NPPES file of Aug 9, 2026

Andres Alberto Arellano, M.D.

Internal Medicine Physician · Oakdale, CA

Andres Alberto Arellano, M.D. is an internal medicine physician with a practice address in Oakdale, California, and NPI 1306917430, issued on Nov 12, 2006. Check the license (California A51229, 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
1306917430
Name
Andres Alberto Arellano
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A51229 CA
Self-reported in NPPES; status is on the state search
Practice location
1425 W H St, Oakdale, CA 95361
Phone
(209) 847-1596
Enumerated
Nov 12, 2006
Record last updated
Dec 28, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(209) 847-4595
Medicaid ID
00A512290 CA
Medicare enrollment
Enrolled (PECOS I20070913000566); 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 1425 W H St

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

  1. Upinder Basi, MDInternal Medicine Physician1891782009
  2. Krystyna Belski, M.D.Pediatrics Physician1366478414
  3. Bruce Blackhart, M.D.Family Medicine Physician1700874286
  4. Mark Cook, M.D.Family Medicine Physician1750379236
  5. Rebecca Day, PA - FNPFamily Nurse Practitioner1740292739
  6. Albert Gelders, M.D.Family Medicine Physician1417945999

Verify Andres Alberto Arellano in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A51229
    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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2.8 times the Medicare Part D claims of the average internal medicine physician in 2024

8,852 Medicare Part D claims for 475 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 383 claims were for opioids.

  1. Andres Arellano8,852
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium738 claims
  2. Amlodipine Besylate311 claims
  3. Metformin Hcl303 claims
  4. Levothyroxine Sodium278 claims
  5. Losartan Potassium239 claims
  6. Gabapentin225 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.

Industry payments in 2024: $14.96

1 payment: food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Andres Arellano$14.96
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

7 internal medicine physician records list a practice address in Oakdale

They are 7 of the 207 NPPES records with a practice address in Oakdale, and 17,696 internal medicine physician records in California.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Andres Alberto Arellano, M.D.'s NPI number?

Andres Alberto Arellano, M.D.'s National Provider Identifier (NPI) is 1306917430, issued on Nov 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Andres Alberto Arellano, M.D. located?

The NPPES record lists a practice address at 1425 W H St, Oakdale, CA, 95361. Phone: (209) 847-1596. Providers update this record themselves, so call before visiting.

How can I verify Andres Alberto Arellano, M.D.'s license?

NPPES lists California license number A51229, 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 Andres Alberto Arellano, M.D. prescribe under Medicare Part D?

In 2024, Andres Alberto Arellano, M.D. had 8,852 Medicare Part D claims for 475 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.