NPPES file of Aug 9, 2026

Kathryn Anderson, MD

Emergency Medicine Physician · San Diego, CA

Kathryn Anderson, MD is an emergency medicine physician with a practice address in San Diego, California, and NPI 1730640707, issued on Mar 30, 2019. Check the license (California A177926, 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
1730640707
Name
Kathryn Anderson
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
A177926 CA
74515 AZ
125.073868 IL
Self-reported in NPPES; status is on the state search
Practice location
4647 Zion Ave Ste 1116, San Diego, CA 92120
Phone
(619) 528-5164
Enumerated
Mar 30, 2019
Record last updated
Feb 9, 2025
Medicare enrollment
Enrolled (PECOS I20220914002245); accepts Medicare assignment
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 4647 Zion Ave Ste 1116

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

  1. Marlene Alfaro, MDStudent in an Organized Health Care Education/Training Program1669059820
  2. Katherine An, DOStudent in an Organized Health Care Education/Training Program1083417372
  3. Lindsey Ball, MDEmergency Medicine Physician1770995789
  4. Ashley Barley, MDStudent in an Organized Health Care Education/Training Program1326840547
  5. Lindsay Bucklin, MDStudent in an Organized Health Care Education/Training Program1578365771
  6. Angela ChenStudent in an Organized Health Care Education/Training Program1831940022

Verify Kathryn Anderson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A177926
    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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12% fewer Medicare Part D claims than the average emergency medicine physician in 2024

198 Medicare Part D claims for 149 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 28 claims were for opioids.

  1. Kathryn Anderson198
  2. Specialty average226

Most prescribed

  1. Amoxicillin-Clavulanate Potass14 claims
  2. Cefadroxil13 claims
  3. Cephalexin12 claims
  4. Oxycodone Hcl12 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): 94.6 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 score76.7
  2. Costout of 100 · 30%97.1
  3. Promoting interoperabilitynot scored (reweighted)
  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. Southern California Permanente Medical GroupSan Diego, CA

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

Kathryn Anderson among 7,751 emergency medicine physician records in California

Kathryn Anderson, MD is one of 7,751 emergency 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 2019, is newer than 85% of them.

  • NPI issued2019 · 85% of these records are older, 12% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2019 · median 2011 among the 4,560 with a school on file
  • Record last updated2025 · 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 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in California

There are 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Peter Berkman, M.D.San Diego, CA 921201851305478
  2. Kathy Cooper, D.O.San Diego, CA 921201891802716
  3. William Durkin, M.D.San Diego, CA 921201174514582
  4. James Foster, M.D.San Diego, CA 921201699781955
  5. David Frant, MDSan Diego, CA 921201174690028
  6. Steven Kohler, MDSan Diego, CA 921201942377858
  7. James Larson, M.D.San Diego, CA 921201972519189
  8. Minh Le, MDSan Diego, CA 921201609829142

Common questions

What is Kathryn Anderson, MD's NPI number?

Kathryn Anderson, MD's National Provider Identifier (NPI) is 1730640707, issued on Mar 30, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Kathryn Anderson, MD located?

The NPPES record lists a practice address at 4647 Zion Ave Ste 1116, San Diego, CA, 92120. Phone: (619) 528-5164. Providers update this record themselves, so call before visiting.

How can I verify Kathryn Anderson, MD's license?

NPPES lists California license number A177926, 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 Kathryn Anderson, MD prescribe under Medicare Part D?

In 2024, Kathryn Anderson, MD had 198 Medicare Part D claims for 149 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Kathryn Anderson, MD's MIPS final score?

The 2023 MIPS final score is 94.6 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.