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Internal Medicine

Benito O. Valencia Jr., MD

Works at hospitals in Fremont, CA · California

Summary

Dr. Benito O. Valencia Jr., MD is an internal medicine doctor at 39141 Civic Ctr Dr, Suite 130, Fremont, CA 94538. Phone: (510) 791-1005. Accepts Medicare assignment. In 2024, Benito O. Valencia Jr. had 163 Original Medicare patients and 1,259 services. NPI 1598825259. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 39141 Civic Ctr Dr, Suite 130, Fremont, CA 94538 · Directions (1 more location)
  • Phone: (510) 791‑1005
  • Medicare: Accepts Medicare assignment
  • Hospital: Washington Hospital
  • Group practice: Washington Township Medical Foundation
  • Medical school: graduated 1992 (34 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Benito O. Valencia Jr., joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Benito O. Valencia Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Benito O. Valencia Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Benito O. Valencia Jr. see?
In 2024, CMS data shows 163 Original Medicare patients and 1,259 services for Benito O. Valencia Jr.. This counts Original Medicare only and measures volume, not quality.
What is Benito O. Valencia Jr.'s NPI number?
1598825259. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Benito O. Valencia Jr., data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients163
Services billed to Medicare1,259
Different services or procedures31
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)371 services
  2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)264 services
  3. Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (G2212)138 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)91 services
  5. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)91 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Diabetes39%
  • Arthritis34%
  • Chronic kidney disease28%
  • Ischemic heart disease26%

Hospitals where Benito O. Valencia Jr. works

Medicare's Facility Affiliation Data lists Benito O. Valencia Jr. at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Washington HospitalFremont, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050195

Practice locations

Addresses where Benito O. Valencia Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Benito O. Valencia Jr. as a member of this group (CMS data updated October 2, 2026).

  • Washington Township Medical Foundation117 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Fremont

Clinicians with the same Medicare primary specialty in Fremont, CA — not a recommendation.

All internal medicine doctors in Fremont →

Other clinicians in Washington Township Medical Foundation

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1992 (34 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1598825259
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians