Michelle Simi, M.D.
NPI 1346465630 · Family Medicine Physician · Orinda, CA
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michelle Simi, M.D. is a Family Medicine Physician provider in Orinda, CA (NPI 1346465630).
Provider details
- NPI number
- 1346465630
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A55054 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 48 | 14 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 38 | — |
| Duloxetine Hcl | 30 | — |
| Fentanyl | 24 | — |
| Lorazepam | 23 | — |
| Rosuvastatin Calcium | 23 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$131 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
Registry dates
- Enumerated
- 2007-04-13
- Last updated
- 2020-08-20
- Certified
- 2020-08-20
Frequently asked questions
- What is Michelle Simi's NPI number?
- Michelle Simi's National Provider Identifier (NPI) is 1346465630, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michelle Simi's specialty?
- Michelle Simi is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michelle Simi located?
- Michelle Simi's practice location on file with NPPES is 140 Brookwood Rd Ste 200, Orinda, CA 94563-3044.
- What is Michelle Simi's phone number?
- The practice phone number listed in the NPPES registry for Michelle Simi is (925) 254-9080.
- Does Michelle Simi accept Medicare?
- Michelle Simi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michelle Simi's NPI active?
- Yes — Michelle Simi's NPI (1346465630) is active in the NPPES registry as of the last update on 2020-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.