 2024, Joanna Kathleen Nelson, M.D. had 269 Medicare Part D claims for 64 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Joanna Kathleen Nelson, M.D.'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.