NPPES file of Aug 9, 2026

Erin Baroni, MD

Internal Medicine Physician · Sacramento, CA

Erin Baroni, MD is an internal medicine physician with a practice address in Sacramento, California, and NPI 1104355643, issued on Jun 8, 2017. Check the license (California A173100, 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
1104355643
Name
Erin Baroni
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
A173100 CA
173100 CA
Self-reported in NPPES; status is on the state search
Practice location
3160 Folsom Blvd Ste 2500, Sacramento, CA 95816
Phone
(916) 734-7777
Enumerated
Jun 8, 2017
Record last updated
Nov 1, 2024
Medicare enrollment
Enrolled (PECOS I20210816000592); accepts Medicare assignment
Medical or professional school
Texas Tech University Health Science Center School Of Medicine, 2017
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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8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →

Also registered at 3160 Folsom Blvd Ste 2500

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

  1. Evamae BayudanInternal Medicine Physician1710680939
  2. Elena Burtea, MDFamily Medicine Physician1376626663
  3. Katerina Christiansen, M.D.Internal Medicine Physician1699018499
  4. Esteban Guerrero, M.D.Internal Medicine Physician1790247831
  5. Alejandro Jimenez, M.D.Anesthesiology Physician1265879076
  6. Aaron MillerInternal Medicine Physician1164939161

Verify Erin Baroni in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A173100    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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81% fewer Medicare Part D claims than the average internal medicine physician in 2024

599 Medicare Part D claims for 84 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Erin Baroni599
  2. Specialty average3,176

Most prescribed

  1. Rosuvastatin Calcium33 claims
  2. Atorvastatin Calcium29 claims
  3. Levothyroxine Sodium29 claims
  4. Amlodipine Besylate25 claims
  5. Losartan Potassium23 claims
  6. Omeprazole21 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. Regents OF The University OF CaliforniaFolsom, CA

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

Erin Baroni among 17,696 internal medicine physician records in California

Erin Baroni, MD 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 2017, is newer than 81% of them.

  • NPI issued2017 · 81% of these records are older, 16% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2017 · median 2004 among the 11,065 with a school on file
  • Record last updated2024 · 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).

601 internal medicine physician records list a practice address in Sacramento

They are 601 of the 33,083 NPPES records with a practice address in Sacramento, and 17,696 internal medicine physician records in California.

All 17,696 in California → Every provider in Sacramento → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Michael Abate, MDSacramento, CA 958161548248131
  2. Jason Chang, M.D.Sacramento, CA 958161992787485
  3. Meghan Hayes, M.D.Sacramento, CA 958161851385405
  4. Lisa Ho, M.D.Sacramento, CA 958161932184108
  5. John Hosoume, M.D.Sacramento, CA 958161588649354
  6. James Jackson, MDSacramento, CA 958161508855594
  7. Ingvild Lane, MDSacramento, CA 958161831171719
  8. Scott Macdonald, MDSacramento, CA 958161518940006

Common questions

What is Erin Baroni, MD's NPI number?

Erin Baroni, MD's National Provider Identifier (NPI) is 1104355643, issued on Jun 8, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Erin Baroni, MD located?

The NPPES record lists a practice address at 3160 Folsom Blvd Ste 2500, Sacramento, CA, 95816. Phone: (916) 734-7777. Providers update this record themselves, so call before visiting.

How can I verify Erin Baroni, MD's license?

NPPES lists California license number A173100, 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 Erin Baroni, MD prescribe under Medicare Part D?

In 2024, Erin Baroni, MD had 599 Medicare Part D claims for 84 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.