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Neurosurgery

Duncan K. Fischer, MD

Works at hospitals in San Angelo, TX · Texas

Summary

Dr. Duncan K. Fischer, MD is a neurosurgeon at 3515 Executive Dr, San Angelo, TX 76904. Phone: (325) 947-2525. Accepts Medicare assignment. In 2024, Duncan K. Fischer had 69 Original Medicare patients and 2,994 services. NPI 1952372385. 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: Neurosurgeon (Medicare lists Neurosurgery)
  • Address: 3515 Executive Dr, San Angelo, TX 76904 · Directions (1 more location)
  • Phone: (325) 947‑2525
  • Medicare: Accepts Medicare assignment
  • Hospital: Shannon Medical Center
  • Group practice: The West Texas Rehabilitation Center
  • Medical school: Yale University School Of Medicine · graduated 1986 (40 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Duncan K. Fischer, 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 Duncan K. Fischer accept Medicare assignment?
Yes. Medicare's clinician data says Duncan K. Fischer 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 Duncan K. Fischer see?
In 2024, CMS data shows 69 Original Medicare patients and 2,994 services for Duncan K. Fischer. This counts Original Medicare only and measures volume, not quality.
What is Duncan K. Fischer's NPI number?
1952372385. 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 Duncan K. Fischer, 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 patients69
Services billed to Medicare2,994
Different services or procedures17
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Injection, methylprednisolone acetate, 1 mg (J1010)2,702 services
  2. Injection, dexamethasone sodium phosphate, 1 mg (J1100)63 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)62 services
  4. Injection of substance into lower spine canal (62322)46 services
  5. Injection, methylprednisolone acetate, 80 mg (J1040)28 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%
  • Arthritis75%
  • Ischemic heart disease35%
  • Diabetes32%
  • Anxiety20%

Hospitals where Duncan K. Fischer works

Medicare's Facility Affiliation Data lists Duncan K. Fischer 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 Duncan K. Fischer is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Duncan K. Fischer as a member of this group (CMS data updated October 2, 2026).

  • The West Texas Rehabilitation Center466 clinicians in the group

Specialties

Find other Neurosurgery doctors in Texas →

Other neurosurgeons in San Angelo

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

All neurosurgeons in San Angelo →

Other clinicians in The West Texas Rehabilitation Center

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

Clinician information

CredentialMD
Medical schoolYale University School Of Medicine
Graduation year1986 (40 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1952372385
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