Dorianne Spivack, M.D.
NPI 1558613687 · Internal Medicine Physician · Pasadena, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dorianne Spivack, M.D. is a Internal Medicine Physician provider in Pasadena, CA (NPI 1558613687).
Provider details
- NPI number
- 1558613687
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A123235 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 109 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 472 | 194 |
| Levothyroxine Sodium | 337 | 127 |
| Lisinopril | 261 | 108 |
| Rosuvastatin Calcium | 228 | 102 |
| Amlodipine Besylate | 206 | 85 |
| Losartan Potassium | 198 | 90 |
| Pantoprazole Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-10-12
- Last updated
- 2021-11-22
Frequently asked questions
- What is Dorianne Spivack's NPI number?
- Dorianne Spivack's National Provider Identifier (NPI) is 1558613687, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dorianne Spivack's specialty?
- Dorianne Spivack is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dorianne Spivack located?
- Dorianne Spivack's practice location on file with NPPES is 100 W California Blvd, Pasadena, CA 91105-3010.
- What is Dorianne Spivack's phone number?
- The practice phone number listed in the NPPES registry for Dorianne Spivack is (626) 397-5000.
- Does Dorianne Spivack accept Medicare?
- Dorianne Spivack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dorianne Spivack's NPI active?
- Yes — Dorianne Spivack's NPI (1558613687) is active in the NPPES registry as of the last update on 2021-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.