Ritu Singhal, M.D.
NPI 1578521928 · Adult Medicine Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ritu Singhal, M.D. is a Adult Medicine Physician provider in Walnut Creek, CA (NPI 1578521928).
Provider details
- NPI number
- 1578521928
- Entity type
- Individual
- Primary specialty
- Adult Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A106935 (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
20 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 · 102 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 468 | 160 |
| Amlodipine Besylate | 378 | 126 |
| Losartan Potassium | 362 | 124 |
| Levothyroxine Sodium | 360 | 114 |
| Lisinopril | 339 | 110 |
| Atenolol | 249 | 80 |
| Famotidine | 244 | 99 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-03
- Last updated
- 2021-12-14
Frequently asked questions
- What is Ritu Singhal's NPI number?
- Ritu Singhal's National Provider Identifier (NPI) is 1578521928, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ritu Singhal's specialty?
- Ritu Singhal is listed in the NPPES registry with a primary specialty of Adult Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ritu Singhal located?
- Ritu Singhal's practice location on file with NPPES is 320 Lennon Ln, Walnut Creek, CA 94598-2419.
- What is Ritu Singhal's phone number?
- The practice phone number listed in the NPPES registry for Ritu Singhal is (925) 906-2442.
- Does Ritu Singhal accept Medicare?
- Ritu Singhal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ritu Singhal's NPI active?
- Yes — Ritu Singhal's NPI (1578521928) is active in the NPPES registry as of the last update on 2021-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.