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Hematology/Oncology

Erick W. Hjortsvang, MD

Works at hospitals in San Luis Obispo, CA · Santa Maria, CA · California

Summary

Dr. Erick W. Hjortsvang, MD is a hematologist-oncologist at 584 Camino Mercado, Arroyo Grande, CA 93420. Phone: (805) 474-9143. Accepts Medicare assignment. In 2024, Erick W. Hjortsvang had 224 Original Medicare patients and 47,811 services. NPI 1275611857. 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 Erick W. Hjortsvang, 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 Erick W. Hjortsvang accept Medicare assignment?
Yes. Medicare's clinician data says Erick W. Hjortsvang 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 Erick W. Hjortsvang see?
In 2024, CMS data shows 224 Original Medicare patients and 47,811 services for Erick W. Hjortsvang. This counts Original Medicare only and measures volume, not quality.
What is Erick W. Hjortsvang's NPI number?
1275611857. 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 Erick W. Hjortsvang, 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 patients224
Services billed to Medicare47,811
Different services or procedures85
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)719 services
  2. Injection, dexamethasone sodium phosphate, 1 mg (J1100)607 services
  3. Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (99211)200 services
  4. Administration of chemotherapy into vein, 1 hour or less (96413)158 services
  5. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)144 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 cholesterol72%
  • Arthritis50%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)50%
  • Chronic kidney disease29%
  • Diabetes26%

Hospitals where Erick W. Hjortsvang works

Medicare's Facility Affiliation Data lists Erick W. Hjortsvang 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 Erick W. Hjortsvang is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Erick W. Hjortsvang as a member of this group (CMS data updated October 2, 2026).

  • PCR Oncology Inc2 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in California →

Other hematologist-oncologists in California

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

All hematologist-oncologists in California →

Other clinicians in PCR Oncology Inc

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

Clinician information

CredentialMD
Graduation year1999 (27 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1275611857
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