Ricardo Spielberger, MD
NPI 1841359429 · Transplant Surgery Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ricardo Spielberger, MD is a Transplant Surgery Physician provider in Los Angeles, CA (NPI 1841359429).
Provider details
- NPI number
- 1841359429
- Entity type
- Individual
- Primary specialty
- Transplant Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A51952 (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
19 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 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Acyclovir | 131 | 50 |
| Atovaquone | 76 | 28 |
| Potassium Chloride | 29 | 14 |
| Pantoprazole Sodium | 23 | 12 |
| Posaconazole | 22 | — |
| Gabapentin | 21 | — |
| Prednisone | 21 | 16 |
| Ursodiol | 20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-08
- Last updated
- 2021-11-29
Frequently asked questions
- What is Ricardo Spielberger's NPI number?
- Ricardo Spielberger's National Provider Identifier (NPI) is 1841359429, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ricardo Spielberger's specialty?
- Ricardo Spielberger is listed in the NPPES registry with a primary specialty of Transplant Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Ricardo Spielberger located?
- Ricardo Spielberger's practice location on file with NPPES is 4733 W Sunset Blvd, Los Angeles, CA 90027-6021.
- What is Ricardo Spielberger's phone number?
- The practice phone number listed in the NPPES registry for Ricardo Spielberger is (323) 783-4011.
- Does Ricardo Spielberger accept Medicare?
- Ricardo Spielberger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ricardo Spielberger's NPI active?
- Yes — Ricardo Spielberger's NPI (1841359429) is active in the NPPES registry as of the last update on 2021-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.