Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Family Practice

Ben L. Littlejohn Iii, MD

Works at hospitals in Oakland, CA · Berkeley, CA · California

Summary

Dr. Ben L. Littlejohn Iii, MD is a family doctor at 5855 Doyle St, Suite 110, Emeryville, CA 94608. Phone: (510) 529-3800. Accepts Medicare assignment. In 2024, Ben L. Littlejohn Iii had 82 Original Medicare patients and 286 services. NPI 1467469924. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Ben L. Littlejohn Iii, 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 Ben L. Littlejohn Iii accept Medicare assignment?
Yes. Medicare's clinician data says Ben L. Littlejohn Iii 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 Ben L. Littlejohn Iii see?
In 2024, CMS data shows 82 Original Medicare patients and 286 services for Ben L. Littlejohn Iii. This counts Original Medicare only and measures volume, not quality.
What is Ben L. Littlejohn Iii's NPI number?
1467469924. 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 Ben L. Littlejohn Iii, 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 patients82
Services billed to Medicare286
Different services or procedures16
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)140 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)58 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)20 services
  4. Annual depression screening, 5 to 15 minutes (G0444)11 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 cholesterol60%
  • High blood pressure54%
  • Arthritis23%
  • Diabetes22%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)18%
  • Anxiety17%

Hospitals where Ben L. Littlejohn Iii works

Medicare's Facility Affiliation Data lists Ben L. Littlejohn Iii 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.

Practice locations

Addresses where Ben L. Littlejohn Iii is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Family Practice doctors in California →

Other family doctors in Emeryville

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

All family doctors in Emeryville →

Clinician information

CredentialMD
Medical schoolUniversity Of California, Geffen School Of Medicine
Graduation year2002 (24 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1467469924
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