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Internal Medicine

Diana R. Bryant, MD

Works at hospitals in Garden Grove, CA · Long Beach, CA · California

Summary

Dr. Diana R. Bryant, MD is an internal medicine doctor at 1760 Termino Ave, Suite 300, Long Beach, CA 90804. Phone: (562) 961-9991. Accepts Medicare assignment. In 2024, Diana R. Bryant had 181 Original Medicare patients and 1,007 services. NPI 1255425146. 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 Diana R. Bryant, 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 Diana R. Bryant accept Medicare assignment?
Yes. Medicare's clinician data says Diana R. Bryant 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 Diana R. Bryant see?
In 2024, CMS data shows 181 Original Medicare patients and 1,007 services for Diana R. Bryant. This counts Original Medicare only and measures volume, not quality.
What is Diana R. Bryant's NPI number?
1255425146. 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 Diana R. Bryant, 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 patients181
Services billed to Medicare1,007
Different services or procedures27
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)217 services
  2. Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes (99458)172 services
  3. Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (99454)161 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)155 services
  5. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)84 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 cholesterol64%
  • Arthritis43%
  • Chronic kidney disease39%
  • Depression27%
  • Ischemic heart disease25%

Hospitals where Diana R. Bryant works

Medicare's Facility Affiliation Data lists Diana R. Bryant 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 Diana R. Bryant is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Diana R. Bryant as a member of this group (CMS data updated October 2, 2026).

  • Prohealth Partners, a Medical Group239 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Long Beach

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

All internal medicine doctors in Long Beach →

Other clinicians in Prohealth Partners, a Medical Group

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

Clinician information

CredentialMD
Medical schoolUniversity Of California, Davis School Of Medicine
Graduation year1986 (40 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1255425146
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