Steven Rittenberg, MD
NPI 1851455893 · Adolescent Medicine (Internal Medicine) Physician · Bellevue, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Rittenberg, MD is a Adolescent Medicine (Internal Medicine) Physician provider in Bellevue, WA (NPI 1851455893).
Provider details
- NPI number
- 1851455893
- Entity type
- Individual
- Primary specialty
- Adolescent Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00033053 (WA)
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 · 79 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 258 | 123 |
| Rosuvastatin Calcium | 141 | 66 |
| Lisinopril | 137 | 65 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 120 | 76 |
| Amlodipine Besylate | 117 | 54 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 110 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-21
- Last updated
- 2023-09-28
Frequently asked questions
- What is Steven Rittenberg's NPI number?
- Steven Rittenberg's National Provider Identifier (NPI) is 1851455893, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Rittenberg's specialty?
- Steven Rittenberg is listed in the NPPES registry with a primary specialty of Adolescent Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Rittenberg located?
- Steven Rittenberg's practice location on file with NPPES is 12917 Se 38th St, Bellevue, WA 98006-1349.
- What is Steven Rittenberg's phone number?
- The practice phone number listed in the NPPES registry for Steven Rittenberg is (425) 641-4000.
- Does Steven Rittenberg accept Medicare?
- Steven Rittenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Rittenberg's NPI active?
- Yes — Steven Rittenberg's NPI (1851455893) is active in the NPPES registry as of the last update on 2023-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.