Alissa Speziale, M.D.
NPI 1235118597 · Gastroenterology Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alissa Speziale, M.D. is a Gastroenterology Physician provider in San Diego, CA (NPI 1235118597).
Provider details
- NPI number
- 1235118597
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A78617 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
496 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure, Each Additional 15 Minutes99153 | 151 | $13 |
| 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 MonitoG0500 | 124 | $66 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 79 | $137 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 50 | $493 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 42 | $328 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Dicyclomine Hcl | 121 | 40 |
| Omeprazole | 115 | 45 |
| Pantoprazole Sodium | 73 | 28 |
| Mesalamine | 29 | 12 |
| Linaclotidebrand: Linzess | 25 | — |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 24 | 24 |
| Ondansetronbrand: Ondansetron Odt | 22 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$400 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-13
- Last updated
- 2013-06-27
Frequently asked questions
- What is Alissa Speziale's NPI number?
- Alissa Speziale's National Provider Identifier (NPI) is 1235118597, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alissa Speziale's specialty?
- Alissa Speziale is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Alissa Speziale located?
- Alissa Speziale's practice location on file with NPPES is 2929 Health Center Dr, San Diego, CA 92123-2762.
- What is Alissa Speziale's phone number?
- The practice phone number listed in the NPPES registry for Alissa Speziale is (858) 939-6531.
- Does Alissa Speziale accept Medicare?
- Alissa Speziale is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alissa Speziale's NPI active?
- Yes — Alissa Speziale's NPI (1235118597) is active in the NPPES registry as of the last update on 2013-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.