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Geriatric Medicine

Denise R. Dahm, MD

Works at hospitals in San Antonio, TX · Texas

Summary

Dr. Denise R. Dahm, MD is a geriatrician at 903 W Martin St, San Antonio, TX 78207. Phone: (210) 358-3400. Accepts Medicare assignment. In 2024, Denise R. Dahm had 92 Original Medicare patients and 220 services. NPI 1962612028. 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: Geriatrician (Medicare lists Geriatric Medicine)
  • Address: 903 W Martin St, San Antonio, TX 78207 · Directions
  • Phone: (210) 358‑3400
  • Medicare: Accepts Medicare assignment
  • Hospital: University Health System
  • Group practice: University of Texas Health Science Center at San Antonio
  • Medical school: Washington University School Of Medicine · graduated 2005 (21 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Denise R. Dahm, 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 Denise R. Dahm accept Medicare assignment?
Yes. Medicare's clinician data says Denise R. Dahm 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 Denise R. Dahm see?
In 2024, CMS data shows 92 Original Medicare patients and 220 services for Denise R. Dahm. This counts Original Medicare only and measures volume, not quality.
What is Denise R. Dahm's NPI number?
1962612028. 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 Denise R. Dahm, 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 patients92
Services billed to Medicare220
Different services or procedures5
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)84 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)77 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)42 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%
  • Diabetes53%
  • Chronic kidney disease36%
  • Arthritis34%
  • Ischemic heart disease29%

Hospitals where Denise R. Dahm works

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

Group practices

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

  • University of Texas Health Science Center at San Antonio1,297 clinicians in the group

Specialties

Find other Geriatric Medicine doctors in Texas →

Other geriatricians in San Antonio

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

All geriatricians in San Antonio →

Other clinicians in University of Texas Health Science Center at San Antonio

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

Clinician information

CredentialMD
Medical schoolWashington University School Of Medicine
Graduation year2005 (21 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1962612028
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