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Internal Medicine

Philip J. Anderson, MD

Works at hospitals in San Antonio, TX · Texas

Summary

Dr. Philip J. Anderson, MD is an internal medicine doctor at 4502 Medical Dr, San Antonio, TX 78229. Phone: (210) 358-2015. Accepts Medicare assignment. In 2024, Philip J. Anderson had 126 Original Medicare patients and 412 services. NPI 1538665625. 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: 4502 Medical Dr, San Antonio, TX 78229 · Directions
  • Phone: (210) 358‑2015
  • Medicare: Accepts Medicare assignment
  • Hospital: University Health System
  • Group practice: Community Medicine Associates
  • Medical school: graduated 2018 (8 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Philip J. Anderson, 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 Philip J. Anderson accept Medicare assignment?
Yes. Medicare's clinician data says Philip J. Anderson 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 Philip J. Anderson see?
In 2024, CMS data shows 126 Original Medicare patients and 412 services for Philip J. Anderson. This counts Original Medicare only and measures volume, not quality.
What is Philip J. Anderson's NPI number?
1538665625. 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 Philip J. Anderson, 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 patients126
Services billed to Medicare412
Different services or procedures6
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)191 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)128 services
  3. Hospital discharge day management, more than 30 minutes (99239)64 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)24 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%
  • Diabetes57%
  • Chronic kidney disease51%
  • Arthritis50%
  • Ischemic heart disease47%

Hospitals where Philip J. Anderson works

Medicare's Facility Affiliation Data lists Philip J. Anderson 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 Philip J. Anderson is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Philip J. Anderson as a member of this group (CMS data updated October 2, 2026).

  • Community Medicine Associates605 clinicians in the group

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in San Antonio

Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.

All internal medicine doctors in San Antonio →

Other clinicians in Community Medicine Associates

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

Clinician information

CredentialMD
Graduation year2018 (8 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1538665625
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