Sarah Rettinger, MD
NPI 1366691842 · Endocrinology, Diabetes & Metabolism Physician · Santa Monica, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sarah Rettinger, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Santa Monica, CA (NPI 1366691842).
Provider details
- NPI number
- 1366691842
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A88064 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,024 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 473 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 444 | $139 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 37 | $236 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 27 | $195 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 26 | $36 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 284 | 89 |
| Levothyroxine Sodiumbrand: Synthroid | 158 | 44 |
| Tirzepatidebrand: Mounjaro | 143 | 23 |
| Semaglutidebrand: Ozempic | 95 | 22 |
| Metformin Hclbrand: Metformin Hcl Er | 84 | 26 |
| Alendronate Sodium | 74 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$40 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 2125 Arizona AveSanta Monica, CA 90404-1337Phone: (310) 829-8751Fax: (310) 315-6113
Registry dates
- Enumerated
- 2008-09-09
- Last updated
- 2021-04-19
- Certified
- 2021-04-19
Frequently asked questions
- What is Sarah Rettinger's NPI number?
- Sarah Rettinger's National Provider Identifier (NPI) is 1366691842, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Rettinger's specialty?
- Sarah Rettinger is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Sarah Rettinger located?
- Sarah Rettinger's practice location on file with NPPES is 1831 Wilshire Blvd Ste a, Santa Monica, CA 90403-5778.
- What is Sarah Rettinger's phone number?
- The practice phone number listed in the NPPES registry for Sarah Rettinger is (310) 829-8584.
- Does Sarah Rettinger accept Medicare?
- Sarah Rettinger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sarah Rettinger's NPI active?
- Yes — Sarah Rettinger's NPI (1366691842) is active in the NPPES registry as of the last update on 2021-04-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.