NPPES file of Aug 9, 2026

Ingrid Linnea Larsson, M.D.

Internal Medicine Physician · Orinda, CA

Ingrid Linnea Larsson, M.D. is an internal medicine physician with a practice address in Orinda, California, and NPI 1114283322, issued on Apr 2, 2012. Check the license (California A130729, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1114283322
Name
Ingrid Linnea Larsson
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A130729 CA
Self-reported in NPPES; status is on the state search
Practice location
12 Camino Encinas, Orinda, CA 94563
Phone
(510) 204-8166
Enumerated
Apr 2, 2012
Record last updated
Mar 24, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(925) 254-0687
Medicare enrollment
Enrolled (PECOS I20160315000519); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 2012
Telehealth
Offers telehealth (CMS)
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 12 Camino Encinas

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

  1. Omeed Atefi, DOFamily Medicine Physician1073141099
  2. Jyothi Bachwani, M.D.Internal Medicine Physician1659489979
  3. John Carrigg, MDOtolaryngology Physician1285652859
  4. Anny Ching, M.D.Family Medicine Physician1376961490
  5. Jill Foley, M.D.Obstetrics & Gynecology Physician1174631709
  6. Marilyn Honegger, M.D.Obstetrics & Gynecology Physician1376548156

Verify Ingrid Linnea Larsson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A130729
    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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20% more Medicare Part D claims than the average internal medicine physician in 2024

3,809 Medicare Part D claims for 379 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 62 claims were for opioids.

  1. Ingrid Larsson3,809
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium329 claims
  2. Amlodipine Besylate256 claims
  3. Lisinopril151 claims
  4. Losartan Potassium130 claims
  5. Levothyroxine Sodium123 claims
  6. Simvastatin115 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.

Bills Medicare through one group practice

  1. Sutter Bay Medical FoundationOrinda, CA

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

Ingrid Linnea Larsson among 17,696 internal medicine physician records in California

Ingrid Linnea Larsson, 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 2012, is newer than 68% of them.

  • NPI issued2012 · 68% of these records are older, 29% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2012 · median 2004 among the 11,065 with a school on file
  • Record last updated2016 · 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).

21 internal medicine physician records list a practice address in Orinda

They are 21 of the 278 NPPES records with a practice address in Orinda, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Jyothi Bachwani, M.D.Orinda, CA 945631659489979
  2. Michelle Bricker, M.D.Orinda, CA 945631952353963
  3. Sandra Goldstein, M.D.Orinda, CA 945631467496984
  4. Michele Herman, M.D.Orinda, CA 945631588600753
  5. Melvin Huie, M.D.Orinda, CA 945631376501551
  6. Anita Krishnamurthy, M.D.Orinda, CA 945631811973092
  7. Mary Miller, M.D.Orinda, CA 945631235245770
  8. Michelle Ong, M.D.Orinda, CA 945631871671594

Common questions

What is Ingrid Linnea Larsson, M.D.'s NPI number?

Ingrid Linnea Larsson, M.D.'s National Provider Identifier (NPI) is 1114283322, issued on Apr 2, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Ingrid Linnea Larsson, M.D. located?

The NPPES record lists a practice address at 12 Camino Encinas, Orinda, CA, 94563. Phone: (510) 204-8166. Providers update this record themselves, so call before visiting.

How can I verify Ingrid Linnea Larsson, M.D.'s license?

NPPES lists California license number A130729, 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 Ingrid Linnea Larsson, M.D. prescribe under Medicare Part D?

In 2024, Ingrid Linnea Larsson, M.D. had 3,809 Medicare Part D claims for 379 beneficiaries; 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.