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

Family Practice

Bradley S. Blankenship, MD

Works at hospitals in Sonora, CA · Turlock, CA · Modesto, CA · California

Summary

Dr. Bradley S. Blankenship, MD is a family doctor at 1262 E N St, Suite 100, Manteca, CA 95336. Phone: (209) 823-7646. Accepts Medicare assignment. In 2024, Bradley S. Blankenship had 297 Original Medicare patients and 802 services. NPI 1619923810. 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 Bradley S. Blankenship, 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 Bradley S. Blankenship accept Medicare assignment?
Yes. Medicare's clinician data says Bradley S. Blankenship 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 Bradley S. Blankenship see?
In 2024, CMS data shows 297 Original Medicare patients and 802 services for Bradley S. Blankenship. This counts Original Medicare only and measures volume, not quality.
What is Bradley S. Blankenship's NPI number?
1619923810. 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 Bradley S. Blankenship, 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 patients297
Services billed to Medicare802
Different services or procedures28
Participating Medicare providerYes
Average age of these patients73

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)221 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)151 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)116 services
  4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)33 services
  5. Administration of influenza virus vaccine (G0008)29 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 cholesterol75%
  • High blood pressure69%
  • Arthritis40%
  • Diabetes26%
  • Chronic kidney disease21%
  • Ischemic heart disease16%

Hospitals where Bradley S. Blankenship works

Medicare's Facility Affiliation Data lists Bradley S. Blankenship 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.

  • Adventist Health SonoraSonora, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 050335
  • Emanuel Medical CenterTurlock, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050179
  • Memorial Medical CenterModesto, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050557

Practice locations

Addresses where Bradley S. Blankenship is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Bradley S. Blankenship as a member of this group (CMS data updated October 2, 2026).

  • Shane Speirs MD PC13 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in Manteca

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

All family doctors in Manteca →

Other clinicians in Shane Speirs MD PC

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

Clinician information

CredentialMD
Medical schoolSaint Louis University School Of Medicine
Graduation year1991 (35 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1619923810
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