Amy Guigliano, M.D.
NPI 1689978496 · Family Medicine Physician · Los Gatos, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Amy Guigliano, M.D. is a Family Medicine Physician provider in Los Gatos, CA (NPI 1689978496).
Provider details
- NPI number
- 1689978496
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A113721 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
398 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 189 | $155 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 67 | $19 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 65 | $157 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 41 | $111 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 21 | $216 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 175 | 49 |
| Amlodipine Besylate | 69 | 21 |
| Levothyroxine Sodium | 66 | 15 |
| Losartan Potassium | 59 | 16 |
| Lisinopril | 55 | 14 |
| Rosuvastatin Calcium | 54 | 15 |
| Metformin Hcl |
Practice location
Mailing address
Additional practice locations (1)
- 9333 Genesee AveSuite 200San Diego, CA 92121-2111Phone: (858) 657-8600Fax: (858) 567-8625
Registry dates
- Enumerated
- 2011-01-08
- Last updated
- 2018-01-04
Frequently asked questions
- What is Amy Guigliano's NPI number?
- Amy Guigliano's National Provider Identifier (NPI) is 1689978496, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Amy Guigliano's specialty?
- Amy Guigliano is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Amy Guigliano located?
- Amy Guigliano's practice location on file with NPPES is 15400 Los Gatos Blvd, Los Gatos, CA 95032-2502.
- What is Amy Guigliano's phone number?
- The practice phone number listed in the NPPES registry for Amy Guigliano is (408) 523-3590.
- Does Amy Guigliano accept Medicare?
- Amy Guigliano is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Amy Guigliano's NPI active?
- Yes — Amy Guigliano's NPI (1689978496) is active in the NPPES registry as of the last update on 2018-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.