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Physician Assistant

Justin T. Blackmon, PA

Works at hospitals in La Jolla, CA · California

Summary

Justin T. Blackmon, PA is a physician assistant at 9888 Genesee Ave, La Jolla, CA 92037. Phone: (858) 626-6150. Accepts Medicare assignment. In 2024, Justin T. Blackmon had 252 Original Medicare patients and 297 services. NPI 1699182832. 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 Justin T. Blackmon, 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 Justin T. Blackmon accept Medicare assignment?
Yes. Medicare's clinician data says Justin T. Blackmon 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 Justin T. Blackmon see?
In 2024, CMS data shows 252 Original Medicare patients and 297 services for Justin T. Blackmon. This counts Original Medicare only and measures volume, not quality.
What is Justin T. Blackmon's NPI number?
1699182832. 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 Justin T. Blackmon, 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 patients252
Services billed to Medicare297
Different services or procedures10
Participating Medicare providerYes
Average age of these patients80

Most frequent services

  1. Hospital discharge day management, more than 30 minutes (99239)184 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)49 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)23 services
  4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)17 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%
  • Arthritis63%
  • Ischemic heart disease52%
  • Chronic kidney disease41%
  • Atrial fibrillation40%

Hospitals where Justin T. Blackmon works

Medicare's Facility Affiliation Data lists Justin T. Blackmon 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 Justin T. Blackmon is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Justin T. Blackmon as a member of this group (CMS data updated October 2, 2026).

  • La Jolla Observation Medicine25 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, California →

Other physician assistants in La Jolla

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

All physician assistants in La Jolla →

Other clinicians in La Jolla Observation Medicine

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

Clinician information

CredentialPA
Graduation year2014
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1699182832
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