Sherna Madan, MD
NPI 1134242753 · Specialist · Redwood City, CA
Sherna Madan, MD is a Specialist provider in Redwood City, CA (NPI 1134242753).
Provider details
- NPI number
- 1134242753
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G43846 (CA)
Specialties & taxonomies
Other Service Providers
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
2 documented practice locations
- 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 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 216 | 55 |
| Ezetimibe | 168 | 49 |
| Progesterone, Micronizedbrand: Progesterone | 111 | 31 |
| Metformin Hclbrand: Metformin Hcl Er | 104 | 33 |
| Levothyroxine Sodium | 98 | 24 |
| Telmisartan | 84 | 26 |
| Gabapentin | 83 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$520 across 21 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)
- 1100 Laurel StSuite BSan Carlos, CA 94070-5000Phone: (650) 631-6800Fax: (650) 631-6801
Registry dates
- Enumerated
- 2007-04-09
- Last updated
- 2020-01-22
- Certified
- 2020-01-22
Frequently asked questions
- What is Sherna Madan's NPI number?
- Sherna Madan's National Provider Identifier (NPI) is 1134242753, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sherna Madan's specialty?
- Sherna Madan is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Sherna Madan located?
- Sherna Madan's practice location on file with NPPES is 39 Birch St Ste C, Redwood City, CA 94062-1483.
- What is Sherna Madan's phone number?
- The practice phone number listed in the NPPES registry for Sherna Madan is (650) 631-6800.
- Is Sherna Madan's NPI active?
- Yes — Sherna Madan's NPI (1134242753) is active in the NPPES registry as of the last update on 2020-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.