Rosalind Frances Hudson, M.D.
Internal Medicine Physician · Larkspur, CA
Rosalind Frances Hudson, M.D. is an internal medicine physician with a practice address in Larkspur, California, and NPI 1528122900, issued on Dec 20, 2006. Check the license (California A043405, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Rosalind Frances Hudson
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A043405 CA
Self-reported in NPPES; status is on the state search - Practice location
- 275 Magnolia Ave, Larkspur, CA 94939
- Phone
- (415) 924-6010
- Enumerated
- Dec 20, 2006
- Record last updated
- Nov 15, 2011 (not updated in 15 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 275 Magnolia Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Keith Denkler, M.D.Plastic Surgery Physician1881783041
Verify Rosalind Frances Hudson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A043405Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
20 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 65% of claims.
Most prescribed
- Eliquis12 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.
Industry payments in 2024: $164.98
6 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Rosalind Frances Hudson among 17,696 internal medicine physician records in California
Rosalind Frances Hudson, M.D. is one of 17,696 internal medicine 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2011 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 internal medicine physician records list a practice address in Larkspur
They are 7 of the 291 NPPES records with a practice address in Larkspur, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Larkspur → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Alaric Akashi, MDLarkspur, CA 949391285784264
- Katherine Chick, M.DLarkspur, CA 949391386855567
- Robert DorisLarkspur, CA 949391528647096
- Marvin Freid, M.D.Larkspur, CA 949391639602923
- Oana Klein, MDLarkspur, CA 949391427240647
- Willie Tang, MDLarkspur, CA 949391215513890
- Holly Batterman, M.D.Mill Valley, CA 949411124138276
- Kathy Chang-Lipsenthal, MDMill Valley, CA 949411356340079
Common questions
What is Rosalind Frances Hudson, M.D.'s NPI number?
Rosalind Frances Hudson, M.D.'s National Provider Identifier (NPI) is 1528122900, issued on Dec 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Rosalind Frances Hudson, M.D. located?
The NPPES record lists a practice address at 275 Magnolia Ave, Larkspur, CA, 94939. Phone: (415) 924-6010. Providers update this record themselves, so call before visiting.
How can I verify Rosalind Frances Hudson, M.D.'s license?
NPPES lists California license number A043405, 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 Rosalind Frances Hudson, M.D. prescribe under Medicare Part D?
In 2024, Rosalind Frances Hudson, M.D. had 20 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.