NPPES file of Aug 9, 2026

Silvia Cristina Arizaga, MD

Geriatric Medicine (Internal Medicine) Physician · Sacramento, CA

Silvia Cristina Arizaga, MD is a geriatric medicine (internal medicine) physician with a practice address in Sacramento, California, and NPI 1710009121, issued on Apr 5, 2007. Check the license (California A055466, 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
1710009121
Name
Silvia Cristina Arizaga
Credential
MD
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License numbers
A055466 CA
30799 IA
155824 MA
9256 NV
Self-reported in NPPES; status is on the state search
Practice location
3000 Q St, Sacramento, CA 95816
Phone
(916) 733-3333
Enumerated
Apr 5, 2007
Record last updated
Feb 11, 2022
Medicare enrollment
Enrolled (PECOS I20110104000090); accepts Medicare assignment
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 3000 Q St

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

  1. James Abshire, M.D.Internal Medicine Physician1790794972
  2. Anastacia Amin, PA-CSurgical Physician Assistant1255314928
  3. Enass Arahman, M.DOccupational Medicine Physician1972657781
  4. Samir Artoul, MDCardiovascular Disease Physician1245269190
  5. Antonio Balatbat, M. D.Internal Medicine Physician1598798639
  6. Leslie Barger, M.D.Pulmonary Disease Physician1235147950

Verify Silvia Cristina Arizaga in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A055466    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

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90% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

432 Medicare Part D claims for 255 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D.

  1. Silvia Arizaga432
  2. Specialty average4,246

Most prescribed

  1. Donepezil Hcl46 claims
  2. Fluticasone Propionate30 claims
  3. Albuterol Sulfate Hfa28 claims
  4. Lisinopril16 claims
  5. Losartan Potassium16 claims
  6. Memantine Hcl15 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. Permanente Medical Group IncRoseville, CA

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

Geriatric Medicine (Internal Medicine) Physician providers in California

There are 532 geriatric medicine (internal medicine) physician records in California.

All 532 in California → Every provider in Sacramento →

Other geriatric medicine (internal medicine) physician records in California

  1. Adil Abbasi, M.D.La Jolla, CA1548261316
  2. Shashidar Acharya, M.D.Orange, CA1770685521
  3. Marie AdachiLos Angeles, CA1629496740
  4. Pouya Afshar, M.D.San Diego, CA1184958977
  5. Parag Agnihotri, M.D.San Diego, CA1447351085
  6. Andreas Ahlas, M.D.Bakersfield, CA1326200833
  7. Waseem Ahmed, MDSanta Rosa, CA1386803559
  8. Paul AisenSan Diego, CA1669470753
  9. Mahmuda Alam, M.D.Glendale, CA1568659985
  10. Cathy Alessi, M.D.North Hills, CA1134224983

Common questions

What is Silvia Cristina Arizaga, MD's NPI number?

Silvia Cristina Arizaga, MD's National Provider Identifier (NPI) is 1710009121, issued on Apr 5, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Silvia Cristina Arizaga, MD located?

The NPPES record lists a practice address at 3000 Q St, Sacramento, CA, 95816. Phone: (916) 733-3333. Providers update this record themselves, so call before visiting.

How can I verify Silvia Cristina Arizaga, MD's license?

NPPES lists California license number A055466, 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 Silvia Cristina Arizaga, MD prescribe under Medicare Part D?

In 2024, Silvia Cristina Arizaga, MD had 432 Medicare Part D claims for 255 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.