Dianne Storey, MD
NPI 1740372259 · Internal Medicine Physician · Los Altos, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dianne Storey, MD is a Internal Medicine Physician provider in Los Altos, CA (NPI 1740372259).
Provider details
- NPI number
- 1740372259
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G84044 (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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
475 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) |
|---|---|---|
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 162 | $157 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 120 | $155 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 61 | $111 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 49 | $216 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 31 | $70 |
| Administration of Influenza Virus Vaccine |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 169 | 36 |
| Atorvastatin Calcium | 155 | 40 |
| Hydrochlorothiazide | 139 | 34 |
| Simvastatin | 136 | 34 |
| Amlodipine Besylate | 134 | 35 |
| Losartan Potassium | 83 | 23 |
| Rosuvastatin Calcium | 73 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-29
- Last updated
- 2020-03-04
- Certified
- 2020-03-04
Frequently asked questions
- What is Dianne Storey's NPI number?
- Dianne Storey's National Provider Identifier (NPI) is 1740372259, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dianne Storey's specialty?
- Dianne Storey is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dianne Storey located?
- Dianne Storey's practice location on file with NPPES is 370 Distel Cir, Los Altos, CA 94022-1404.
- What is Dianne Storey's phone number?
- The practice phone number listed in the NPPES registry for Dianne Storey is (650) 254-5200.
- Does Dianne Storey accept Medicare?
- Dianne Storey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dianne Storey's NPI active?
- Yes — Dianne Storey's NPI (1740372259) is active in the NPPES registry as of the last update on 2020-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.