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Hand Surgery

Andrew P. Hartman, MD

Works at hospitals in Encinitas, CA · Oceanside, CA · California

Summary

Dr. Andrew P. Hartman, MD is a hand surgeon at 3905 Waring Rd, Oceanside, CA 92056. Phone: (760) 724-9000. Accepts Medicare assignment. In 2024, Andrew P. Hartman had 479 Original Medicare patients and 2,788 services. NPI 1356328355. 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 Andrew P. Hartman, 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 Andrew P. Hartman accept Medicare assignment?
Yes. Medicare's clinician data says Andrew P. Hartman 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 Andrew P. Hartman see?
In 2024, CMS data shows 479 Original Medicare patients and 2,788 services for Andrew P. Hartman. This counts Original Medicare only and measures volume, not quality.
What is Andrew P. Hartman's NPI number?
1356328355. 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 Andrew P. Hartman, 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 patients479
Services billed to Medicare2,788
Different services or procedures73
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Injection, methylprednisolone acetate, 1 mg (J1010)1,074 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)353 services
  3. X-ray of shoulder, minimum of 2 views (73030)328 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)262 services
  5. Aspiration and/or injection of fluid from large joint (20610)201 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).

  • Arthritis75%
  • High cholesterol74%
  • High blood pressure68%
  • Depression26%
  • Anxiety25%
  • Ischemic heart disease23%

Hospitals where Andrew P. Hartman works

Medicare's Facility Affiliation Data lists Andrew P. Hartman 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.

  • Scripps Memorial Hospital - EncinitasEncinitas, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050503
  • Tri-City Medical CenterOceanside, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050128

Practice locations

Addresses where Andrew P. Hartman is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Andrew P. Hartman as a member of this group (CMS data updated October 2, 2026).

  • Tri-City Orthopaedic Surgery Medical Group Inc.25 clinicians in the group

Specialties

Find other Hand Surgery doctors in California →

Other hand surgeons in California

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

All hand surgeons in California →

Other clinicians in Tri-City Orthopaedic Surgery Medical Group Inc.

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

Clinician information

CredentialMD
Graduation year1998 (28 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1356328355
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