Susan Rapp, MD
NPI 1154409225 · Internal Medicine Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Susan Rapp, MD is a Internal Medicine Physician provider in Walnut Creek, CA (NPI 1154409225).
Provider details
- NPI number
- 1154409225
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A61074 (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 · 118 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 553 | 188 |
| Amlodipine Besylate | 421 | 145 |
| Levothyroxine Sodium | 410 | 121 |
| Losartan Potassium | 370 | 120 |
| Lisinopril | 297 | 107 |
| Atenolol | 271 | 88 |
| Famotidine | 187 | 66 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-02
- Last updated
- 2021-12-03
- Certified
- 2021-11-18
Frequently asked questions
- What is Susan Rapp's NPI number?
- Susan Rapp's National Provider Identifier (NPI) is 1154409225, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Rapp's specialty?
- Susan Rapp is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Susan Rapp located?
- Susan Rapp's practice location on file with NPPES is 320 Lennon Ln, Walnut Creek, CA 94598-2419.
- What is Susan Rapp's phone number?
- The practice phone number listed in the NPPES registry for Susan Rapp is (925) 906-2040.
- Does Susan Rapp accept Medicare?
- Susan Rapp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Susan Rapp's NPI active?
- Yes — Susan Rapp's NPI (1154409225) is active in the NPPES registry as of the last update on 2021-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.