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Gastroenterology

Alissa G. Speziale, MD

Works at hospitals in San Diego, CA · California

Summary

Dr. Alissa G. Speziale, MD is a gastroenterologist at 10670 Wexford St, San Diego, CA 92131. Phone: (858) 621-4002. Accepts Medicare assignment. In 2024, Alissa G. Speziale had 222 Original Medicare patients and 1,514 services. NPI 1235118597. 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: Gastroenterologist (Medicare lists Gastroenterology)
  • Address: 10670 Wexford St, San Diego, CA 92131 · Directions (1 more location)
  • Phone: (858) 621‑4002
  • Medicare: Accepts Medicare assignment
  • Hospital: Sharp Memorial Hospital
  • Group practice: Sharp Rees-Stealy Medical Group Inc
  • Medical school: Johns Hopkins University School Of Medicine · graduated 1999 (27 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Alissa G. Speziale, 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 Alissa G. Speziale accept Medicare assignment?
Yes. Medicare's clinician data says Alissa G. Speziale 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 Alissa G. Speziale see?
In 2024, CMS data shows 222 Original Medicare patients and 1,514 services for Alissa G. Speziale. This counts Original Medicare only and measures volume, not quality.
What is Alissa G. Speziale's NPI number?
1235118597. 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 Alissa G. Speziale, 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 patients222
Services billed to Medicare1,514
Different services or procedures35
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Injection, midazolam hydrochloride, per 1 mg (J2250)675 services
  2. Injection, fentanyl citrate, 0.1 mg (J3010)234 services
  3. Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes (99153)151 services
  4. Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (G0500)124 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)79 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 cholesterol67%
  • High blood pressure61%
  • Arthritis45%
  • Diabetes27%
  • Anxiety21%
  • Chronic kidney disease21%

Hospitals where Alissa G. Speziale works

Medicare's Facility Affiliation Data lists Alissa G. Speziale 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 Alissa G. Speziale is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Alissa G. Speziale as a member of this group (CMS data updated October 2, 2026).

  • Sharp Rees-Stealy Medical Group Inc884 clinicians in the group

Specialties

Find other Gastroenterology doctors in California →

Other gastroenterologists in San Diego

Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.

All gastroenterologists in San Diego →

Other clinicians in Sharp Rees-Stealy Medical Group Inc

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

Clinician information

CredentialMD
Medical schoolJohns Hopkins University School Of Medicine
Graduation year1999 (27 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1235118597
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