Wendy Siemion, MD
NPI 1720309461 · Internal Medicine Physician · Indianapolis, IN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wendy Siemion, MD is a Internal Medicine Physician provider in Indianapolis, IN (NPI 1720309461).
Provider details
- NPI number
- 1720309461
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 01072470A (IN)
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 tenure38% of score
16 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-06-17
- Last updated
- 2022-02-01
- Certified
- 2022-02-01
Frequently asked questions
- What is Wendy Siemion's NPI number?
- Wendy Siemion's National Provider Identifier (NPI) is 1720309461, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wendy Siemion's specialty?
- Wendy Siemion is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Wendy Siemion located?
- Wendy Siemion's practice location on file with NPPES is 1481 W 10th St, Indianapolis, IN 46202-2803.
- What is Wendy Siemion's phone number?
- The practice phone number listed in the NPPES registry for Wendy Siemion is (317) 988-9424.
- Does Wendy Siemion accept Medicare?
- Wendy Siemion is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wendy Siemion's NPI active?
- Yes — Wendy Siemion's NPI (1720309461) is active in the NPPES registry as of the last update on 2022-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.