Anna Kristina O'Malley, M.D.
Family Medicine Physician · Stinson Beach, CA
Anna Kristina O'Malley, M.D. is a family medicine physician with a practice address in Stinson Beach, California, and NPI 1447459185, issued on Jul 13, 2007. Check the license (California A100464, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Anna Kristina O'Malley
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A100464 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3419 State Route 1, Stinson Beach, CA 94970
- Phone
- (415) 663-8781
- Enumerated
- Jul 13, 2007
- Record last updated
- Dec 30, 2010 (not updated in 16 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Anna Kristina O'Malley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A100464Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average family medicine physician in 2024
1,481 Medicare Part D claims for 182 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 98 claims were for opioids.
Most prescribed
- Levothyroxine Sodium67 claims
- Atorvastatin Calcium54 claims
- Losartan Potassium51 claims
- Hydrocodone-Acetaminophen50 claims
- Omeprazole45 claims
- Gabapentin39 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.
Anna Kristina O'Malley among 17,133 family medicine physician records in California
Anna Kristina O'Malley, M.D. 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2010 · 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).
Family Medicine Physician providers in California
There are 17,133 family medicine physician records in California.
All 17,133 in California → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kimberly Young, MDStinson Beach, CA 949701114000973
- Stephen Feig, DOWoodacre, CA 949731386769990
- Nadine Aldahhan, DOSausalito, CA 949651609202308
- Lissa Bernstein-Lawler, MDSausalito, CA 949651063239440
- Carianne Blomquist, D.O.Sausalito, CA 949651255528972
- Cheri Forrester, MDSausalito, CA 949651841237153
- John Robinson, MDSausalito, CA 949651578495123
- Naureen Shaikh, MDSausalito, CA 949651265470173
Common questions
What is Anna Kristina O'Malley, M.D.'s NPI number?
Anna Kristina O'Malley, M.D.'s National Provider Identifier (NPI) is 1447459185, issued on Jul 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Anna Kristina O'Malley, M.D. located?
The NPPES record lists a practice address at 3419 State Route 1, Stinson Beach, CA, 94970. Phone: (415) 663-8781. Providers update this record themselves, so call before visiting.
How can I verify Anna Kristina O'Malley, M.D.'s license?
NPPES lists California license number A100464, 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 Anna Kristina O'Malley, M.D. prescribe under Medicare Part D?
In 2024, Anna Kristina O'Malley, M.D. had 1,481 Medicare Part D claims for 182 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.