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Family Practice

Salla I. Hennessy, MD

Works at hospitals in Santa Cruz, CA · California

Summary

Dr. Salla I. Hennessy, MD is a family doctor at 1510 Capitola Rd, Santa Cruz, CA 95062. Phone: (831) 427-3500. Accepts Medicare assignment. In 2024, Salla I. Hennessy had 14 Original Medicare patients and 16 services. NPI 1699122077. 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: Family doctor (Medicare lists Family Practice)
  • Address: 1510 Capitola Rd, Santa Cruz, CA 95062 · Directions
  • Phone: (831) 427‑3500
  • Medicare: Accepts Medicare assignment
  • Hospital: Dominican Hospital
  • Group practice: Santa Cruz Community Health Centers
  • Medical school: University Of Pittsburgh School Of Medicine · graduated 2016 (10 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Salla I. Hennessy, 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 Salla I. Hennessy accept Medicare assignment?
Yes. Medicare's clinician data says Salla I. Hennessy 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 Salla I. Hennessy see?
In 2024, CMS data shows 14 Original Medicare patients and 16 services for Salla I. Hennessy. This counts Original Medicare only and measures volume, not quality.
What is Salla I. Hennessy's NPI number?
1699122077. 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 Salla I. Hennessy, 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 patients14
Services billed to Medicare16
Different services or procedures5
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Hemoglobin a1c level (83036)12 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%

Hospitals where Salla I. Hennessy works

Medicare's Facility Affiliation Data lists Salla I. Hennessy 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.

  • Dominican HospitalSanta Cruz, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050242

Practice locations

Addresses where Salla I. Hennessy is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Salla I. Hennessy as a member of this group (CMS data updated October 2, 2026).

  • Santa Cruz Community Health Centers16 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in Santa Cruz

Clinicians with the same Medicare primary specialty in Santa Cruz, CA — not a recommendation.

All family doctors in Santa Cruz →

Other clinicians in Santa Cruz Community Health Centers

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

Clinician information

CredentialMD
Medical schoolUniversity Of Pittsburgh School Of Medicine
Graduation year2016 (10 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1699122077
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