Lauren Ritz, M.D.
NPI 1922340504 · Student in an Organized Health Care Education/Training Program · San Francisco, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lauren Ritz, M.D. is a Student in an Organized Health Care Education/Training Program provider in San Francisco, CA (NPI 1922340504).
Provider details
- NPI number
- 1922340504
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Student, Health Care
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
83% 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 | 260 | 109 |
| Levothyroxine Sodium | 195 | 70 |
| Lisinopril | 187 | 75 |
| Losartan Potassium | 183 | 75 |
| Amlodipine Besylate | 167 | 70 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 150 | 48 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-03-21
- Last updated
- 2022-02-11
Frequently asked questions
- What is Lauren Ritz's NPI number?
- Lauren Ritz's National Provider Identifier (NPI) is 1922340504, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lauren Ritz's specialty?
- Lauren Ritz is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Lauren Ritz located?
- Lauren Ritz's practice location on file with NPPES is Ucsf Department of Surgery, San Francisco, CA 94143-0470.
- What is Lauren Ritz's phone number?
- The practice phone number listed in the NPPES registry for Lauren Ritz is (415) 476-2773.
- Does Lauren Ritz accept Medicare?
- Lauren Ritz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lauren Ritz's NPI active?
- Yes — Lauren Ritz's NPI (1922340504) is active in the NPPES registry as of the last update on 2022-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.