Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Orthopedic Surgery

Charles H. Black Iv, DO

Works at hospitals in Carlsbad, NM · Gallup, NM · Wilmington, NC … · New Mexico, North Carolina, California

Summary

Dr. Charles H. Black Iv, DO is an orthopedic surgeon at 2402 W Pierce St, Carlsbad, NM 88220. Phone: (575) 885-0995. Accepts Medicare assignment. In 2024, Charles H. Black Iv had 120 Original Medicare patients and 1,911 services. NPI 1790988087. 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 Charles H. Black Iv, 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 Charles H. Black Iv accept Medicare assignment?
Yes. Medicare's clinician data says Charles H. Black Iv 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 Charles H. Black Iv see?
In 2024, CMS data shows 120 Original Medicare patients and 1,911 services for Charles H. Black Iv. This counts Original Medicare only and measures volume, not quality.
What is Charles H. Black Iv's NPI number?
1790988087. 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 Charles H. Black Iv, 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 patients120
Services billed to Medicare1,911
Different services or procedures65
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Injection, methylprednisolone acetate, 1 mg (J1010)1,320 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)90 services
  3. X-ray of knee, 1-2 views (73560)39 services
  4. X-ray of hip, 2-3 views (73502)35 services
  5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)21 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%
  • Diabetes48%
  • Depression38%
  • Anxiety34%

Hospitals where Charles H. Black Iv works

Medicare's Facility Affiliation Data lists Charles H. Black Iv 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 Charles H. Black Iv is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Charles H. Black Iv as a member of these groups (CMS data updated October 2, 2026).

  • Acute Care Surgery Medical Group Inc204 clinicians in the group
  • DHHS, PHS, Naihs, Gallup Indian Medical Center186 clinicians in the group
  • Pecos Valley of New Mexico LLC34 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in New Mexico →

Other orthopedic surgeons in New Mexico

Clinicians with the same Medicare primary specialty in New Mexico — not a recommendation.

All orthopedic surgeons in New Mexico →

Other clinicians in Acute Care Surgery Medical Group Inc

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

Clinician information

CredentialDO
Graduation year2006 (20 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1790988087
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